Name: A572 Gr50 Carbon Steel Bar
SKU: 0

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A572 Gr50 Carbon Steel Bar

A572 Grade 50 carbon steel bar is a high strength low alloy (HSLA) structural round bar. With minimum 50 ksi yield strength, it delivers higher load capacity than mild steel and maintains good weldability and formability. It is widely used for heavy construction machinery, solar panel support structures, truck frames and load-bearing steel fabrication. Hot rolled round, square and flat bar available for global engineering buyers.

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Product Parameters

Feature	Details
High Strength Low Alloy Grade	ASTM A572 Grade 50, minimum 50 ksi yield strength for heavy load structural service
Superior Load Capacity	Higher strength than A36, suitable for larger sections and heavy engineering components
Good Weldability & Formability	Reliable toughness, easy welding, cutting and cold forming for structural fabrication
Multiple Profile Options	Hot rolled round bar, square bar, flat bar available
Full Export Documentation	MTC mill test certificate, ISO9001, third-party inspection available
Main applications	Heavy construction machinery frames, booms and load-bearing structural parts Solar panel support structures, mounting rails and ground support systems Truck frames, trailer chassis and heavy transportation equipment Industrial steel buildings, platform frames and heavy support columns Earthmoving equipment, mining machinery and large welded assemblies

Item	Specification
Product Name	A572 Grade 50 Carbon Steel Bar
Executive Standard	ASTM A572 / A572M
Grade	Grade 50
Minimum Yield Strength	50 ksi (345 MPa)
Tensile Strength	60–80 ksi (415–550 MPa)
Size Range	12mm – 320mm diameter / section
Length	6m standard, custom cut-to-length available
Surface Treatment	Hot rolled black finish, anti-rust oil coated
Equivalent Grades	Q355B, S355JR, SS490
Certificates	MTC, ISO9001, SGS Third-Party Inspection
Packing	Seaworthy export bundled packing with steel strapping

A572 Grade 50 is a high strength low alloy structural bar intended for heavy load applications. It offers higher yield strength than A36 carbon steel structural bar and is suitable for machinery frames, solar support structures and industrial steel fabrication. Not recommended for high temperature boiler service or severe corrosion environments without additional protection. Haiwo steel factory maintain spot inventory and support custom cutting for heavy machinery OEMs and renewable energy structure projects

Send us your inquiry including required bar diameter, shape, length and project load conditions. Get high strength steel solution & factory wholesale price within 24 hours.

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FAQ

1.What kind of customer service do you provide?

We provide comprehensive customer service, including basic design, procurement of supporting facilities, and options for dispatching installation guides.

2.What are the customer evaluations of your company?

We are proud to consistently receive five-star reviews from our customers, which demonstrates our commitment to quality and service.

3.What is your quality inspection process like?

Our strict quality inspection process ensures that every product meets the highest standards of excellence. From raw materials to finished products, every stage is carefully inspected to ensure excellent quality.

4.Do you accept container loading inspection?

Welcome to dispatch inspectors, not only for container loading, but also at any time during production.

5.What is the delivery time?

The delivery time depends on the quantity of orders. Usually, the delivery time to the nearest port in China is 15-30 days after receiving the deposit.

6. How to obtain a project quotation?

You can contact us 24 * 7 via email, phone, WhatsApp, WeChat, etc. You will receive a reply within 4 hours.