Wuxi supply forging system diameter pipe, 20 # carbon steel pipe reducer The company is mainly engaged in the # 20 carbon steel pipe reducer Contact: Referring to the fact that achievement Tel: 15831789812 18713666562 diameter pipe Standard GB ANSI British standard and non-standard high-pressure stamping "made of steel plate welded pipe fittings" GB/T13401-2005 provisions diameter pipe standard diameter pipe quality should be consistent with the current national standard steel welded seamless pipe fittings "GB / T 12459-2005 Ministry of Electric Power standard GD0506 ~ 0507 National Standard (GB/T9112-2000) standards of the Ministry of Machinery (JB81-59 JB/T74-94) Petrochemical Standards (SH3406-96) standards of the Ministry of Chemical Industry (HG5010-58 HG20592-97 the Hongyuan Pipe Industry Co., Ltd. is a steel sales and tube production as one large comprehensive enterprise company is located in the pipeline equipment industry to create base - Hebei Yanshan. east Bohai Huanghua Port, north of Beijing and Tianjin, superior environment and convenient transportation company mainly engaged in various Pipe of the kinds of material: 304,304 L, 316,316 L, 321,310 S ,18-8, 16Mn, 20 #, 20G, 12Cr1MoVG, P91, 10CrMo910, 15CrMo 1 product quality: has passed ISO9001 international certification, pressure vessel manufacturing license card. 2 Finish: rust-proof black paint, anti-rust varnish, transparent anti-rust oil, hot-dip galvanizing, cold galvanizing, 3PE coating, epoxy coating.