Spring steel
Dimensions: 10-300mm
Hot rolled spring steel 65#
Grade | C | Si | Mn | P | S | Cr | Ni |
65# | 0.62 0.70 | 0.17 0.37 | 0.50 0.80 | Max 0.035 | Max 0.035 | Max 0.25 | Max 0.25 |
We can supply you the spring steel (GB standard) : 65#, 70#, 85#, 65Mn, 55SiMnVB, 60Si2Mn, 60Si2MnA, 60Si2CrA, 60Si2CrVA, 55SiCrA, 55CrMnA, 60CrMnA, 50CrVA, 60CrMnBA, 30W4Cr2VAGrade: 55Cr3, 51CrV4, 60Si2Mn4 etc.
Dimension
Rounds: Hot rolled dia.11-90mm, Cold drawn dia.5-50mm
Flats: 6-32mm * 44.5-150mm
Delivery condition: EAF+LF+VD, Hot rolled / Cold drawn, Black / Peeled
Application: Auto manufacture, spring wire
With the short stress production line that can finish foundry and rolling in one process, we are able to produce dozens type of spring flat steel from 6*40mm to 20*150mm.
Grade:GB 55Si2Mn 65Mn 60Si2Mn Q235B EN 55Si7 DIN EN 55Si7 JIS G4801 SUP9
thickness | wideness |
< 3.00(-/+0.20) | ≤200(-1.0/+2.0) |
3.25-3.75(-/+0.18) | 200-300(-1.0/+2.5) |
4.00-5.00(-/+0.24) | >300(-2.0/+3.0) |
>5.00(-/+0.27) |
65#, 70#, 85#, 65Mn, 55SiMnVB, 60Si2Mn spring steel bar