Product Description

Product Description |
Item |
Carbon Steel Coil |
Application |
Ship Plate, Boiler Plate, Container Plate, making pipes |
Standard |
ASTM AISI JIS DIN EN GB Etc |
Thickness |
0.8-50mm or Customized |
Width |
600-1500mm or Customized |
Length |
500-1000m or Customized |
Hardness |
40hrb-95hrb |
Certificate |
CE ISO Etc |
Tolerance |
±1% |
Processing Service |
Welding, Punching, Cutting, Bending, DecoilingWe accept custom orders of various sizes. |
Steel Grade |
ss400 Q355 a36 q235 ss400 Q195 Q215 Q235 Q255 Q275 |
Surface Finish |
BA/2B/NO.1/NO.3/NO.4/8K/HL/2D/1D Etc |
Delivery Time |
Usually within 7 days, timed according to the number of customers |
Technique |
Cold Rolled Hot Rolled |
Sample |
Avaliable |
Payment method |
T/T, L/C |
Packing |
Standard packaging, can be packaged according to customer requirements |
MOQ |
5 Ton |
Carbon structural steel chemical composition list |
Model |
Grade |
chemical composition |
C |
Mn |
Si |
S |
P |
no greater than |
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 |
|
C |
≤0.18 |
0. 35-0.80 |
0.04 |
0.04 |
D |
≤0.17 |
0. 035 |
0. 035 |
Q255 |
A |
0. 18-0. 28 |
0.40-0.70 |
0.3 |
0. 05 |
0.045 |
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 |
B |
0. 035 |
0. 035 |
C |
0. 03 |
0.03 |
D |
≤0.18 |
0. 025 |
0.03 |
E |
0.02 |
0. 025 |
Q390 |
A |
≤0.20 |
≤1.70 |
≤0.50 |
0. 035 |
0.035 |
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 |
B |
0. 035 |
0. 035 |
C |
0.03 |
0. 03 |
D |
0. 025 |
0.03 |
E |
0.02 |
0.025 |
Q460 |
C |
≤0.20 |
≤1.80 |
≤0.60 |
0. 03 |
0.03 |
D |
0. 025 |
0.03 |
E |
0.02 |
0. 025 |
Q500 |
C |
≤0.18 |
≤1.80 |
≤0.60 |
0.03 |
0.03 |
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 |
Physical Properties |
Density (lb / cu. in.) |
0.284 |
Specific Gravity |
7.86 |
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) |
0.107 |
Melting Point (Deg F) |
2770 |
Poissons Ratio |
0.3 |
Thermal Conductivity |
360 |
Mean Coeff Thermal Expansion |
6.7 |
Modulus of Elasticity Tension |
30 |






FAQ
Q:Can you send samples?
A:Yes, we can send samples to all parts of the world. Our samples are free, but customers need to bear the courier costs.
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:What are the shipping ports?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Shanghai ports and etc, you can choose other ports according to your needs.
Q:About product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
Q:What are the certifications for your products?
A:We have ISO 9001, SGS, and other certifications.
Q:How long does your delivery time take?
A:In general, our delivery time is about 15 work days, and may be delayed if the demand is extremely large or special circumstances occur.
Q:Can I go to your factory to visit?
A:Welcome customers from all over the world to visit our factory. However, some of the plants are not open to the public.
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.
Q:How to pack the products?
A:The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q:What is your working time?
A:In general, our online service time are Monday to Friday Beijing time: 8:00-22:00, beside work time we will reply to your inquiry during the next working day.