| After-sales Service: | Yes |
|---|---|
| Warranty: | Yes |
| Manufacturing Process: | Forging |
| Surface Treatment: | Spray-Paint |
| Operation Pressure: | Atmospheric Pressure |
| Material: | Cast Steel |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier API 7-1 Heavy weight drill pipe /Spiral heavy weight drill pipe ,Material :4145H mod.
Heavy weight drill pipe (HWDP ) is an intermediate weight drill stem component which is used in conjunction with the drill pipes and drill collars .TIanhe HWDP is available in standard ,spiral and non manget designs .In some applicaions ,heavy weight ddrill pipe also can be use instead of the drill collars .
TIANHE HWDP is made from AISI 4145H modified quenched and tempered steel .and made as per API 7-1 .
Suppliers with verified business licenses
Audited Supplier 
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