|Place of Origin:||China|
|Model Number:||73mm drilling pipe|
|Minimum Order Quantity:||1 PC|
|Delivery Time:||5 working days|
|Supply Ability:||6000 PCS per year|
|Standards:||API, SPEC, 5DP As Well As AY/t5561-2008||Price:||Manufacturer Direct Supply|
|Size:||27/8" Or 73mm||Application:||Geological Supply|
API 2.875 inch drilling pipe for geological exploration
60mm, 73mm, 89mm, 101.6mm, 114.3mm, 127mm, 139.7mm, 152.4mm, 168mm Drilling pipe are availbale at our factory.
Among them, 73mm and 89mm are the most popular type. They are widely used in the geological and mineral exploration or survey.
Standards: The drilling pipes is comply with API, SPEC, 5DP as well as AY/t5561-2008 standards.
Steel grade: DZ50, R780, G105, S135
Heat treatment: partial or full heat treatment
Material of Joints: high quality alloy steel: 35CrMo, 4137H get through quenching and tempering. The tread is processed by CNC lathe, get cooper plating or phosphating.
|Drill pipe dia.||Upset type||RSC mode||Steel grade||Wall thickness|
|73mm||2.875 in||EU||NC31||E, X, G, S||5.51mm||0.217in|
|EU||NC31||E, X, G, S||7.82mm||0.308in|
|EU||NC26||E, X, G, S||7.82mm||0.308in|
|EU||NC31||E, X, G, S||9.19mm||0.362in|