Most Popular Types of Metals and Their Uses

Metal products support nearly every aspect of industrial fabrication, construction, and manufacturing. Knowing how to identify different types of metals, their properties, and how they’re used helps buyers order the right material for the job. McKnight Steel & Tube Co. stocks a broad range of metals and alloys used across industrial applications, making it easier to source what your project requires.

What Are Metals and Their Key Properties?

Metals are elements or alloys that conduct heat and electricity, resist deformation under force, and can be formed into useful shapes. Properties of metal that are important in industrial settings include:

• Strength
• Ductility
• Corrosion resistance
• Weldability
• Compliance with ASTM/ASMA standards

These measurable properties determine the types and uses of metals in specific environments.

Most Popular Types of Metals

Below are some common metals and their uses based on what we stock.

Carbon Steel

Carbon steel is one of the most widely used types of metals in industrial applications. It is an alloy of iron and carbon, valued for its strength and cost-effectiveness. Common uses of carbon steel include structural framing, supports, general fabrication, and mechanical components that require high strength. This metal is often specified under ASTM A36, A500, and similar standards.

We carry carbon steel in various forms:

• Carbon steel pipe for fluid, gas, and structural use
• Carbon steel square tubing for frames, supports, and machinery
• Structural shapes like angles and channels

Galvanized Steel

Galvanized steel is carbon steel coated with zinc to resist corrosion. The galvanizing process extends the metal’s service life compared to bare carbon steel while maintaining its mechanical properties.

We stock galvanized steel tubing for projects where corrosion resistance is needed, but stainless steel is not required. Examples include structural frameworks, outdoor supports, HVAC equipment, fencing systems, and general fabrication.

Stainless Steel

Stainless steel is often selected for its corrosion resistance, making it suitable for environments with moisture or chemicals. We commonly stock grades like 304 and 316, which are used in chemical processing, food-handling equipment, pharmaceutical plants, exterior architectural elements, marine applications, and anywhere corrosion resistance is required.

We supply:

• Stainless steel pipe
• Stainless steel tube (round, square, and rectangular)
• Stainless hollow bar

Aluminum

Aluminum is lightweight and corrosion-resistant, making it useful in demanding environments where reduced weight is important. Typical uses include automotive components, heat exchangers, lightweight structures, and architectural applications. Aluminum may conform to ASTM B221 and similar specifications.

Aluminum products available from McKnight Steel & Tube Co. include:

• Aluminum extruded seamless tubing
• Drawn aluminum tubing

Specialty Metals

Some projects require metals with unique properties, such as increased hardness or wear resistance. We offer nickel alloys for high-temperature or corrosive environments and chrome bars for tooling and wear applications. Specifications are critical with these materials to ensure they perform as expected in demanding applications.

Common Applications Across Industries

Understanding how popular metals for industrial applications are used helps you see where each material fits:

• Construction: Structural carbon steel shapes, tubing, and pipe form the backbone of buildings, bridges, and supports.
• Manufacturing: Stainless steel and aluminum are used in jigs, fixtures, tooling frames, and machine components.
• Automotive and aerospace: Lightweight aluminum and precision tubing help meet performance and efficiency specifications.
• Oil and gas: Carbon steel and specific alloys are often selected for pipelines and pressure systems to conform to pressure vessel standards.
• Food and beverage processing: Stainless grades that meet hygienic standards are used for conveyors, tanks, and piping.

How to Choose the Right Metal for Your Needs

Here’s what to consider before requesting metal from a supplier:

• Application requirements: Will the metal be exposed to weather, chemicals, high loads, or extreme temperatures? Not all metal types are intended for these uses.
• Specifications and standards: Confirm the required ASTM/ASME designations, material grade, and dimensional tolerances.
• Mechanical properties: Know the strength, ductility, hardness, and weldability required for the part or structure.
• Size and shape: Different shapes are suited to particular fabrication or structural uses. We stock tubing, pipe, bar, rod, angle, channel, beam, and plate.
• Lead time and availability: Choosing a metal supplier with products in stock and ready to ship speeds up your project. Our extensive inventory means in stock orders are ready to ship.

We’re Ready to Support Your Metal Needs

Metal purchasing doesn’t have to be complicated when you work with the right supplier. If you’re unsure which metal types and uses best fit your project, McKnight Steel & Tube Co. would be happy to help. We’re a family-owned, wholesale distributor, with a wide range of tubing, pipe, and other metal products in stock. Fast delivery options within 120 miles of Philadelphia and free shipping across the U.S. streamline your metal procurement efforts. Contact us today for more information or to request a quote.

