Description
DTH drill pipes are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and pipe connect tightly as a whole set the cyclic extrusion-compression ensure reliable pipe
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Diameter |
76mm, 89mm, 102mm, 114mm, 127mm, 140mm |
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Length |
1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm |
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Thread |
2 3/8’’ API REG, 2 7/8’’ API REG, 3 1/2’’ API REG, 4 1/2’’ API REG，2 3/8" API IF, 3 1/2" API IF; BECO 6'', BECO 8'' |
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Wall thickness |
5.5mm/6.5mm/7.5mm/8.5mm/10mm |
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Other spaecial size can be customized by customer’s drawing. |
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Advanced heat treatment technology and friction welding mahcine. |
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