Admisceri maculam ferream tubi materialis: 12Cr1MoVG, 12CrMoG, 15CrMoG, 12CR2MO< A335P22> et Cr5Mo<A335P5> , Cr9Mo<A335P9>, 10 cr9mo1vnb<A335P91>, 15 nicumonb5<WB36>

Exsequendam signaGB5310-1995, GB6479-2000,GB9948-2006 petroleum crepuit, DIN17175-79;ASTM SA335, ASTM SA213, JISG3467-88, JISG3458-88.

Producta idonea sunt caliditas, humilis temperatus et corrosio resistens, inconsutilem fistulae chalybem adhibentur in petroleum, chemica, electrica potentia et boiler industriae.