Chinese Professional Galvanized Sheets - Factory Supply High Purity Alloy Plate – JINBAICHENG
Chinese Professional Galvanized Sheets - 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:
Related Product Guide:
With our leading technology as well as our spirit of innovation,mutual cooperation, benefits and development, we will build a prosperous future together with your esteemed company for Chinese Professional Galvanized Sheets - Factory Supply High Purity Alloy Plate – JINBAICHENG , The product will supply to all over the world, such as: Liverpool, Mombasa, Netherlands, Our domestic website's generated over 50, 000 purchasing orders every year and quite successful for internet shopping in Japan. We would be happy to have an opportunity to do business with your company. Looking forward to receiving your message !
With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.




