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Non-Corrosion Resisting Alloy S129
Technical Data Sheet
| Chemical Composition Limits | ||||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | Others |
| S129 | 0.12 | 0.20-1.00 | 0.50-2.00 | P 0.035 S 0.025 | 17-19 | - | 8-11 | Ti 5X C min |
| 2S129 | 0.08 max | 0.20-1.00 | 0.50-2.00 | P 0.035 S 0.025 | 17-19 | 1.0 max | 8-11 | Ti 5X C 0.80 |
| Chemical similar British Specifications BS 970 Pt4 | ||||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | Others |
| 321S20 321S12 (EN58 b/c) | ||||||||
| Other Chemically similar Specifications | ||||||||
| Weight% | C | Si | Mn | P+S max | Cr | Mo | Ni | Others |
| AFNOR Z10 CNT 18-11 Z6 CNT 18-11 | 0.12 max | 1.00 max | 2.00 max | P 0.040 S 0.030 | 17-19 | - | 10-12 | Ti 5 X C 0.80 |
| AISI 321 / SAE 30321 | 0.80 max | 1.00 max | 2.00 max | P 0.045 S 0.030 | 17-19 | - | 9-12 | Ti 5 X C min |
| AMS 5645 | 0.80 max | 1.00 max | 2.00 max | P 0.040 S 0.030 | 17-19 | 0.75 max | 0.80-12.00 | Ti 6 X C/ min |
| MIL-S- 862B 321 | 0.80 max | 1.00 max | 2.00 max | P 0.045 S 0.030 | 17-19 | - | 9-12 | Ti 5 X C |
| MIL-S-27419 321 | 0.80 max | 1.00 max | 2.00 max | 0.025 | 17-20 | - | 9-13 | Ti 0.75 max Cu 0.70 max |
| WS 1.4541 X10CrNiTi18 9 | 1.00 max | 1.00 max | 2.00 max | P 0.045 S 0.030 | 17-19 | - | 9-11.50 | Ti 5 X C min |
Typical Mechanical Properties
| Grade | Treatment | Tensile Strength Rm N/mm² | Proof Stress Rp 0.2, N/mm² | Elongation in 5.65 √Cross Sectional Area% | Hardness HB | Ruling Section |
| S129 | Solution Treated | 540 | 210 | 35 | Black 183 Bright 255 | 6" |
Availability
Alloy S129 is available in Bar. For all stock availability contact Sales.
