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
material E-75,X-95,G-105,S-135
application for well drilling
thread tye IF FH REG NC
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相关证明的文件
没有发现相关证明的文件。
公司详细资料
TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO.,LTD is a modern professional industry and trade combined enterprise, specia...