Material 20#,65*12*6-12m,Hot Rolled Low carbon seamless steel pipe
| Advantaged Product Specification |
| English | Chinese |
| Outside Diameter | Wall | Outside | Wall |
| (Inch) | thickness | Diameter | thickness |
| | (Inch) | (mm) | (mm) |
| From 2 to 8 | From 40S to 120S | From 50 to 194 | From 8 to 25 |
| Length | From 6m to 12m in accordance with customers' requirements |
| | Chinese | American | German |
| Material | 10# | ASTM A53-A | St37 DIN1626 |
| & | ASTM A106-A | St37-2 DIN17175 |
| Standard | ASTM A179-C | St35.8 DIN17175 |
| Description | ASTM A192 | St35.8 DIN17175 |
| | 20# | ASTM A53-B | St42-2 DIN1626 |
| | ASTM A106-B | St45-8 DIN17175 |
| | ASTM A178-C | St45-4 DIN1629 |
| | 45# | ASTM A1045 | CK45 |
| | 16Mn | ASTM A210-C | St52 DIN1629 |
| | 37Mn5 | J55 | |
| | 27SiMn | | |
| | CrMo | ASTM 4135,4150 | CrMo4 DIN17212 |
| | 40Cr | ASTM 5140 | 41Cr4 |
Specifications:
size range
| NPS | OD | WT |
| INCH | MM | SCH10 | SCH20 | SCH30 | STD | SCH40 | SCH60 | XS | SCH80 | SCH100 | SCH120 | SCH140 | SCH160 |
| 1/2" | 21.3 | 2.11 | | 2.41 | 2.77 | 2.77 | | 3.73 | 3.73 | | | | 4.78 |
| 3/4" | 26.7 | 2.11 | | 2.41 | 2.87 | 2.87 | | 3.91 | 3.91 | | | | 5.56 |
| 1" | 33.4 | 2.77 | | 2.9 | 3.38 | 3.38 | | 4.55 | 4.55 | | | | 6.35 |
| 1.1/4" | 42.2 | 2.77 | | 2.97 | 3.56 | 3.56 | | 4.85 | 4.85 | | | | 6.35 |
| 1.1/2" | 48.3 | 2.77 | | 3.18 | 3.68 | 3.68 | | 5.08 | 5.08 | | | | 7.14 |
| 2" | 60.3 | 2.77 | | 3.18 | 3.91 | 3.91 | | 5.54 | 5.54 | | | | 8.74 |
| 2.1/2" | 73 | 3.05 | | 4.78 | 5.16 | 5.16 | | 7.01 | 7.01 | | | | 9.53 |
| 3" | 88.9 | 3.05 | | 4.78 | 5.49 | 5.49 | | 7.62 | 7.62 | | | | 11.13 |
| 3.1/2" | 101.6 | 3.05 | | 4.78 | 5.74 | 5.74 | | 8.08 | 8.08 | | | | |
| 4" | 114.3 | 3.05 | | 4.78 | 6.02 | 6.02 | | 8.56 | 8.56 | | 11.13 | | 13.49 |
| 5" | 141.3 | 3.4 | | | 6.55 | 6.55 | | 9.53 | 9.53 | | 12.7 | | 15.88 |
| 6" | 168.3 | 3.4 | | | 7.11 | 7.11 | | 10.97 | 10.97 | | 14.27 | | 18.26 |
| 8" | 219.1 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 | 15.09 | 18.26 | 20.62 | 23.01 |
| 10" | 273 | 4.19 | 6.35 | 7.8 | 9.27 | 9.27 | 12.7 | 12.7 | 15.09 | 18.26 | 21.44 | 25.4 | 28.58 |
| 12" | 323.8 | 4.57 | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.7 | 17.48 | 21.44 | 25.4 | 28.58 | 33.32 |
| 14" | 355.6 | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.7 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 |
| 16" | 406.4 | 6.35 | 7.92 | 9.53 | 9.53 | 12.7 | 16.66 | 12.7 | 21.44 | 26.19 | 30.96 | 36.53 | 40.19 |
| 18" | 457.2 | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.7 | 23.83 | 39.36 | 34.93 | 39.67 | 45.24 |
| 20" | 508 | 6.35 | 9.53 | 12.7 | 9.53 | 15.09 | 20.62 | 12.7 | 26.19 | 32.54 | 38.1 | 44.45 | 50.01 |
| 22" | 558.8 | 6.35 | 9.53 | 12.7 | 9.53 | | 22.23 | 12.7 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 |
| 24" | 609.6 | 6.35 | 9.53 | 14.27 | 9.53 | 17.48 | 24.61 | 12.7 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 |
| 26" | 660.4 | 7.92 | 12.7 | | 9.53 | | | 12.7 | | | | | |
| 28" | 711.2 | 7.92 | 12.7 | 15.88 | 9.53 | | | 12.7 | | | | | |
Application of seamless steel pipe
1. Construction are: pipeline under most more building in extraction of groundwater, the boiler hot water use, etc.
2. Mechanical processing, bearing sleeve, processing machinery spare parts, etc.
3. Electrical class: gas pipeline, water power fluid.
4. Wind farms anti-static tube, etc.
