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What Forms is ASTM A572 Gr 50 Available In? | Plates, Bars, Shapes, and Sheets

 

ASTM A572 Grade 50 is a high-strength low-alloy (HSLA) structural steel known for its excellent strength-to-weight ratio, making it a preferred choice for construction and engineering projects worldwide.

As a leading astm a572 steel supplier in China, Gangsteel offers astm a572 gr 50 in multiple forms to meet diverse project requirements, from bridge construction to heavy machinery. This high strength low alloy steel is available as plates, round bars, structural shapes, and sheets, each tailored for specific applications. This article explores the available forms of astm a572 gr 50 plate, their specifications, and their uses, helping you choose the right product for your structural needs.


 

1. What is ASTM A572 Gr 50?

ASTM A572 Gr 50, part of the astm a572 specification, is a high strength low alloy steel with a minimum yield strength of 50 ksi (345 MPa). Enhanced with columbium and vanadium, it provides superior weldability and corrosion resistance compared to standard carbon steels like astm a572 a36. Its versatility makes a572 gr 50 steel ideal for structural applications, including bridges, high-rise buildings, and construction equipment.

Gangsteel supplies astm a572 gr50 compliant with ASME, EN, JIS, and DIN standards, ensuring reliability for global infrastructure projects.

 

2. Chemical Composition of ASTM A572 Gr 50

The astm a572 gr 50 chemical composition is designed to balance strength and weldability:

Element

Composition (%)

Carbon (C)

≤ 0.23

Manganese (Mn)

≤ 1.35

Phosphorus (P)

≤ 0.04

Sulfur (S)

≤ 0.05

Silicon (Si)

≤ 0.40

Vanadium (V)

0.01-0.15

Columbium (Nb)

0.005-0.05

Copper (Cu, optional)

≥ 0.20

This composition ensures a low carbon equivalent, facilitating welding and enhancing corrosion resistance for material a572 gr 50 across all forms.

 

3. Mechanical Properties of ASTM A572 Gr 50

The astm a572 gr 50 mechanical properties are consistent across its forms:

Property

Value

Yield Strength (Min)

345 MPa (50 ksi)

Tensile Strength (Min)

450 MPa (65 ksi)

Elongation (in 200mm)

≥ 18%

Elongation (in 50mm)

≥ 21%

Charpy Impact (at 0°C, optional)

≥ 27 J

These astm a572 gr 50 material properties provide a robust balance of strength and ductility, making it suitable for high-stress structural applications.

 

4. Available Forms of ASTM A572 Gr 50

ASTM A572 Gr 50 is available in several forms, each suited for specific applications:

Plates

The astm a572 gr 50 plate is the most common form, widely used for its flat, expansive surface and high strength:

Dimension

Available Range

Thickness

6mm - 200mm

Width

1500mm - 4200mm

Length

Up to 18000mm

Applications include bridge girders, building columns, and machinery bases, leveraging a572 gr 50 properties for structural integrity.

Round Bars

The a572 gr 50 round bar is ideal for cylindrical components:

Dimension

Available Range

Diameter

10mm - 150mm

Length

Up to 12 meters

Uses include anchor bolts, shafts, and structural supports in a572 gr 50 structural steel applications.

Structural Shapes

ASTM A572 Gr 50 is offered as structural shapes, including:

Shape

Typical Uses

Wide Flange Beams (W Shapes)

Building columns, bridge supports

Channels (C Shapes)

Bracing, frameworks

Angles (L Shapes)

Trusses, corner reinforcements

Hollow Structural Sections (HSS)

Lightweight, high-strength frames

These shapes support astm a572 50 in seismic-resistant and heavy infrastructure designs.

Sheets

Thin sheets (1.5mm - 6mm) are used for:

  • Cladding in building exteriors
  • Lightweight structural panels
  • Fabricated machinery components

Sheets are available in widths up to 3200mm, with hot- or cold-rolled finishes for astm a572 plate.

 

5. Equivalent Grades of ASTM A572 Gr 50

The astm a572 gr 50 equivalent material includes:

Standard

Equivalent Grade

EN 10025

S355JR

DIN

St52-3

JIS

SM490A

GB

Q345B

These equivalents ensure global compatibility for astm a572 gr50 across various forms.

 

6. Applications of ASTM A572 Gr 50

The a572 gr 50 steel plate and other forms are used in:

  • Bridges: a572 gr 50 bridge steel plate for beams and supports
  • Buildings: Columns and seismic-resistant frames
  • Machinery: Cranes, excavators, and loaders
  • Infrastructure: Transmission towers, railcars, and agricultural equipment

As a structural steel plate supplier, Gangsteel ensures compliance with ASME, EN, JIS, and DIN standards.

 

7. Supply Conditions and Customization

Gangsteel offers astm a572 gr 50 in:

  • Supply Conditions: As-rolled, normalized, TMCP, or quenched/tempered
  • Customization: Cutting, beveling, ultrasonic testing

Contact for astm a572 gr 50 properties and tailored sizing.

 

8. FAQ – Frequently Asked Questions about ASTM A572 Gr.50

1. What forms is ASTM A572 Grade 50 available in?

Plates, a572 gr 50 round bar, structural shapes, and sheets.

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

Minimum yield of 345 MPa, tensile of 450 MPa, as per astm a572 gr 50 mechanical properties.

3. What is the chemical composition of ASTM A572 Gr 50?

Low carbon with vanadium and columbium, detailed in astm a572 gr 50 chemical composition.

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

EN S355JR, JIS SM490A, per astm a572 gr 50 equivalent material.

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

Gangsteel, an ASTM A572 Grade 50 steel supplier China.

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

Contact Gangsteel for current pricing and bulk discounts.


 

9. Why Buy ASTM A572 Gr.50 from GANGSTEEL?

Gangsteel, a trusted ASTM A572 Grade 50 steel supplier China, offers large stock, 7-15 day delivery, and MTC EN 10204 3.1 certification. Explore related grades: astm a572 gr 42, astm a572 gr 55, astm a572 gr 60, astm a572 gr 65. Buy a572 50 steel plate for exceptional quality and service.

 

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