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privateroy (Mechanical)
7 Apr 08 15:50
I have an Italian print that calls out a material of 39NiCrMo4. Do you know what an equivalent US steel would be for this material?
Any help you can provide would be appreciated.
mcgyvr (Mechanical)
7 Apr 08 16:24
I believe ASTM 9840
TVP (Materials)
7 Apr 08 17:35
39NiCrMo3 (1.6510) is the current designation according to EN 10083-3. It is roughly equivalent to grade 9840, which appears in ASTM A 519 (seamless tubes) and not much else. It has been relegated to the former SAE standards in SAE J1249.
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