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French stainless steel

French stainless steel

French stainless steel

(OP)
Can anybody please tell me what the difference is  between Z 1 NCDU 25.20 and Z 2 NCDU 25.20?

Thanks

RE: French stainless steel

The 1 and the 2 are the average Carbon content times 100.

RE: French stainless steel

Z 2 NCDU 25.20 is AFNOR name for 904L (AISI) or 1.4539

In AFNOR code, Z stands for stainless steel. First number stands for percentage of carbon x 100 (i.e. 10 means 0.1% of Carbon)

here we have less than 0.02% for Z2 and less than 0.01% for Z1

Cyril Guichard
Mechanical Engineer Consultant
France

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