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A572 Grade 50 Steel Plate for Truck Frames: Durable and High-Strength Solution

 

A572 Grade 50 steel plate is a high-strength low-alloy (HSLA) structural steel ideal for truck frames, offering exceptional durability and load-bearing capacity in demanding transportation applications. As a trusted ASTM A572 STEEL PLATE supplier in China, Gangsteel provides premium A572 Gr 50 plate tailored for truck chassis, trailers, and heavy-duty frames.

This high strength low alloy steel complies with ASTM A572 standards, delivering superior weldability and corrosion resistance for truck manufacturers. Perfect for off-road vehicles, dump trucks, and semi-trailers, A572 Grade 50 structural steel reduces weight while enhancing frame strength, with Gangsteel offering large stock and fast global delivery.

 

1. General Description - A572 Grade 50 Steel Plate for Truck Frames

A572 Grade 50 steel plate, under the ASTM A572 specification, is an HSLA steel designed for structural applications where high strength and toughness are essential. In truck frame construction, it forms the backbone of chassis and support structures, withstanding heavy loads, vibrations, and impacts. Alloyed with columbium and vanadium, this carbon steel plate provides better fatigue resistance than standard steels, making it suitable for commercial trucks, logging trailers, and military vehicles. Gangsteel's A572 Gr 50 plate is compliant with ASME, EN, JIS, and DIN, ensuring seamless use in truck manufacturing for improved fuel efficiency and longevity.

 

2. A572 Grade 50 Chemical Composition - Key Elements for Truck Frame Strength

The chemical composition of A572 Grade 50 is optimized for high strength and corrosion resistance in truck frames:

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 astm a572 gr 50 chemical composition ensures low carbon equivalent for welding truck frames without cracking.

 

3. A572 Grade 50 Mechanical Properties - Performance for Heavy Truck Loads

ASTM A572 Grade 50 provides mechanical properties suited for truck frame demands:

Property

Value

Yield Strength (Min)

345 MPa (50 ksi)

Tensile Strength

450 MPa (65 ksi) min

Elongation (in 200mm)

≥ 18%

Elongation (in 50mm)

≥ 21%

Charpy Impact (at 0°C, optional)

≥ 27 J

The astm a572 gr 50 mechanical properties offer high fatigue resistance for truck frames under constant vibration.

 

4. Equivalent Grades of ASTM A572 Grade 50 - International Options for Truck Frames

A572 Grade 50 has equivalents for global truck manufacturing:

Standard

Equivalent Grade

EN 10025

S355JR / S355J0

DIN

St52-3

JIS

SM490A / SM490YA

GB

Q345B / Q345D

BS

50B / 50C

These astm a572 gr 50 equivalent material provide similar performance for truck frames in international markets.

 

5. A572 Grade 50 vs ASTM A36 Steel - Better for Truck Frames?

A572 Grade 50 vs A36 steel: Grade 50 has higher yield (345 MPa vs 250 MPa) and alloys for superior corrosion resistance, making it better for truck frames in harsh conditions. A36 is more affordable for lighter trucks, but Grade 50 reduces weight for better payload. Choose A572 Grade 50 vs A36 steel for heavy-duty truck frames requiring enhanced strength.

 

6. Applications - A572 Grade 50 Steel Plate in Truck Frames

A572 Grade 50 plate is used in truck frames for chassis, crossmembers, and trailer supports in semi-trucks, dump trucks, and flatbeds. Its strength allows thinner frames for lighter weight, improving fuel efficiency and handling. In off-road trucks, it withstands impacts, while in commercial fleets, it ensures longevity. Gangsteel's A572 Grade 50 bridge steel plate expertise translates to truck frames, with compliance for durable designs.

 

7. Specification - A572 Grade 50 Steel Plate Dimensions for Truck Frames

Gangsteel offers customizable specifications for truck frame fabrication:

Dimension

Available Range

Thickness

6mm - 200mm

Width

1500mm - 3200mm

Length

Up to 18000mm

These dimensions support precise truck frame construction.

 

8. Available Sizes and Supply Conditions - Options for Truck Manufacturers

Gangsteel stocks A572 Grade 50 plate in thicknesses 6-200mm, widths 1500-3200mm, and lengths up to 18000mm. Supply conditions include as-rolled, normalized, TMCP, and quenched/tempered. As an ASTM A572 Grade 50 steel supplier China, we provide custom services like plasma cutting and testing. Inquire about astm a572 gr 50 plate sizes with competitive A572 Grade 50 steel price per ton for truck production.

 

9. FAQ – Frequently Asked Questions about A572 Grade 50 Plate for Truck Frames

1. What is A572 Grade 50 steel used for in truck frames?

It's used for chassis and supports in heavy trucks, providing high strength for load-bearing and impact resistance.

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

A572 Grade 50 mechanical properties include min yield of 345 MPa and tensile of 450 MPa, ideal for truck frame stress.

3. What is the chemical composition of A572 Grade 50?

Low carbon with vanadium and columbium, per A572 Grade 50 chemical composition, for weldable truck frames.

4. What are the equivalent materials for A572 Grade 50?

EN S355JR, JIS SM490A, per A572 Grade 50 equivalent material, for international truck manufacturing.

5. What is the difference between A572 Grade 50 and A36 steel for truck frames?

A572 Grade 50 vs A36 has higher strength and alloys, better for heavy truck frames with reduced weight.

6. Where can I buy A572 Grade 50 plate for truck frames in China?

Gangsteel, a leading ASTM A572 Grade 50 steel supplier China, offers stock-ready plates for truck builders.

 

10. Why Buy A572 Grade 50 Plate from GANGSTEEL?

Gangsteel provides A572 Grade 50 with large stock, 7-15 day delivery, and MTC EN 10204 3.1 certification. Explore related grades: A572 Grade 42 STEEL PLATE, A572 Grade 55 STEEL PLATE, A572 Grade 60 STEEL PLATE, A572 Grade 65 STEEL PLATE. Choose Gangsteel for your A572 Grade 50 structural steel needs in truck frames.

 

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