Different Types of Structural Steel

Structural steel is the backbone of modern construction. From warehouses to bridges, this advanced material supports loads, spans distances, and forms the structural framework of high-rise buildings. For buyers, the challenge is choosing the right option based on specifications, availability, and budget. Learn about the different types of structural steel and how to choose the right product for your build.

What Makes Structural Steel Unique?

Structural steel is designed to carry loads. Unlike decorative or sheet steel, it is produced and tested to meet specific mechanical properties, including yield strength, tensile strength, and ductility. These properties are defined by ASTM standards, which allow engineers and fabricators to specify material confidently.

Most structural steel in the U.S. follows ASTM specifications, including A36, A572, and A992. These standards define chemical composition and performance thresholds, crucial considerations when structural safety and performance are on the line. Steel that does not meet spec can cause delays, rework, or rejection upon delivery. For this reason, sourcing from a reliable structural steel supplier is as important as choosing the right grade.

Main Structural Steel Types

Structural steel is categorized by grade, each serving a different purpose based on strength, weldability, and application needs.

• Carbon steel: Carbon steel offers predictable performance and is widely used in tubing, beams, columns, and plates. ASTM A36 is frequently specified because it meets standard strength requirements for general structural applications.
• High-strength low-alloy steel (HSLA): This type of steel provides higher strength with less material. ASTM A572 is a common grade that reduces weight without sacrificing performance, which is useful in large spans or tall structures.
• Quenched and tempered steel: This type of structural steel offers very high strength and is often used in heavy equipment and specialized structural applications. ASTM A514 is a typical example.
• Weathering steel: ASTM A588 is designed to form a stable rust-like patina. It is often specified for outdoor structures where painting is not desired.

Shapes and Forms of Structural Steel

Grades define performance, while shapes define how steel is used in a structure. Structural steel may be rolled or formed into standard profiles to handle specific loads.

• I-beams and wide flange beams: These are used for horizontal support. Their shape allows them to withstand bending loads efficiently, making them common in floors and roofs.
• Angles and channels: Often used for bracing, frames, and support members, angles work well where two planes meet, while channels provide stiffness in one direction.
• Hollow structural sections (HSS): Structural tubing is available in square, rectangular, and round profiles. They are commonly specified for columns, frames, and bracing due to their uniform strength and consistent wall thickness.
• Plates and bars: Plates are used for base plates, gussets, and connections. Bars are often cut and machined for custom components.

Applications for Structural Steel

The types of structural steel you might choose for your project depend on the load requirements, environment, and fabrication needs.

• Commercial buildings: Wide-flange beams and HSS are common due to predictable loads and standardized designs.
• Industrial facilities: Heavier grades and thicker sections support equipment, cranes, and vibration loads.
• Bridges and infrastructure: HSLA and weathering steels are often specified for strength and durability in exposed environments.
• Warehouses and distribution centers: Long spans and open floor plans often call for a mix of steel beams, joists, and tubing.

How to Choose the Right Structural Steel

Choosing the right material requires matching the specs to the job. A thorough approach helps reduce delays and material returns.

• Confirm ASTM requirements: Project documents usually specify the exact grade. Always match the material to the drawing notes.
• Consider load and span: Higher-strength grades may reduce weight or section size, which affects cost and fabrication.
• Account for the environment: Outdoor or corrosive settings may require weathering steel or coatings.
• Check availability: Not all grades and shapes are readily available. Work with structural steel suppliers that keep a range of products in stock to shorten lead times.
• Plan for fabrication: Weldability and cutting requirements vary by grade. Account for this when estimating shop time and field work.

Partner with a Reliable Structural Steel Supplier

Structural steel decisions demand accuracy, availability, and support. McKnight Steel & Tube Co. has operated since 1954 as a family-owned, wholesale distributor of tubing, pipe, and other metal products. We stock a wide range of structural steel tubing. We also offer value-added processing, including angles, channels, and related components, so you can source more of your order with a single supplier. We deliver within 120 miles of Philadelphia and ship nationwide by common carrier at no extra cost. Contact us today to discuss your requirements or request a quote online.

