Rotary Drill Pipe|-hysteeltube

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Rotary Drill Pipe

1、Product Features
Rotary drill pipe is a wearing part of rotary drilling rig. HYST has self-developed the pipe used for rotary drilling series, including HG550, HG650 and HG850, which features that good strength and tenacity, wonderful weldability as well as geometric dimension (e.g. OD, WT, out-of-roundness, straightness)with high precision and premium surface quality. It can absolutely compare with the like products abroad.
2、Production Range
OD: 42mm～760mm WT: 4mm～120mm
3、Steel Grade and Properties
Technical standard: GB 34109 or technical agreement.

Properties of Steel Pipe
Steel Grade	Delivery Condition	Yield （MPa）	Tensile （Mpa）	Elongation （%）	R.A. （%）	Absorbed-energy (J)
Steel Grade	Delivery Condition	Not Less Than
Q345B	Hot Rolling or Normalization	470	345	20	—	20℃(AKV2)	34
27SiMn	Quenching+Tempering	980	835	12	40	20℃(AKU2)	39
30CrMo	Quenching+Tempering	930	735	12	50	20℃(AKU2)	71
35CrMo	Quenching+Tempering	980	835	12	45	20℃(AKU2)	63
42CrMo	Quenching+Tempering	1080	930	12	45	20℃(AKU2)	63
HG550	Quenching+Tempering	650	550	20	—	-20℃(AKV2)	34
HG650	Quenching+Tempering	750	650	14	—	-20℃(AKV2)	40
HG850	Quenching+Tempering	980	835	12	—	-20℃(AKV2)	63

4、 Application Fields
Rotary drill pipe & tube such as 27SiMn、35CrMo、HG550、HG650 and HG850 are mainly applied in combined drill pipe used for manufacturing of rotary drill rig.

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