Cangzhou Bohai Pipe Co., Ltd. specializes in producing steel elbow GB / T8713-1988 (hydraulic and pneumatic cylinder with precision diameter seamless steel tubes). Mainly for the production of cold-drawn or hydraulic and pneumatic cylinder with a diameter size with precision seamless steel tubes. The representative material for 20,45 steel. GB13296-1991 (boiler, heat exchanger with stainless steel seamless pipe). Alloy steel elbow DN500. Mainly used in chemical boiler, superheater, heat exchangers, condensers, catalytic tubes. P91 alloy steel elbow. With a high temperature, high pressure, corrosion-resistant steel. The representative material for 0Cr18Ni9,1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti like. GB / T14975-1994 (structure seamless stainless steel). Mainly used for general structures (hotels, restaurants decoration) and the chemical industry mechanical structural resistance to atmospheric acid corrosion and has a certain strength of steel. Alloy steel elbow. The representative material for 0-3Cr13,0Cr18Ni9,1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti and other Cangzhou Bohai Pipe Co., Ltd. specializes in producing steel elbow P91 alloy tube according to GB / T8162-87 provisions 4.1 specification: Hot tube diameter 32 ~ 630mm. Wall thickness 2.5 ~ 75mm. Q345 steel elbow. Cold-rolled (cold drawn) tube diameter 5 ~ 200mm. Wall thickness of 2.5 ~ 12mm. 4.2, the appearance of quality: internal and external surfaces of the steel pipe must not have cracks, folded, rolled off, separation, hairline and scarring defects. These defects should be completely removed, the wall and not the outer diameter than the negative deviation after clearing. P91 alloy steel elbow, steel elbow, Ltd. Cangzhou Bohai Bohai Sea by Cangzhou tube. Cangzhou Bohai Tube Co., Ltd. (www.czbh628.com) (www.hbbh628.com) strong, credible, three-way, etc. Hebei Cangzhou accumulated a large number of loyal customers. The company better work attitude and constantly improving Cangzhou Bohai innovative ideas will lead into the brilliant and you work for a better future!