Name: Q235B Low Carbon Steel Coil
SKU: 0

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Q235B Low Carbon Steel Coil

Q235B hot rolled carbon steel coil is a universal structural HRC grade matching ASTM A36, EN S235JR and JIS SS400 mechanical standards. Balanced yield strength, stable room-temperature impact resistance and outstanding all-around fabricability make it a multi-purpose raw coil for industrial frames, factory buildings and welded pipe production. Mass factory stock supports custom slitting and bulk wholesale for global structural metal manufacturers.

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Product Parameters

Types of carbon steel and their properties

Carbon steel can be classified into three categories according to its carbon content: low-carbon steel (or mild-carbon steel), medium-carbon steel and high-carbon steel . Their carbon content, microstructure and properties compare as follows:

Carbon content (wt.%)	Microstructure	Properties	Examples
Low-carbon steel	< 0.25	Ferrite, pearlite	Low hardness and cost. High ductility, toughness, machinability and weldability
Medium-carbon steel	0.25 – 0.60	Martensite	Low hardenability, medium strength, ductility and toughness
High-carbon steel	0.60 – 1.25	Pearlite	High hardness, strength, low ductility

PRODUCT DETAILS

Q235B Low Carbon Steel Coil

Haiwo steel group supplies full grades of high quality carbon steel coil products at competitive factory price, inquire us now!

Product Parameters
Product Name	Q235B Low Carbon Steel Coil
Production Process	Hot Rolling, Cold Rolling
Material Standards	GB/T 700 Q235B; Equivalent: ASTM A36, EN 10025 S235JR, JIS G3101 SS400
Regular Size	Common Thickness Range 1.5mm – 16mm; mainstream gauges: 2.75/3.0/4.0/5.75/8/10/12/14mm Standard Coil Width 900/1000/1250/1500/1800mm, custom slit narrow strip 10–1800mm available
Surface Treatment	Original hot rolled black oxide finish Pickled & oiled surface for better painting adhesion Light anti-rust oil coating for long-sea transit storage Edge deburring after slitting service on request
Delivery Temper	Hot rolled as-rolled; normalized treatment optional for thick coils over 12mm
Full Supporting Certificates	EN 10204 3.1 Mill Test Certificate, SGS/BV tensile, bending & impact test report, chemical composition inspection certificate, UT ultrasonic test document, CE certification available for EU export shipments
Exported to	Vietnam, Thailand, Malaysia; Saudi Arabia, UAE; Mexico; India, Egypt, South Africa

Core Strengths

Standardized 235MPa yield strength with stable 20℃ impact performance, reliable for medium-load structural projects

Perfect cross-brand interchangeability with A36, S235JR, SS400, eliminates material matching barriers for global buyers

Balanced ductility & rigidity, smooth welding, bending and punching without extra heating treatment

Broad thickness range covers light stamping to heavy structural fabrication, one-stop raw material for multi-line factories

Stable continuous rolling surface, consistent dimensional tolerance for automated slitting & tube forming lines

Cost competitive universal structural grade with abundant spot inventory for large-scale project orders

Scope of Application

Industrial factory steel frames, warehouse roof & wall structural supports

ERW welded pipe, square/rectangular tube base blank for construction pipelines

Mechanical equipment base brackets, platform panels and light structural components

Cold rolled coil substrate, stamped metal fittings and general engineering blanks

Temporary construction frames, guardrail raw stock and greenhouse main frames

Product Showcase

Product Application

Packaging and transportation

Factory Display

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.