Best Price on Steel Angle Bar - Factory Supply High Purity Alloy Plate – JINBAICHENG
Best Price on Steel Angle Bar - 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:
Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Best Price on Steel Angle Bar - Factory Supply High Purity Alloy Plate – JINBAICHENG , The product will supply to all over the world, such as: Montreal, Russia, Frankfurt, The company attaches great importance to product quality and service quality, based on the business philosophy "good with people, genuine to whole world, your satisfaction is our pursuit". we design products, According to customer's sample and requirements, to meet the needs of the market and offer different customers with personalized service. Our company warmly welcomes friends at home and abroad to visit, to discuss cooperation and seek common development!
Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.





