Povučen
ISO/TR 20172:2009 establishes a European grouping system for materials for welding purposes, classified in accordance with the grouping system of ISO/TR 15608. It is also applicable for other purposes such as heat treatment, forming and non-destructive testing.
ISO/TR 20172:2009 covers grouping systems for the following standardized materials:
– steel;
– aluminium and its alloys;
– copper and its alloys;
– cast irons.
POVUČEN
ISO/TR 20172:2006
POVUČEN
ISO/TR 20172:2009
95.99
Povučen
15. 4. 2021.
OBJAVLJEN
ISO/TR 20172:2021
Zavarivanje — Sistemi grupisanja materijala — Evropski materijali
95.99 Povučen