Steel Supply Chain Management: How Contractors Can Prevent Project Setbacks

Preventing Delays in the Steel Supply Chain

Steel creates the framework for countless construction projects. Whether framing a commercial building, erecting a bridge, or installing other structural elements, contractors depend on the timely delivery of steel products that meet required specifications. When the supply chain stumbles, setbacks ripple through your schedule and budget, ultimately impacting you. Consider good practices and partnerships that can mitigate project setbacks.

Steel Supply Chain Management for Contractors

The steel supply chain encompasses each step the metal takes from raw material to finished product. This includes mill production, processing, quality checks, sales to distributors, logistics, and delivery. As a contractor, you deal with this chain when you specify steel, order it, have it processed or adjusted, and receive it on-site. Steel supply chain management involves controlling these steps to ensure you receive what you need, when you need it, and in the right condition.

Good supply chain management involves the following:

• Choosing reliable suppliers who stock or obtain material quickly and offer processing services.
• Material test reports or certificates of conformity tied to ASTM or ASME specifications.
• Building redundancy in suppliers, so you aren’t forced to depend on a single source.
• Understanding your project’s demands so your orders align with your needs.

How Supply Chain Disruptions Impact Construction Projects

When the steel supply chain drops the ball, your project may suffer:

• Logistics obstacles: Truck shortages, port delays, or regional constraints can mean materials arrive late.
• Supplier disruptions: If your supplier’s mill faces a raw material shortage, your order might be delayed for weeks, leaving you scrambling to find an alternate supplier at a higher cost.
• Project delays: A missing component creates a domino effect of delays, leading to idle crews and pushed-back deadlines.
• Cost overruns: Paying for last-minute rush orders or expedited shipping eats into your profit.
• Out-of-spec material: Steel that fails to meet specifications results in returns, rework, or failure during inspection.
• Inventory mismanagement: Holding too much steel ties up capital and storage space. Having too little on hand risks running out of stock.

Proactive Strategies for Contractors to Prevent Setbacks

Rather than being reactive, follow these proactive strategies to make your steel supply chain more resilient:

• Engage suppliers early: Select a steel partner during the design or early procurement phase.
• Leverage value-added processing: Work with a supplier who can deliver steel that is already cut, deburred, or otherwise processed to reduce in-field labor and minimize your exposure to mistakes.
• Use multiple qualified suppliers: Don’t rely on one supplier or mill. Maintain a network of vetted stainless steel chain suppliers and service centers. If one can’t deliver, another can cover part or all of the order.
• Lock in orders with firm specs: Before fabrication begins, send drawings, specifications, and tolerances to the supplier so they can flag issues, lock in lead times, or reserve inventory. The earlier you place your order, the more lead-time cushion you build.
• Require certification and testing: Request that all steel arrive with material test reports or certificates verifying conformance to ASTM or ASME standards. Ensuring everyone is on the same page regarding the importance of your specifications is the key to avoid rework or returns.
• Implement just-in-time or staged delivery: Instead of receiving all your steel at once, schedule deliveries to coincide with your installation phases. This reduces storage mishandling and risks while maintaining a flexible schedule.
• Monitor and forecast demand: Use data from past projects to forecast your steel needs. Maintain buffer stock for long-lead or specialty items. Track market trends, lead times, and mill schedules, so you’re not caught off guard.

Strengthen Your Project with McKnight Steel & Tube Co.

McKnight Steel & Tube Co. is a family-owned metal supplier that has been in operation since 1954. As an in-stock wholesale distributor of tubing, pipe, and other metal products, we’re confident we can get you what you need, on-time and on budget. We offer value-added processing and fulfill your order to ASTM/ASME standards, accompanied by material test reports.

Our trucks deliver within 120 miles of our location in Philadelphia, PA, and we ship via common carrier across the United States. We maintain strong relationships in the steel industry. For reliable steel production supply chain support, please request a quote or contact us today to review your next project’s needs.

Alloy Steel vs Stainless Steel: Which Is Better for Your Project?

Choosing the right type of steel directly impacts the success of your project, whether you’re constructing a building, designing machinery, or sourcing materials for fabrication. Alloy steel and stainless steel are two popular options, each with specific benefits and applications. Understanding their differences can help you make informed decisions that meet your project’s exact requirements. Below, we’ll compare these two metals, their types, and the factors to consider when selecting the ideal solution for your project.

What Are Alloy Steel and Stainless Steel?

