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2019-07-22
Preheat of X80 pipeline steel
2019-07-02
Decarburization on steel pipe
2019-06-21
Drill pipe connection thread
2019-06-13
Residual Stress
2019-05-28
Heating temperature of tube billet for seamless tube
2019-05-24
Affect factors for toughness of steel
2019-05-23
AS1163 Cold-formed structural steel hollow sections
2019-05-16
Weld coefficient of welded steel pipe
2019-05-15
The forming process of seamless pipe fittings elbow
2019-03-19
Mechanical properties of X70 spiral submerged arc welded steel tube
2019-03-05
Installation Method of BS1387 British Standard Hot-dip Galvanized Pipe and
2019-01-22
Production process of straight welded pipe influence on yield strength of X
2018-11-15
Chemical composition and mechanical properties of hollow structure tube in
2018-11-05
Process control method in production of N80-1 non-tempered seamless casing
2018-08-20
Welding cold crack test of X80 pipeline steel

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