Grades and Chemical Composition of Stainless Steel for Springs
@Grades and Chemical Composition
Grade | Chemical Composition (%) | |||||||||
Classification | NAS | JIS | C | Si | Mn | Ni | Cr | Mo | Cu | Others |
Standard Austenitic Stainless Steel | NAS 301 |
SUS 301 |
0.15 | 1.00 | 2.00 | 6.00` 8.00 |
16.00` 18.00 |
- | - | - |
NAS 304 |
SUS 304 |
0.08 | 1.00 | 2.00 | 8.00` 10.50 |
18.00` 20.00 |
- | - | - | |
NAS 316 |
SUS 316 |
0.08 | 1.00 | 2.00 | 10.00` 14.00 |
16.00` 18.00 |
2.00` 3.00 |
- | - | |
Granular Corrosion |
NAS 301L |
SUS 301L |
0.030 | 1.00 | 2.00 | 6.00` 8.00 |
16.00` 18.00 |
- | - | N 0.20 |
NAS 304L |
SUS 304L |
0.030 | 1.00 | 2.00 | 9.00` 13.00 |
18.00` 20.00 |
- | - | - | |
NAS 304LN |
SUS 304LN |
0.030 | 1.00 | 2.00 | 8.50` 11.50 |
17.00` 19.00 |
- | - | N 0.12`0.25 | |
NAS 316L |
SUS 316L |
0.030 | 1.00 | 2.00 | 12.00` 15.00 |
16.00` 18.00 |
2.00` 3.00 |
- | - | |
Duplex Stainless Steel |
NAS 64 |
SUS 329J4L |
0.030 | 0.90 | 1.00 | 5.50` 7.20 |
24.00` 25.00 |
3.00` 3.50 |
- | N 0.08`0.20A W 0.05`0.30 |
High Nickel |
NAS 155N |
- | 0.030 | 1.00 | 1.00 | 14.50` 16.50 |
17.50` 19.00 |
3.80` 4.00 |
2.80` 4.00 |
N 0.15` 0.21 |
NAS 254N |
SUS 836L |
0.030 | 1.00 | 1.00 | 24.00` 26.00 |
22.00` 24.00 |
5.00` 6.00 |
- | N 0.17`0.22 | |
NAS 354N |
- | 0.030 | 1.00 | 1.00 | 34.00` 36.00 |
22.00` 24.00 |
7.00` 8.00 |
- | N 0.17`0.22 | |
High Strength Stainless Steel |
NAS 631 |
SUS 631 |
0.09 | 1.00 | 1.00 | 6.50` 7.75 |
16.00` 18.00 |
- | - | Al 0.75`1.50 |
NAS 301N |
SUS 301 |
0.15 | 0.80` 1.00 |
2.00 | 6.00` 8.00 |
16.00` 18.00 |
- | - | N 0.03`0.70 | |
Non-Magnetic |
NAS 305 |
SUS 305 |
0.12 | 1.00 | 2.00 | 10.50` 13.00 |
17.00` 19.00 |
- | - | - |
NAS NM15M |
- | 0.040` 0.090 |
0.90 | 14.00` 15.00 |
4.00` 4.60 |
16.50` 17.50 |
- | - | N 0.30`0.35 | |
NAS 304LG |
(Comparable to SUS305) |
0.030 | 1.00 | 2.00 | 11.00` 13.00 |
18.00` 20.00 |
- | - | - | |
NAS NM17 |
- | 0.04` 0.09 |
0.09 | 16.00` 17.00 |
7.00` 8.00 |
16.50` 17.50 |
- | - | N 0.10`0.15 | |
Heat Resistant |
NAS 310S |
SUS 310S |
0.08 | 1.50 | 2.00 | 19.00` 22.00 |
24.00` 26.00 |
- | - | - |
Ferritic Stainless Steel | - | SUS 430 |
0.12 | 0.75 | 1.00 | - | 16.00` 18.00 |
- | - | - |
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