Both alloy steel and stainless steel belong to the larger family of steel but differ in composition and properties.

• Alloy Steel is carbon steel mixed with additional elements like manganese, nickel, chromium, and molybdenum. These additions enhance its strength, toughness, and resistance to wear and fatigue. It is commonly used for heavy-duty applications like pipelines, machinery parts, and automotive components.

• Stainless Steel is steel that contains at least 10.5% chromium, giving it excellent corrosion resistance. Used in environments prone to moisture or chemicals, stainless steel is ideal for food processing, medical devices, and construction.

Understanding the basics of each type can guide your selection and guarantee the material meets your engineering or industrial needs. Discover the rich history and unparalleled expertise of McKnight Steel.

Why It’s Important to Choose the Right Steel

The success and safety of your project heavily relies on selecting the right material for specific applications. Choosing incorrectly can lead to material failure, reduced performance, or higher costs. Here are some key points to consider:

• Project requirements may demand specific grades or tolerances of steel.

• Environmental conditions, such as exposure to moisture or extreme temperatures, should guide material choice.

• Performance, including strength or resistance to corrosion, depends largely on steel type.

At McKnight Steel & Tube Co., we understand these needs and stock a broad range of alloy and stainless steel to help meet your exact specifications. With fast delivery times across Warminster and Philadelphia, our team keeps your project on schedule.

Explore our extensive inventory to help you plan for your next project with ease.

Types of Steel to Know About

Both alloy steel and stainless steel come in different forms designed for specific purposes.

Types of Alloy Steel

1. High-Strength Low-Alloy Steel (HSLA): Ideal for structural applications due to its strength and lightweight properties.
2. Tool Steel: Used for cutting, shaping, and drilling due to its hardness and wear resistance.

Types of Stainless Steel

1. Austenitic Stainless Steel: Non-magnetic and resistant to corrosion. Austenitic stainless steel is widely used in many industries and applications.
2. Ferritic Stainless Steel: Magnetic and less corrosion-resistant but cost-effective for automotive parts. It offers excellent ductility and formability.
3. Martensitic Stainless Steel: Strong and hard but less corrosion-resistant and more difficult to fabricate. Used where hardness is required.

Understanding the range of steel types available allows you to select one aligned with your functional and environmental requirements.

Comparing Key Factors

To help make your decision, here’s a quick comparison of alloy steel and stainless steel based on important criteria.

• Corrosion Resistance: Stainless steel is generally better suited for environments prone to moisture or exposure to chemicals.
• Strength: Alloy steel, especially tool steel or high-strength low-alloy steel, offers superior strength and wear resistance.
• Cost Efficiency: Alloy steel tends to be more economical, especially for large-scale projects where corrosion resistance isn’t a priority.

Each material excels in certain areas, so selecting the right steel depends on its intended application.

Why Choose McKnight Steel?

At McKnight Steel & Tube Co., we’ve been serving the Philadelphia and Warminster, PA, areas since 1954. Here’s why engineers, metal purchasers, and construction companies trust us:

• Extensive Inventory: Stocking carbon, stainless, aluminum, and alloy tubing and pipe in various shapes (round, square, and rectangular).
• Fast Delivery: Our company trucks deliver within a 120-mile radius of Warminster, PA, with quick turnaround times.
• Value-Added Services: Cutting to precise lengths, deburring, threading, and fabricating.
• One-Stop Solution: Customers can order both tubing and complementary metal shapes, such as angles and channels, ensuring their entire project’s needs are met.

With an unmatched commitment to service and reliability, McKnight Steel provides materials that meet your project specifications and delivery schedules.

Contact Us for Your Steel Needs

Selecting the right steel doesn’t have to be complicated. With expertise spanning over six decades, McKnight Steel & Tube Co. is ready to help find the perfect material for your project. When you need alloy steel for its strength or stainless steel for its durability, we stock a vast inventory to meet your needs.

Contact us today at 215-396-9976 to request a quote or speak with our experienced team. Family-owned and operated since 1954, we are here to ensure your project’s success—on time, every time.

What Are Different Types of Steel?

What Are the Different Types of Steel?

Steel is one of the most versatile and extensively used materials in the world. Its combination of strength, durability, and adaptability makes it an integral part of countless industries, from construction to manufacturing. For businesses, understanding the different types of steel is key for sourcing the right material for projects. Explore the types of steel, their characteristics, and practical applications to help with informed decisions.

