Material:Carbon Steel:ASTM A105,ASTM A350 LF1,LF2,LF3,A36,ASTM A234 WPB,etc
Stainless Steel:ASTM A182 F304/304L, 316/316L,316Ti,321,317L,310S,etc
Alloy Steel:A182 F1,F5,F9,F11,F12,22,F22,F91,etc
Duplex Stainless Steel: S31803(SAF2205),S32750(SAF2507),S31500(3RE60)
Standard:ANSI/ASME B16.5,B16.36,B16.47,AWWA C207,DIN,BS,SABS/SANS,MSS SP44,ISO,API Flange,etc
Hunan Standard Steel Co., Ltd(HSCO) was founded in 1989 and our enterprise is the predecessor of branch of China's oil and gas pipeline science research institute, as the most authoritative pipeline engineering research organization, consists of eight backbone institute and line pipe bureau postdoctoral research stations, oil and gas pipe is "safe" the main body of the national engineering laboratory on units, is China technology center and plumbing contractor branch of China welding association director branch pipe welding unit, and a large number of sophisticated equipment and high-end talent in pipeline engineering materials, pipe welding technology, piping, special tools and pipeline construction technology, pipeline corrosion protection technology, piping nondestructive testing technology, pipeline safety evaluation, pipe information standard eight fields a leading domestic level, undertake and fulfill the country and provincial key technology research projects more than 200 items, has a number of national patent results at home and abroad, and key pipeline engineering application widely.
