| Standard | Steel Grade | Size Range outer diameter×Inner diameter | |
| DIN | 2391 | ST 35 / 45 / 52/ 37.4 / 44.4 /52.4 | OD3 - 30mm × ID 1 - 12.5 mm |
| EN | 10305-1 | E235/E355 | OD3 - 30mm × ID 1 - 12.5 mm |
| DIN | 73000 | ST 35 / 45 / 52/ 37.4 / 44.4 /52.4 | OD3 - 30mm × ID 1 - 12.5 mm |
| GB/T | 3093 | 10/20/16Mn/35/45/30CrMo/42CrMo/etc | |
| SAE | J529 | Low carbon steel | OD3 - 30mm × ID 1 - 12.5 mm |
| ISO | 8535 | ST 35 / 45 / 52/ 37.4 / 44.4 /52.4 | OD3 - 30mm × ID 1 - 12.5 mm |