API 5D oil pipe drill pipe for well drilling

Tianjin Dalipu Oil Country Tubular Goods Co.Ltd

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发表于

17年9月13日

类别

Seamless Pipes/Tubes

关键词

oil pipe drill pipe well drilling OCTG carbon steel pipe

价格/单位

US $500.00 / 公吨

最少订货量

1.00 公吨

付款方式

L/C, T/T

产品产地

China

交货时间

20 天

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产品详细信息

PROCESS FLOW SHEET
1.materials→detection→heat pipe ends→upsetting pipe ends→heat treatment→detection→alignment→friction welding→coaxial tesst→welding zone annealing→chipping edges→welding zone tempering→griding inside and outside→pressure inspection of three points→hardness test,magnetic particle tesing,ultrasonic flaw detection of the welding zone→pipe body detection,weighing,drift diameter and appearance detection→painting;marking;packing and being finished products.

standard api 5d
mate

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