Patent ID: 11932926
Assignee: OUTOKUMPU OYJ
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 14:
15. The duplex ferritic austenitic stainless steel of claims 1 containing:
0.02-0.04 weight % carbon,
0.2-0.8 weight % silicon,
0.7-2.0 weight % manganese,
14.0-16.99 weight % chromium,
3.17-5.0 weight % nickel,
4.0-7.0 weight % molybdenum,
less than 4.5 weight % tungsten,
0.1-1.5 weight % copper,
0.18-0.23 weight % nitrogen,
more than 0% and up to 0.05% magnesium, and
the rest being iron and inevitable impurities occurring in stainless steels.