NA 021
DIN Standards Committee Iron and Steel
Technical rule
[CURRENT]
TÜV-VERBAND WB 572
TÜV-VERBAND WB 572
Heat-Resisting Steel 7CrWVMoNb9-6, Material-No . 1.8201 - Seamless tube
Title (German)
Warmfester Stahl 7CrWVMoNb9-6, - Werkstoff-Nr. 1.8201 - Nahtloses Rohr