Source for Long Welding Neck Flange manufacturers at Kinhi Heavy Industry Co.,Ltd.. Find a quality supplier or manufacturer of Long Welding Neck Flange from China

Our strength is large size flange (Over 24”/DN600) and high pressure resistance flanges. The sufficient stainless stocks can give you one-stop choice.

As per standard or customer's drawing and specification.

Materials and Grade
.Carbon steels: ASTM A105(N), A350 LF2, LF3, A694, A36 etcC. / The equivalent acc. to DIN, BS, JIS ETC.
.Stainless steels: ASTM A182 F304/L, F316/L, F316Ti, F310,F317, F347, F321, F44 etc. / The equivalent acc. to DIN, BS, JIS ETC.
.Alloy steels: ASTM A182 F1, F5/A, F6, F7, F9, F11, F12, F22, F51, F55 etc. / The equivalent acc. to DIN, BS, JIS ETC.