NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
Standards
[CURRENT]
ASTM A 234/A 234M
ASTM A 234/A 234M
Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service
Title (German)
Formstücke aus Schmiedestahl und legiertem Stahl für mittlere und hohe Temperaturen