ASTM American Society kwa ajili ya upimaji na Vifaa
A213 / A213M
A269 / A269M
A511
A789 / 789M
A790 / 790M
ASME American Society ya Wahandisi Mechanical
SA213 / SA213M
SA269 / SA269M
SA511
SA789 / SA789M
SA790 / SA790M
Ulaya
EN 10216-5
EN ISO1127
germany
Din 17456
Din 28180
JIS
JIS G3459
JIS G3463