What Is Steel?

Steel is an alloy primarily composed of iron, combined with varying amounts of carbon and other elements, such as manganese, chromium, nickel, or vanadium. The carbon content, typically between 0.2% and 2.1%, provides the steel’s hardness and strength. By adjusting the composition, various types of steel are created, each designed for different applications.

Steel’s popularity stems from its high strength-to-weight ratio, its versatility, and its ability to be recycled. When you need material for machinery, infrastructure, or decorative elements, steel offers scalable options. For more details on steel options and our supply services, visit our products and services page.

Types of Steel

Steel is broadly categorized into four main types, each suited for specific uses:

1. Carbon Steel

• Composition: Primarily iron and carbon, with minor traces of other elements.
• Grades
• Low Carbon Steel (mild steel): Easy to machine and weld. Used for structural elements and car parts.
• Medium Carbon Steel: Greater strength and wear resistance, making it ideal for automotive components and tools.
• High Carbon Steel: Extremely hard and durable, often used in cutting tools and springs.
• Applications
• Construction (beams, columns, girders)
• Machine parts
• Automotive components
• Tools and knives

2. Alloy Steel

• Composition: Mixed with elements like chromium, nickel, and molybdenum.
• Purpose: Enhances properties like strength, toughness, and corrosion resistance.
• Applications:
• Pipelines
• Gears
• Automotive parts
• Turbine blades

Alloy steels vary greatly in strength and performance based on their composition.

3. Stainless Steel

• Composition: Contains at least 10.5% chromium, which creates a corrosion-resistant surface.
• Key Features:
• Rust and stain resistance
• Aesthetic appeal
• Applications:
• Kitchen equipment
• Medical instruments
• Architectural facades
• Automotive trim

At McKnight Steel, our stocking capabilities ensure we provide premium stainless steel materials suitable for an array of demanding projects. Learn more about why we stand out as a steel supply company.

4. Tool Steel

• Composition: High carbon content with additional alloys to enhance hardness and heat resistance.
• Applications:
• Cutting tools
• Dies and molds
• Drill bits

Tool steel is specifically engineered for industrial applications requiring extreme durability.

Specialty Steels

Specialty steels are high-performance materials developed for specific applications. Examples include:

• High Strength Low Alloy (HSLA) Steel: Lightweight and strong, used in automotive frames and bridges.
• Weathering Steel (such as COR-TEN): Resistant to atmospheric corrosion, making it ideal for outdoor structures.

Choosing the Right Type of Steel

Selecting the appropriate steel type will determine the success of your project. Below are factors to consider:

• Application: What is the end use? Structural components, tools, or decorative items may require different steel types.
• Environment: Will the steel be exposed to moisture, chemicals, or extreme temperatures? Opt for corrosion-resistant alloys as needed.
• Specifications: Refer to engineering drawings and industry standards (e.g., ASTM, SAE) to support compliance.
• Budget: Choose steels that balance performance requirements with cost efficiency.

If you’re unsure about the best options for your business, our team of experts can help guide you.

Why Choose McKnight Steel?

Since 1954, McKnight Steel & Tube Co. has earned a stellar reputation in Warminster and Philadelphia as a reliable, family-operated steel supplier. Here’s what sets us apart:

• Extensive Inventory: Carbon, stainless, aluminum, and alloy tubing and pipe products in various shapes and sizes are readily available.
• Fast Delivery: We strive for 24-48 hour turnaround times on stock items with no extra shipping charges for deliveries within a 120-mile radius.
• Stocking Distributor: Unlike competitors, we maintain an inventory, ensuring quicker and more reliable order fulfillment.
• Whole-Order Fulfillment: Need tubing and additional metal components like angles or channels? We provide everything you need for your project.
• Customer Focus
• Material cut-to-length and deburring services as needed.
• Assistance from knowledgeable industry professionals.

To learn more about what makes us the preferred regional metal supplier, check our services page.

Start Your Order Today

Steel is an essential material for many industries, and McKnight Steel is here to provide high-quality, reliable solutions for your needs. Whether you’re an engineer looking for a specific grade or a metal purchaser sourcing bulk inventory, we have you covered.

Contact us today to discuss your requirements or request a quote. Call us at 215-396-9976 or visit our contact page to get started. With decades of expertise and a customer-first commitment, we’re ready to deliver the materials your project demands—on time and to specification.