A36/Q235/S235JR Carbon Steel Coil

A36/Q235/S235JR Carbon Steel Coil - Image 3

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A36, Q235, and S235JR carbon steel coils are hot-rolled or cold-rolled low-carbon steel products designed for structural and general fabrication applications . They offer excellent weldability, good mechanical strength, superior formability, and cost-effectiveness for mass production . Common materials include ASTM A36, GB Q235, and EN S235JR grades, all widely accepted in international construction and manufacturing markets . These coils function as versatile raw materials and are used in building frames, automotive parts, pipelines, storage tanks, machinery components, and general engineering projects .

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PRODUCT DETAILS

A36, Q235, and S235JR are hot-rolled or cold-rolled carbon steel coils widely used in structural engineering and general fabrication . These low-carbon steel grades offer excellent weldability, good mechanical properties, and cost-effectiveness for a variety of industrial applications

Product Parameters

Thickness Range	Hot Rolling: 2.75mm – 100mm / Cold Rolling: 0.2mm – 3mm
Width Range	45mm – 2200mm
Length	Custom sizes available
Standard Sizes	Customizable as per requirement
Processing Technology	Hot Rolling, Cold Rolling
Execution Standards	ASTM A36 / GB Q235 / EN S235JR (also AISI, JIS, DIN, BS)
Packaging	Standard seaworthy export packing: steel bundles with straps, waterproof paper, PE film protection, or as per customer request
Surface Treatment	Ordinary, wire drawing, laminated film, black painted, galvanized, pickled and oiled, or shot blasted

Chemical Composition (Typical %)

Element	ASTM A36	GB Q235	EN S235JR
Carbon (C)	0.25 – 0.29	≤ 0.22	≤ 0.17
Manganese (Mn)	≤ 1.03	0.30 – 0.70	≤ 1.40
Silicon (Si)	≤ 0.28	≤ 0.35	–
Phosphorus (P)	≤ 0.040	≤ 0.040	≤ 0.035
Sulfur (S)	≤ 0.050	≤ 0.050	≤ 0.035
Copper (Cu)	≤ 0.20	–	–
Iron (Fe)	98.0 balance	Balance	Balance

Mechanical Properties

Property	ASTM A36	GB Q235	EN S235JR
Yield Strength (min)	250 MPa	235 MPa	235 MPa
Tensile Strength	400 – 550 MPa	370 – 500 MPa	360 – 510 MPa
Elongation (min)	20 – 23%	22 – 26%	20 – 26%
Modulus of Elasticity	200 GPa	200 GPa	200 GPa

Applications

Industry	Specific Uses
Construction & Infrastructure	Bridges, buildings, oil drilling rigs, storage tanks, silos, bearing plates, piles, brackets, and structural frames
Transportation	Automobile frames, agricultural equipment, trailers, and vehicle components
General Manufacturing	Machinery parts, fixtures, rings, templates, sprockets, cams, gears, bottom plates, and forgings
Energy & Mining	Equipment frames, support structures, and mining machinery components
Decoration Engineering	Decorative structures, architectural applications, and general fabrication

ONLINE MESSAGE

CUSTOMER VISIT

APPLICATION

Ship

Chemical Industry

Electricity

Oil and gas transportation

FAQ

1. How to get samples to check the quality? How long can I get the samples?
Answer:After confirming the price, we are happy to provide samples for your evaluation. After confirming the sample details, the samples will be ready for delivery within 3-7 days, and sent to you by courier, and arrive within 3-5 days.
2.Do you provide samples ? is it free or extra ?
Answer:We provide samples free of charge, but the customer is responsible for the courier freight.
3. Do you accept the third party inspection?
Answer: Yes absolutely we accept.
4.Can you accept customization?
Answer:Yes. If you have special requirements on products or packages, we can do customization for you.
5.How do you control the quality?
Answer:We have professional inspectors to analyze chemical composition of raw materials and test the finished products strictly according to standard stipulated in the contract. In this process, Internal and external surfaces, two ends appearance, bending degree, fixed length, outer diameter and wall thickness dimension etc will be checked one by one. You can be assured that all the products you get from us are reliable.