NAS 301-K3GHigh Workability Stainless Steel for Springs
Characteristics of NAS 301-K3
PD@Specification of springs for Type 301 is satisfied.
QD@Following properties are characterized comparing normal grade of springs.
@@@(1) Surface roughness and micro cracks are improved after working compared with conventional materials.
@@@(2) Etched surface becomes sooth.
Chemical Composition
(%)
- | C | Si | Mn | P | S | Ni | Cr | Remark |
NAS 301-K3 | 0.15 | 1.00 | 2.00 | 0.030 | 0.030 | 6.00 `8.00 |
16.00 `18.00 |
Same as Type 301 in JIS G4305 and G4313 |
Example | 0.09 | 0.86 | 0.80 | 0.030 | 0.002 | 6.42 | 16.55 | @@@@@ |
Smoothness at bended surface
Surface after bending of H finish material with 0.2 mm thick is shown in Table 1. Smoothness at bended surface is improved and micro cracks are less.
NAS 301-K3
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Surface after bending of standard Type 301 stainless steel
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Application
It is suitable for various application requiring workability and surface smoothness after working.
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