| Divide |
Kind |
Uses |
Relevant standards |
| For general piping |
Steel pipes for ordinary piping |
Steam, water, oil, gas, such as air piping |
KS, JIS, BS, ASTM |
| Galvanized steel pipes for water works |
Steam, water, air, water, plumbing, such as fire hydrants |
| Corrosion-resistant steel pipe supply |
Supply |
| Pipe wrapping |
Sewage, industrial and agricultural water |
| For Pressure Piping |
Steel tubes for pressure piping |
Steam, water, oil, gas, such as air piping |
| For fuel gas piping |
Steel pipe for fuel gas piping |
City gas, liquefied petroleum gas transportation, etc |
KS |
