Sky Steel Structure Co., Ltd. is a large modern steel joint venture integrating sintering, ironmaking, steelmaking, continuous casting, steel rolling, metal product production, and other processes.
Our company mainly deals in high-quality and competitively priced steel wire, carbon steel pipes, carbon steel plates, profiles, galvanized products, iron wire, steel mesh, and more. We can also customize products in various sizes, materials, standards, and coatings according to customer requirements.
Production Market
Our company is a comprehensive enterprise integrating production, processing, cutting, sales and transportation. Our steel products have been exported to more than 30 countries and regions such as Europe, North America, South America, Australia and Japan.
Our Service
While the company continues to develop and grow, it has established a retail and wholesale warehouse of 10,000 square meters, with more than 20,000 tons of steel coils, steel plates, PPGI, various types of steel, special steel, stainless steel products, etc., to meet the urgent needs of various customers for different products in quality, quantity, variety and other aspects. Provide solid support for after-sales service, to achieve timely delivery.
Our Certificate
The company has successively passed ISO9001 quality management system certification, CE certification, and GOST certification, Received "Enterprise Credit Rating Certificate", "Credit Rating Certificate", "Quality Service Integrity Unit Certificate", "Integrity Supplier Level Certificate", "Service Integrity Level Certificate", "Credit Unit Certificate", "Contract Integrity Enterprise Certificate", "Integrity Complaint Free Unit Certificate", "Industry Integrity Unit Level Certificate", "Integrity Entrepreneur Certificate", "Integrity Business Demonstration Unit Certificate", "Integrity Professional Manager Certificate And many honors.
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Carbon Steel Coil
Carbon Steel Coil is a material composed of iron and carbon. It offers excellent processing characteristics and plasticity. As a vital raw material for various metal products, it is widely used across multiple sectors including automotive, aerospace, electronics, construction, mechanical manufacturing, and other industrial fields.
We offer a wide range of carbon steel coil products, specially designed and structured to meet your unique needs.
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Product Description |
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Item |
Carbon Steel Coil |
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Application |
Ship Plate, Boiler Plate, Container Plate, making pipes |
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Standard |
ASTM AISI JIS DIN EN GB Etc |
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Thickness |
0.8-50mm or Customized |
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Width |
600-1500mm or Customized |
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Length |
500-1000m or Customized |
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Hardness |
40hrb-95hrb |
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Certificate |
CE ISO Etc |
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Tolerance |
±1% |
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Processing Service |
Welding, Punching, Cutting, Bending, DecoilingWe accept custom orders of various sizes. |
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Steel Grade |
Ss400 Q355 a36 q235 ss400 Q195 Q215 Q235 Q255 Q275 |
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Surface Finish |
BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D Etc |
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Delivery Time |
Usually within 7 days, timed according to the number of customers |
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Technique |
Cold Rolled Hot Rolled |
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Sample |
Avaliable |
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Payment method |
T/T, L/C |
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Packing |
Standard packaging, can be packaged according to customer requirements |
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MOQ |
5 Ton |
Product Parameters
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Carbon structural steel chemical composition list |
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Model |
Grade |
Chemical composition |
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C |
Mn |
