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.

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.