ASTM A106GR.B CS Seamless Pipes is one of the main steel pipes we supply for customers.
Generally the length is 5.8m. 6m, 11.8m, or 12m. Coating, such as oil painting, black paint, 3LPE, 2LPE, is required in order to protect the pipe body. Plastic caps on both ends to prevent the damage during the transportation.
Below is the details:
1 Production technology: Hot-rolled or Cold rolled
2 Specification range:
OD: 3''-24'' (73mm-610mm)
WT: SCH10-SCHXXS
3 Materials: 10#, 20#,45#,16Mn, GRB, Q345B, X42-56, ST44, ST52 etc.
4 Testing: Eddy current, Hydrostatic, Ultrasonic, Intergranular corrosion etc.
5 Packing: in bundles with steel strips, seaworthy packing as per customer's requirements
6 Application: Hot-rolled seamless steel pipes are widely used in fluid transmission such as petroleum,
natrural gas, coal gas, waster as well as shipbuilding, large constructions, machinery, chemical fertilizer
equipment, electricity industry etc.
Tolerances:
| Standard |
OD Tolerance |
WT Tolerance |
| GB/T 8162 |
D＜50mm |
±0.50mm |
S＜4mm |
±12.5% |
| D≥50mm |
±1% |
4-20mm |
+15/-12.5% |
| S≥20mm |
±12.5% |
| DIN1629 |
D＜50mm |
±0.50mm |
S2Sn |
+15/-10% |
| D≥50mm |
±1% |
2SnS4Sn |
+12.5/-10% |
| S4Sn |
±9% |
| ASTM A53 |
D≤48.3mm |
±0.40mm |
±12.5% |
| D≥60.3mm |
±1% |
| ASTM A106 |
D≤48.3mm |
±0.40mm |
±12.5% |
| 48.3mm＜D≤114.3mm |
±0.79mm |
| 114.3mm＜D≤219.1mm |
＋1.59－0.79mm |
| 219.1mm＜D≤457mm |
＋2.38－0.79mm |
| 457mm＜D≤660.4mm |
＋3.18-0.79mm |
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