New Fashion Design for Flat Bar Steel - Factory Supply High Purity Alloy Plate – JINBAICHENG
New Fashion Design for Flat Bar Steel - 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:
We're commitment to offer you the competitive price ,remarkable products excellent, also as fast delivery for New Fashion Design for Flat Bar Steel - Factory Supply High Purity Alloy Plate – JINBAICHENG , The product will supply to all over the world, such as: Sweden, Naples, Slovenia, We have got constantly insisted on the evolution of solutions, spent good funds and human resource in technological upgrading, and facilitate production improvement, meeting the wants of prospects from all countries and regions.
The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!





