ASTM American Society for pitsapana sy Material
A213 / A213M
A269 / A269M
A511
A789 / 789M
A790 / 790M
ASME American Society ny Mechanical injeniera
SA213 / SA213M
SA269 / SA269M
SA511
SA789 / SA789M
SA790 / SA790M
European
EN 10216-5
EN ISO1127
Alemaina
Din 17456
Din 28180
Jis
Jis G3459
Jis G3463