NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
Standards
[CURRENT]
ASTM A 447/A 447M
ASTM A 447/A 447M
Standard Specification for Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service
Title (German)
Gußteile aus warmfestem Chrom-Nickel-Stahl (Typ 25-12)