| Gambar | Grade | Size | Merek |
 |
Seamless STD/SCH40/SCH80/SCH160 Welded Medium/SCH40 |
1/4″ – 30″ |
FKK Jiangsu Valin TPCO BAKRIE (BPI) Indonesian Steel Tube Works (ISTW) INDAL |
| Gambar | Grade | Size | Merek |
 |
Seamless SCH 10/20/40/80 Welded SCH 10/20/40 |
– |
Wenzhou taixiang Pantech |