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Información técnica

2019-03-05
Installation Method of BS1387 British Standard Hot-dip Galvanized Pipe and Welded Pipe
2019-01-22
Production process of straight welded pipe influence on yield strength of X65M steel-grade steel
2018-11-15
Chemical composition and mechanical properties of hollow structure tube in agricultural machinery
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
2018-05-30
Testing method of casing pipe
2018-05-29
Stress of API 5CT Oil Casing in Oil Well
2018-05-24
Quality control procedures of casing pipe
2018-04-19
Hydrostatic test of erw tube
2014-04-04
Pipe Welding Procedure

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