Si |
S |
P |
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No greater than |
||||||
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Q195 |
- |
0.06-0.12 |
0.25-0. 50 |
0.3 |
0. 05 |
0.045 |
|
Q215 |
A |
0. 09-0.15 |
0. 25-0.55 |
0.3 |
0. 05 |
0. 045 |
|
B |
0. 045 |
|||||
|
Q235 |
A |
0.14-0.22 |
0. 30-0. 65 |
0.3 |
0. 05 |
0.045 |
|
B |
0.12-0.20 |
0. 30-0.70 |
0. 045 |
|||
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C |
≤0.18 |
0. 35-0.80 |
0.04 |
0.04 |
||
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D |
≤0.17 |
0. 035 |
0. 035 |
|||
|
Q255 |
A |
0. 18-0. 28 |
0.40-0.70 |
0.3 |
0. 05 |
0.045 |
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B |
0. 045 |
|||||
|
Q275 |
- |
0. 28-0.38 |
0. 50-0.80 |
0. 35 |
0.05 |
0. 045 |
|
Q345 |
A |
≤0.20 |
≤1.70 |
≤0.50 |
0. 035 |
0.035 |
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B |
0. 035 |
0. 035 |
||||
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C |
0. 03 |
0.03 |
||||
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D |
≤0.18 |
0. 025 |
0.03 |
|||
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E |
0.02 |
0. 025 |
||||
|
Q390 |
A |
≤0.20 |
≤1.70 |
≤0.50 |
0. 035 |
0.035 |
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B |
0. 035 |
0.035 |
||||
|
C |
0.03 |
0.03 |
||||
|
D |
0. 025 |
0.03 |
||||
|
E |
0.02 |
0. 025 |
||||
|
Q420 |
A |
≤0.20 |
≤1.70 |
≤0.50 |
0. 035 |
0.035 |
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B |
0. 035 |
0. 035 |
||||
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C |
0.03 |
0. 03 |
||||
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D |
0. 025 |
0.03 |
||||
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E |
0.02 |
0.025 |
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Q460 |
C |
≤0.20 |
≤1.80 |
≤0.60 |
0. 03 |
0.03 |
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D |
0. 025 |
0.03 |
||||
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E |
0.02 |
0. 025 |
||||
|
Q500 |
C |
≤0.18 |
≤1.80 |
≤0.60 |
0.03 |
0.03 |
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D |
0.025 |
0.03 |
||||
|
E |
0.02 |
0. 025 |
||||
|
Q550 |
C |
≤0.18 |
≤2.00 |
≤0.60 |
0. 03 |
0.03 |
|
D |
0.025 |
0.03 |
||||
|
E |
0. 02 |
0.025 |
||||
|
Q620 |
C |
≤0.18 |
≤2.00 |
≤0.60 |
0.03 |
0.03 |
|
D |
0.025 |
0.03 |
||||
|
E |
0. 02 |
0.025 |
||||
|
Q690 |
C |
≤0.18 |
≤2.00 |
≤0.60 |
0.03 |
0.03 |
|
D |
0. 025 |
0.03 |
||||
|
E |
0.02 |
0. 025 |
||||
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Physical Properties |
|
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Density (lb / cu. in.) |
0.284 |
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Specific Gravity |
7.86 |
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Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) |
0.107 |
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Melting Point (Deg F) |
2770 |
|
Poissons Ratio |
0.3 |
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Thermal Conductivity |
360 |
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Mean Coeff Thermal Expansion |
6.7 |
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Modulus of Elasticity Tension |
30 |
We provide a variety of carbon steel coil types based on size, thickness, standards, manufacturing techniques, grades, packaging, and surface treatments. These variations also depend on the materials used in the production of each type of carbon steel coil.
We value our customers’ needs and expectations. Our team is committed to continuous improvement and providing the highest quality carbon steel coil products. With decades of experience in the carbon steel industry, we are proud to be the first choice for many of our clients.
Quality Inspection Before Loading
We ensure that all products undergo thorough quality inspection before being loaded for delivery to their final destination. Each carbon steel coil is tested and approved before final packaging. Any product that fails to meet the standards is removed before packing.
This rigorous quality control process sets us apart and reflects our commitment to high standards. Our focus is on producing carbon steel coils using the best quality materials and the latest industry knowledge—this is what defines us and makes us unique.
Certificate
As one of the leading carbon steel coil suppliers in China, we warmly welcome you to buy cheap carbon steel coil for sale here from our factory. All our products are with high quality and low price. Contact us for free sample.
Cold Rolled Carbon Steel Coil, CR Coil Sheet, carbon steel coil
