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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.

Services
At Aircraft Materials all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day, and for time-critical situations such as AOGs, we have a dedicated AOG service desk ready to help (aog@aircraftmaterials.com).

Thanks to our global logistics network we can source from anywhere in the world in just a few days. We use a range of transport partners to enable us to ship overnight within the U.K. and Europe and provide fast shipping solutions to the rest of the world. If your requirement is urgent we can offer a priority shipping service, but also if time is not so critical we can offer more cost-effective options to ensure you get the best value for money. To find out more about our services click here.

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.

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