Compared with other types,weld neck flanges are know for their tapered hub and gentle transition from flange thickness to pipe wall thickness. They are deformation-resistant, and are normally used for high pressure piping system, high or low temperature conditions.
Cangzhou Sinhoo Pipeline Manufacture Co.,Ltd was established in 1990, which covers 25000 square meters ,10000 square meters of workshop , have our own flange factory and pipe-fittings factory. We have got through ISO9001:2015, PED, AD2000 of Lloyd ' s register and "Factory Audit Report of TUV Rheinland Certification". We are located in "The Capital of Pipe Fittings" - Mengcun Hui Antonomous County, Cangzhou City, Hebei Province, China .We have excellent environment and convenient transportation with Xingang Port and Huanghua Port in the east.
Carbon steel: ASTM A105,ASTM A105N,GB 20,C22.8.
Alloy steel: ASTM/ASME A182 F1-F12-F11-F22- F5-F9- F91
Stainless steel: ASTM/ASME A182 F304-304L-304H-304LN-304N
ASTM/ASME A182 F316-316L-316H-316LN-316N-316Ti
Low temperature steel: ASTM/ASME A350 LF2.
High performance steel: ASTM/ASME A694 F42 , F52, F56, F60, F65, F70