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A36 Carbon Steel Bar
A36 Carbon Steel Bar
A36 carbon steel bar is ASTM standard general-purpose structural mild steel, equivalent to Q235B. It features reliable strength, excellent weldability and easy machining. Widely used for steel structure fabrication, support brackets and general construction components. Hot rolled round, square and flat bar available for North American & global structural buyers.

Product Parameters

FeatureDetails
ASTM A36 Standard Structural GradeWidely recognized US standard mild carbon steel for structural applications
Great Weldability & FormabilityLow carbon composition, easy welding, cutting, bending and machining
Equivalent to Q235BInterchangeable with Q235B for most non-critical structural projects
Multiple Profile OptionsHot rolled round bar, square bar, flat bar
Full Export DocumentationMTC mill test certificate, ISO9001, third-party inspection available
Main Applications
Building steel structure frames and structural bracing

Equipment support brackets, base frames and mounting stands

General metal fabrication, welded assemblies and anchor bolts

Platform railings, structural supports for mechanical equipment

Construction and civil engineering general structural components

ItemSpecification
Product NameASTM A36 Carbon Steel Bar
Executive StandardASTM A36 / A36M
GradeA36
Minimum Yield Strength≥250MPa (36 ksi)
Tensile Strength400–550MPa
Size Range10mm – 250mm diameter / section
Length6m standard, custom cut-to-length available
Surface TreatmentHot rolled black finish, anti-rust oil coated
Equivalent GradeQ235B, S235JR, SS400
CertificatesMTC, ISO9001, SGS Third-Party Inspection
PackingSeaworthy export bundled packing with steel strapping

A36 is general structural carbon steel for construction and fabrication. It is comparable to Q235B carbon steel bar for most general structural applications. It is not suitable for high-temperature, high-pressure or heavy dynamic load service. Spot inventory available, we support custom cutting for structural contractors and metal fabricator bulk orders.

Send us your required bar diameter, shape, length and project requirements. Get free bulk wholesale price now!

Product Showcase


A36 Carbon Steel Bar

Product Application


A36 Carbon Steel Bar

Packaging and transportation

A36 Carbon Steel Bar


Factory Display

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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.

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