Indian Standard (IS)
Chemical composition, Mechanical properties and weld test properties of tube according to standards
| STANDARD | TYPE | CHEMICAL COMPOSITION | MECHANICAL PROPERTIES | WELD PROPERTIES | |||||||||||
| C% | Mn% | S% | Po% | Si% | YS KG/SQ MM | TS KG/SQ MM | %EL Min | FLARING % | Flattening @90 Deg | Flattening @180 Deg | Bending | Crushing | Flaging | ||
| IS3074/2005 | ERW-1 | 0.20 max | 0.30 max | 0.06 max | 0.06 max | - | 17 | 32 | 12.5 | 3t | 3t | - | - | - | |
| ERW-1 | 0.20 - 0.30 | 0.30 - 0.60 | 0.06 max | 0.06 max | - | 25 | 39 | 10 | St | St | - | - | - | ||
| ERW-1 | 0.20 max | 0.30 - 0.60 | 0.06 max | 0.06 max | - | 17A - 38AD | 32A - 44AD | - | - | - | - | - | S0A - 25AD | - | |
| 0.20 | 0.30 | 28A | 44A | S0A | |||||||||||
| CDW-2 | - | - | - | - | - | - | - | - | - | - | - | - | |||
| 0.30 | 0.60 | 46AD | 56AD | 35AD | |||||||||||
| CDW-C2 | 0.20 max | 0.90 max | 0.05 max | 0.05 max | 0.05 max | 22A - 37AD | 34A - 46AD | 15A | 2t | - | S0A - 25AD | - | |||
