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18CrNi8 - does anyone know of a US equivalent?

18CrNi8 - does anyone know of a US equivalent?

18CrNi8 - does anyone know of a US equivalent?

(OP)
One site lists "SAE AMS 6264" as a US equivalent but am unable to find this US spec via techstreet.com

Thank You.

RE: 18CrNi8 - does anyone know of a US equivalent?

SA 430 /AISI 304 is equvalent of 18Cr-8Ni.

RE: 18CrNi8 - does anyone know of a US equivalent?

If you mean 18CrNi8 according to DIN 17210 (now superseded by EN 10084) which is a structural steel containing 0.17% of carbon, 0,25% of Si, 0.5% of Mn plus about 2% of both Cr and Ni I was not able to find an USA equivalent, only a French one (18CN8) and others non standardized codes (Spain, Rumenia, Poland, etc.).
Maybe some of our American colleagues will be able to do more with the above composition.
Regards

RE: 18CrNi8 - does anyone know of a US equivalent?

Whoa-- All of the steels  you three have mentioned are very different.

rightasrain- your AMS6264 is a high Chrome aerospace quality carburizing grade of alloy steel.

As mentioned here:
thread31-189675: USA steel equivalent

0481- You may be right, however there are several grades of 3nn series stainless that have 18-8 basic composition, 302,304 etc...

MaxNeg63 -- You may also be right, however I'd liek to see some more information from the OP to determine which steel they're looking for.

This is why cross referencing steels is such a big job. Imagine a part designed in AMS6264 (with a composition designed for carburizing (and similar to MaxNeg's suggestion) being made from 304 stainless.... Ouch. carburizing 304 is not going ot work well....

I suggest taking into account not only the spec on the paper but also making some sort of sense of the application, and processing of the component.

good luck....

(oh you might want to try the worldwide guide to equivalent irons and steels.)

Nick
I love materials science!

RE: 18CrNi8 - does anyone know of a US equivalent?

I agree with MaxNeg,i've found :18CrNi8(DIN 1.5920,1.2722,1.5934), with approx 2% Cr & Ni, is not a 304 SS.
I can't find an US equivalent.

regards

S.

http://www.corrosionist.com

RE: 18CrNi8 - does anyone know of a US equivalent?

Probably the closest SAE equivalents are in the former standard 32xx(max 1.25Cr-2Ni), 33xx(max 1.75Cr-3.75Ni) series of steel grades. 3310RH is probably the only commercially available standard Cr-Ni alloy steel grade.

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