431S29T Stainless
431S29T Stainless
(OP)
Hello
Is there an ASTM or AMS spec that is equivilent to, or includes, 431S29T stainless steel?
Also, I'm assuming that 431S is a grade of stainless, including it's material make up. Is this correct? If so, does the 29T refer to it's ability to be heat treated and the qualities attained therein, or perhaps that the material is supplied pre heat treated?
Any help is appreciated. Thanks.
Is there an ASTM or AMS spec that is equivilent to, or includes, 431S29T stainless steel?
Also, I'm assuming that 431S is a grade of stainless, including it's material make up. Is this correct? If so, does the 29T refer to it's ability to be heat treated and the qualities attained therein, or perhaps that the material is supplied pre heat treated?
Any help is appreciated. Thanks.





RE: 431S29T Stainless
I want to caution you that you are at your own risk by using charts like this and not following up by reviewing the actual standard(s) associated with the material specification. I use similar charts to give me a ball park comparison and if it looks close, I obtain the standard to review before final selection.
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RE: 431S29T Stainless
RE: 431S29T Stainless
In the 431S29T stainless mentioned in the above query, the 431S part is familiar, and relates to an ASTM specification, and I have found references that include the '29' suffix. The meaning of the '29T' part confuses me, especially the significance of the 'T'.
Thanks again.
RE: 431S29T Stainless
The T condition in BS 970 has a limiting ruling section of 150 mm and a minimum yield of 680 MPa and an ultimate of 850–1000 MPa. For impact the T condition has an Izod of 25 ft-lb (<= 63 mm) and 15 ft-lb (> 63 mm).
It looks like it may be slightly different from AISI 431:
C Si Mn P S Cr Ni
431S29 0.12–0.20 <=1.0 <=1.0 <=0.040 <=0.030 15.0–18.0 2.0–3.0