Manufacturer for Steel Coil Hot Rolled - Factory Supply High Purity Alloy Plate – JINBAICHENG
Manufacturer for Steel Coil Hot Rolled - Factory Supply High Purity Alloy Plate – JINBAICHENG Detail:
Structural components
Brand | C | Si | Mn | P | S | V | Nb | Al | Ti |
Q345A | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.045 | ≤0.045 | 0.02-0.15 | 0.015-0.060 | 0.02-0.20 | |
Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.040 | ≤0.040 | 0.02-0.15 | 0.015-0.060 | 0.02-0.20 | |
Q345C | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.035 | ≤0.035 | 0.02-0.15 | 0.015-0.060 | ≥0.015 | 0.02-0.20 |
Q345D | ≤0.18 | ≤0.55 | 1.00-1.60 | ≤0.030 | ≤0.030 | 0.02-0.15 | 0.015-0.060 | ≥0.015 | 0.02-0.20 |
Product Display
Physical Properties
Brand | Mechanical properties | ||||
12Mn2A | Thickness ≤ 4mm steel plate | Thickness >4mm steel plate | Brinell hardness HBW No greater than | ||
Tensile strength Rm N/m ㎡ | Elongation after break A11.3% Not less than | Tensile strength Rm N/m ㎡ | Elongation after break A11.3% Not less than | ||
12Mn2A | 390-570 | 22 | 390-570 | 23 | —- |
45Mn2A | 590-835 | 12 | 590-835 | 13 | - - |
20CrA | 390-590 | 18 | 390-590 | 20 | |
38CrA | 540-735 | 16 | 540-735 | 18 | —- |
40CrA | 540-735 | 14 | 540-730 | 16 | – |
20CrMnSiA | 490-685 | 18 | 490-685 | 21 | – |
25CrMnSiA | 570-720 | 18 | 570-720 | 20 | 229 |
30CrMnSiA | 540-735 | 16 | 540-735 | 19 | 229 |
35CrMnSiA | 590-785 | 14 | 590-785 | 16 | - |
18CrMn2MoBA | 440-640 | 20 | 440-640 | 22 | 217 |
30CrSiMoVA | QQ709023242 | - | - | - | 217 |
Typical applications
According to the professional use, there are plates for oil drums, enamel plates, bullet-proof plates, etc.; according to the surface coating layer, there are galvanized thin plates, tin-plated thin plates, lead-plated thin plates, plastic composite steel plates, etc.
Main products
1. Classification by thickness: (1) thin plate; (2) medium plate; (3) thick plate; (4) extra thick plate.
2. Classification by production method: (1) hot-rolled steel sheet; (2) cold-rolled steel sheet.
3. Classification by surface characteristics: (1) galvanized sheet (hot dip galvanized sheet, electro galvanized sheet); (2) tin-plated sheet; (3) composite steel sheet; (4) color coated steel sheet.
4. Classification by application: (1) Bridge steel plate; (2) Boiler steel plate; (3) Shipbuilding steel plate; (4) Armor steel plate; (5) Automobile steel plate; (6) Roofing steel plate; (7) Structural steel plate; (8) Electrical steel plate (silicon steel sheet); (9) Spring steel plate; (10) Other common Japanese grades of steel plates for general and mechanical structures.
Product detail pictures:



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We have now sophisticated machines. Our solutions are exported to the USA, the UK and so on, enjoying a great reputation amid consumers for Manufacturer for Steel Coil Hot Rolled - Factory Supply High Purity Alloy Plate – JINBAICHENG , The product will supply to all over the world, such as: Morocco, Israel, Philippines, Our company always concentrate on the development of the international market. We now have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.

This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
