| Peoducts | Seamless steel pipe |
| Out diameter | 10.29mm~1828mm |
| Wall thickness | 1.45mm~22mm |
| Length | 0.5m~20m, random length |
| Standard | API 5L, ASTM A106/A53, DIN2391, DIN1629, ASTM A179/A192, EN10210, EN10216, EN10208 |
| Material | GR.B,X42,X46,X52,X60,X65,S355JOH,S355J2H,ST44,P265GH,P235GH,P265TR1 |
| Usage | Chilled water pipe, Drinking water pipe, Waste water pipe, Structural tube, Fluid pipe, Boiler pipe, Oil and gas transportation pipeline, Mechanical structure pipe |
| Ends | Plain ends, Bevel ends, Thread, with FLG, Customize |
| Surface | Black painting, Vanish, GI, 3LPE, FBE ECT |
| Inspection | BV, SGA ECT |
| 1 | Seamless Carbon steel pipe | ASTM A106/A53 GrB/API 5L GrB |
| 2 | Oil line pipe | API 5L GRB/X42/X46/X52/X56/X60/X65 |
| 3 | OCTG oil casing & tubing pipes | API 5CT J55/K55/N80/P110 |
| 4 | Drill pipe | API 5DP E75/X95/G105/S135 |
| 5 | Low temperature steel pipe | ASTM A333 Gr.6 |
| 6 | Boiler tube | ASTM /ASME A179/A210/A192/A213 |
| 7 | High temperature alloy steel pipe | ASTM A335 P1/P2/P5/P9/P11/P12/P22/P91 |
| Pipe types | Pipe S iz e(mm) | Tolerances | |
| Hot rolled | OD | <50 | ±0.50mm |
| ≥50 | ±1% | ||
| WT | <4 | ±12.5% | |
| 4~20 | +15%, -12.5% | ||
| >20 | ±12.5% | ||
| Cold drawn | OD | 6 ~ 10 | ±0.20mm |
| 10~30 | ±0.40mm | ||
| 30~50 | ±0.45 | ||
| >50 | ±1% | ||
| WT | ≤ 1 | ±0. 15 mm | |
| 1 ~ 3 | +15%, -10% | ||
| >3 | +12.5%, -10% | ||
QUALITY CONTROL: