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- Contact Person : Mr. manager sales
- Company Name : Shanghai Metal Corporation
- Tel : 86-21-5830-9368
- Fax : 86-21-5081-9492
- Address : Shanghai,Shanghai,1701 Yuan Mansion, 738 Dongfang Road, Shanghai City. China.
- Country/Region : China
- Zip : 200122
Spring Steel Strip for Roller Shutter Doors
Related Product Searches:Spring Steel Strip for Roller Shutter Doors,High Quality Spring Steel Strip for Roller Shutter Doors,Spring Steel Strip for Roller Shutter Doors
Specification of Spring Steel Strip for Roller Shutter Doors :1.Material: 65, 70, 75, 85, 65Mn, 55SiMnV, 60Si2MnA, 60Si2CrA, etc.
2.Thickness:0.3mm-2.0mm
3.Width:30mm-355mm
4.Hardness:≥100HV
5.Surface Treatment: grey, blue, bright, bright & grey, bright & blue
6.Features: The chemical compositions helps spring steel to endure significant bending or twisting and return to its original shape without deforming.
7.We can offer a sample for your testing.
8.Application: Spring Steel is widely in the motor vehicle industry and many general engineering applications. It is suitable for applications that require high strength and toughness. Typical applications include crankshafts, steering knuckles, gears, spindles and pumps.
9. Grade
Grade | ||||
GB | ASTM | JIS | DIN | |
65Mn | 1066 | |||
55Si2Mn | 9255 | 55Si7 | ||
60Si2Mn | 9260 | SUP6 | 60Si7 | |
60Si2MnA | 9260 | SUP6 | 60Si7 | |
55CrMnA | 5155 | SUP9 | 55Cr3 | |
60CrMnA | 5160 | SUP9A | ||
50CrVA | 6150 | SUP10A | 51CrV4 | |
60CrMnBA | 51B60 | SUS11 | 58CrMnB4 | |
10. Chemical Components:
Components | ||||||||
Grade | C | Si | Mn | Cr | V | B | P | S |
65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.25 | ≤0.035 | ≤0.035 | ||
55Si2Mn | 0.52-0.60 | 1.50-2.00 | 0.60-0.90 | ≤0.35 | ≤0.035 | ≤0.035 | ||
60Si2Mn | 0.56-0.64 | 1.50-2.00 | 0.60-0.90 | ≤0.35 | ≤0.035 | ≤0.035 | ||
60Si2MnA | 0.56-0.64 | 1.60-2.00 | 0.60-0.90 | ≤0.35 | ≤0.03 | ≤0.03 | ||
55CrMnA | 0.52-0.60 | 0.17-0.37 | 0.65-0.95 | 0.65-0.95 | ≤0.03 | ≤0.03 | ||
60CrMnA | 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 | ≤0.03 | ≤0.03 | ||
50CrVA | 0.46-0.54 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.10-0.20 | ≤0.03 | ≤0.03 | |
60CrMnBA | 0.56-0.64 | 0.17-0.37 | 0.70-1.00 | 0.70-1.00 | 0.0005-0.004 | ≤0.03 | ≤0.03 | |
