SUP7 Spring Steel Flat Bar
Description
Technical Parameters
Introduction
60Si2Mn/SUP7 Spring Steel Flat Bar is a widely used silicon manganese spring steel that offers several desirable characteristics and a wide application range. Compared to 55Si2Mn, it has slightly stronger strength, elasticity, and hardenability. Due to these properties, it is particularly suitable for the transportation of heavier loads, making it an ideal choice for railway vehicles and the tractor sector.
60Si2Mn/SUP7 Chemical composition(%)
C | Si | Mn | P | S | Cr | Ni |
0.56-0.64 | 1.80-2.20 | 0.75-1.00 | ≤0.035 | ≤0.040 | ≤0.35 | ≤0.35 |
60Si2Mn/SUP7 Equivalent Steel Grade
GB | ASTM | DIN | JIS |
60CrMn/60Si2Mn | 9260 | 1.7177 | SUP6 |
60Si2Mn/SUP7 Mechanical Properties
Tensile | Conditions To | Elongation | Reduction | Hardness |
Σb (MPa)≥1274(130) | Σ0.2 (MPa)≥1176(120) | Δ 5 (%):≥5 | Ψ (%):≥25 | ≤321HB; |
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