What is ASTM A572 GR 50 55 60 65 standard?

ASTM A572 Steel Plate Supplier | Grades 50, 55, 60, 65 Chemical Composition, Properties, Equivalent

ASTM A572 steel plate series, including a572 gr 50, a572 gr 55, a572 gr 60, and a572 gr 65, represents high-strength low-alloy structural steels ideal for construction and engineering. As a leading ASTM A572 STEEL PLATE supplier in China.

Gangsteel offers premium quality plates across these grades, ensuring compliance with global standards. These high strength low alloy steel options provide excellent weldability, toughness, and corrosion resistance, making them perfect for bridges, buildings, and machinery. Whether you need astm a572 gr 50 plate or higher grades like a572 gr65, our inventory ensures fast delivery and competitive pricing for structural projects worldwide.

1. General Description of ASTM A572 Steel

ASTM A572 is a specification for high strength low alloy steel plates with columbium-vanadium structural steel, available in grades like a572 gr50, a572 gr 55, a572 gr60, and a572 gr 65. These grades offer increasing yield strengths from 42 ksi to 65 ksi, providing lightweight yet durable solutions for structural applications. The alloying elements enhance hardness and fatigue resistance, making A572 steel suitable for welded, bolted, or riveted structures in bridges, buildings, and construction machinery.

 Gangsteel's A572 plates are ideal for a572 gr 50 steel in moderate environments, with options for higher grades like astm a572 gr 60 for more demanding loads.

2. ASTM A572 Chemical Composition

The chemical composition of ASTM A572 varies slightly by grade but maintains low carbon for weldability. Below is a comparative table for key grades:

This astm a572 gr 50 chemical composition ensures balanced properties, with higher grades like astm a572 gr65 featuring adjusted manganese for added strength.

3. ASTM A572 Mechanical Properties

ASTM A572 grades provide escalating mechanical performance. The table below summarizes key properties:

These astm a572 gr 50 mechanical properties make Gr 50 versatile, while astm a572 gr 60 and higher offer superior load-bearing for critical structures.

4. Equivalent Grades of ASTM A572

ASTM A572 grades have international equivalents for global compatibility. The table compares them:

For example, astm a572 gr 65 equivalent aligns with EN S460MC, ensuring seamless substitution.

5. ASTM A572 vs ASTM A36 Steel

Comparing ASTM A572 to A36 highlights A572's advantages. A36 has a yield of 36 ksi, while a572 gr 50 properties start at 50 ksi, allowing thinner plates. A572 includes alloys for better corrosion resistance, unlike plain A36. Higher grades like a572 gr 65 reach 65 ksi, ideal for heavy-duty vs A36's lighter uses. Gangsteel recommends A572 for projects needing enhanced strength.

6. Applications of ASTM A572 Steel Plate

ASTM A572 plates are used in bridges (a572 gr 50 plate for girders), buildings (Gr 55 for frames), and machinery (Gr 60 for cranes). Higher grades like a572 gr65 suit transmission towers and offshore platforms. Also available as a572 gr 50 round bar for specialized needs.

7. Specification of ASTM A572 Steel Plate

Gangsteel offers customizable specifications:

These cover astm a572 gr 50 plate to astm a572 gr 65.

8. Available Sizes and Supply Conditions

Sizes range from 6-200mm thick, with as-rolled, normalized, or TMCP conditions. Contact for a572 gr 50 properties specifics.

9. FAQ – Frequently Asked Questions about ASTM A572

1. What is ASTM A572 Grade 50 steel?

astm a572 gr 50 material properties define a HSLA steel for structures.

2. What is the difference between A572 Gr.50 and A36?

A572 Gr.50 offers higher strength.

3. What are the mechanical properties of ASTM A572 Grade 50?

See astm a572 gr 50 properties.

4. What are the equivalent materials of ASTM A572 Gr.50?

EN S355JR, etc.

5. Where can I buy ASTM A572 Gr.50 steel plates in China?

Gangsteel.

6. What is the price of A572 Grade 50 steel per ton?

Contact for quotes.

10. Why Buy ASTM A572 from GANGSTEEL?

Gangsteel provides competitive pricing and global delivery for material a572 gr 50 and more.