GB/T 45981.2

GB/T 45981.2 (Heavy casting and forging for heavy-duty gas turbine - Part 2: Superalloy die forgings)· GB (Cina) · 3 materiali

Designazione Gruppo di materiali
GH 4169 Nichel chevron_right
GH 4698 Nichel chevron_right
GH 4706 Nichel chevron_right