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Integral Heavy Weight Drill Pipe

Integral Heavy Weight Drill Pipe

Product number:

Application:Drill pipes

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Product Details

Integral Heavy Weight Drill Pipe using AISI 4145H alloy steel as API specification and implementation of SY / T5146 standard.The material is formed by forging machine as one piece,heat-treated by Pit furnace, thickened at both ends of the joints and spray hardbanding in the middle of the segment.Integral Heavy Weight Drill Pipe can spray America Bianco authorized 100XT, 300XT wear-resistant materials, can be cold thread rolling, copper or phosphate processing, machine double shoulder thread and other specifications of the special thread.

Integral Heavy Weight Drill Pipe Size specification

规格 外径C 内径E 接头 管体 单根质量 Kg
型式 外径 A 内外螺纹台肩倒角 DF mm 加厚部分尺寸
中部 D mm 端部 B mm
mm in mm in mm in
I型（单根长度9300mm）
ZH-JZ66-6 5/8FH-Ⅰ 168.3 6 5/8 114.3 4 1/2 6 5/8FH 209.6 8 1/4 195.70 184.2 176.2 965
ZH-JZ55-5 1/2FH-Ⅰ 139.7 5 1/2 92.1 3 5/8 5 1/2FH 177.8 7 170.7 152.4 144.5 730
ZH-JZ50-NC50-Ⅰ 127.0 5 76.2 3 NC50 168.3 6 5/8 154.0 139.7 130.2 700
ZH-JZ45-NC46-Ⅰ 114.3 4 1/2 71.4 2 13/16 NC46 158.8 6 1/4 145.3 127.0 117.5 585
ZH-JZ35-NC38-Ⅰ 88.9 3 1/2 52.39 2 1/16 NC38 120.7 4 3/4 116.3 101.6 92.1 370
ZH-JZ29-NC31-Ⅰ 73.03 2 7/8 50.8 2 NC31 104.8 4 1/8 100.4 84.1 81.0 220
II型（单根长度13500mm）
ZH-JZ50-NC50-II 127.0 5 76.2 3 NC50 168.3 6 5/8 154.0 139.7 130.2 945
ZH-JZ45-NC46-II 114.3 4 1/2 71.4 2 13/16 NC46 158.8 6 1/4 145.3 127.0 117.5 790

Integral Heavy Weight Drill Pipe mechanical property

屈服强度 抗拉强度 伸长率δ4% 布氏硬度HB 夏比冲击功Ak （J）
≥758 ≥964 ≥13 285~341 ≥54

Integral Heavy Weight Drill Pipe Dimensional tolerance

外径C 内径E 长度L 倒角DF 内外螺纹接头外径A 加厚部分外径
D B
±0.8 ±1.60 ±150 ±0.4 ±0.8 ±0.75%D +0.8
0