specificaţii de combinate de ASTM A53碳ţevi fărăsudurădin oţel连续combinate de ASTM A53 numele de碳fărăsudurădin oţelţeavăprocesul metoda包/衰退层压板trase dimensiunea 1/2“-36”(diametrul外:6.0 -720毫米;grosimea peretelui: 2.0 -60毫米)grosimea peretelui Sch10, Sch20, Sch30,性病,Sch40, Sch60, X, Sch80, Sch100, Sch120 lungime fixă:3.0,5.8,5.85,5.9,6.0,11.8,12.0;lungime aleatorie: 5-12m标准API5L、EN10204 de DIN17175/1629 ASTMA106 / combinate A53 ASME b36.10m - 1996 JIS G3452 JIS G3454 JIS G3455 JIS G3456 JIS G3457 JIS G3461材料10 #、20 #、45 #,CK45, 16 mn, Q235, combinate A53 (A、B), A106 (B, C), A179, 192年,Gr.B×, 46 X 52 X 60 X 65 X 70 X 8045 #, Q345, ST37, ST44, ST45, ST52; STBG42, STPT42,STB42、STS42 STPG410, STPG370 toleranţă+ 1% ~ -1% Greut toleranţă+ 12,5% ~ -10% suptafetelor negru绘画,lac vopsea、南美anti-rugina,包zincat,衰退galvanizate, 3 pe等aplicatii de combinate de ASTM A53碳ţevi fărăsudurădin oţel: Petroliere chimice alimentare gaz apa Metalurgie纳瓦constructii constructii等等