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ASTM A633 Carbon Steel Coil
ASTM A633 is a high-strength low-alloy (HSLA) structural steel designed for welded, bolted, or riveted structures in low-temperature environments. It is commonly supplied in normalized (N) or normalized-rolled (NR) conditions.
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Product Parameters

Product Parameters

Product NameASTM A633 Carbon Steel Coil
Production ProcessHot Rolling, Cold Rolling
Material StandardsAISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.
Width45mm-2200mm
LengthCustom Size
ThicknessHot Rolling: 2.75mm-100mm
Cold Rolling: 0.2mm-3mm
Delivery ConditionsRolling, Annealing, Quenching, Tempered or Standard
Surface ProcessOrdinary, Wire Drawing, Laminated Film

Chemical Composition (Weight %)

ElementGrade CGrade DNotes
Carbon (C)≤0.20%≤0.20%Lower C improves weldability.
Manganese (Mn)0.90–1.35%1.15–1.50%Enhances strength & hardenability.
Phosphorus (P)≤0.035%≤0.035%Controlled for toughness.
Sulfur (S)≤0.040%≤0.040%Reduced for better ductility.
Silicon (Si)0.15–0.40%0.15–0.40%Deoxidizer.
Copper (Cu)0.20–0.40%0.20–0.40%Optional; improves corrosion resistance.
Vanadium (V)0.02–0.10%0.02–0.10%Grain refiner (in Grade D/E).

Mechanical Properties

PropertyGrade CGrade D
Tensile Strength (TS)485–620 MPa520–690 MPa
Yield Strength (YS)345 MPa min380 MPa min
Elongation (50mm)18–22%18–22%
Charpy V-Notch Impact27 J @ -40°C27 J @ -50°C
Hardness (Brinell HB)130–180140–200

Typical Applications

Infrastructure & ConstructionBridges, transmission towers, offshore platforms.
High-rise buildings (load-bearing columns, beams).
Heavy Machinery & TransportationCrane booms, mining equipment
Railway cars, shipbuilding (cold climates).
Energy & Pressure VesselsWind turbine towers, penstocks.
Storage tanks for liquefied gases (LNG).
Cold-Region ApplicationsArctic pipelines, drilling rigs.
Snowplow blades, icebreaker hulls.


Product Display

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Product Application

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Product Packaging

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Factory Display
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FAQ

Q:Can I get samples before order ?

A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

Q:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q:How can I get a quotation from you ?

A:You can leave us message, and we will reply every message in time. Or we may talk on line.

Q:What product information do I need to provide?

A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.

Q:What are the advantages of your company?

A:（1）More Than 30 year's Experience

（2）The company is a modern steel enterprise group integrating precision manufacturing, spot warehousing, international logistics, and product deep processing.

（3）World-class production equipment, product quality that meets international certifications, and timely and thoughtful after-sales service

（4）Never stop product research and development and innovation to create high-quality products that meet the global standards.

（5）Integrity business philosophy, the highest quality products, the most reasonable prices, and a global marketing network.

Q:How do we trust your company?

A:We specialise in steel business for years as golden supplier on Alibaba, headquarter locates in liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, you could place an order in Alibaba with trade assurance which could secure your payment.

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