Geological Drilling Pipe
Dimension Tolerances:
| OD | Alloewd Tolerance | WT | Alloewd Tolerance |
| <50mm | ±0.40mm | ≤5mm | +12%S, -10%S |
| 50-100mm | ±1%D | >5mm | ±10%S |
| >100mm | ±1.00mm | >5mm | ±10%S |
Note: Yield strength is Rt0.5, the sample width for tensile test is 19mm, gauge length is 50mm.
Application: For geological drilling
Contact person: Hanna Li
Trade manager: cn1500505304
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