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HWDP

We supply heavy weight drill pipe (HWDP) made from AISI 4145H alloy steel according to API 7-1 latest edition. Internal coating and hard banding can be done as per customer request.

Nominal size Pipe body Tool joint Weight Kg/Piece
D (mm) Upset dimension RSC type DJ (mm) ID (mm)
Center dia.
Dm
(mm)
End dia.
DTE
(mm)
3 1/2 88.9 101.6 98.4 NC38 127.0 52.4 312
3 1/2 88.9 101.6 98.4 NC38 127.0 57.2 282
4 101.6 114.3 106.4 NC40 133.4 65.1 370
4 1/2 114.3 127.0 119.1 NC46 158.8 69.9 558
5 127.0 139.7 130.2 NC50 168.3 76.2 672
5 1/2 139.7 152.4 144.5 5 1/2FH 184.2 92.1 776
6 5/8 168.3 184.2 176.2 6 5/8FH 203.2 144.3 964

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