GB/T1591 Q390D steel tube steel pipe

Steel Name:

GB/T1591 Q390D carbon structural steel tube, GB/T1591 Q390D high strength structural steel pipe, GB/T1591 Q390D carbon steel pipe, GB/T1591 Q390D structural steel tube

GB/T1591 Q390D steel tube,steel pipe shall be done impacting test at low temperature minus 20 degree centigrade.GB/T1591 Q390D steel tube,steel pipe is used in construction of bridges,highway construction and other engineering construction.

GB/T1591 Q390D steel tube,steel pipe Mechanical properties

Yield strength Mpa:330-390 Tensile strength Mpa:490-650

GB/T1591 Q390D steel tube,steel pipe Chemical composition(%)

GB/T1591 Q390D steel tube,steel pipe Specification

Seamless steel pipe size

Diameter:10.3mm--965.2mm

Wall thickness:1.24mm --59.54mm

Welded steel pipe size

Diameter:32mm--2220mm

Wall thickness:2mm --60mm

Additional Condition:

UT (Ultrasonic examination),AR(As Hot Rolled only),TMCP(Thermal Mechanical Control Processing),N(Normalized),Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35) ,Charpy V-Notch Impact Test,HIC test, NDT ,PWHT( Simulated Post Weld Heat Treatment),NACE0175,The Third Party Test (Such as SGS Test), Coated or Shot Blasting and Painting

There are lot of GB/T1591 Q390D steel tube,steel pipe stock in our warehouse which is nearby Shanghai and Beijing.We keep more than 1000 tons Q390D steel tube,steel pipe in stock every month.If you have any question about GB/T1591 Q390D steel tube,pls feel free contact with us by email or call.