Specification of Steel Strip for Spring Clips :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 |