Types of marine pipe fittings

The pipe connection of ship system is complicated and the pipe fittings play an important role in the ship system.The connection between pipes, the control of fluid in pipes, the change of direction and diversion, and the sealing and support of pipes are all inseparable from pipe fittings. We manufacture & supply many types of marine pipe fittings(which contain butt welding pipe fittings and forged pipe fittings) such as pipe 45°/90°/180° elbows, equal/reducing/lateral/barred tees, concentric/eccentric reducers, caps, 3D/5D/7D bends, cross,outlet, stub end,etc.


Butt welding pipe fittings: 1/2″-72″,DN15-DN1800

Forged pipe fittings: 1/8″-4″

Wall thickness: SCH10-SCH160


Materials of carbon steel butt welding pipe fittings: ASTM A234 WPB,ASTM A234 WPC,ASTM A420 WPL6,MSS SP-75 WPHY42,WPHY52,WPHY60,WPHY65,WPHY70,S235,S355,ST37.2,SS400,GOST CT20, etc.

Materials of carbon steel forged pipe fittings: ASTM A105,A350 LF2,etc.

Materials of stainless steel butt welding pipe fittings: ASTM A403,ASTM A312,WP304,WP304L,WP316,WP316L,etc.

Materials of stainless steel forged pipe fittings: ASTM A182 F304, F304L, F316, F316L, F321, F347, F310, F44, F51,etc.

Materials of alloy steel butt welding pipe fittings: ASTM A234 WP1,WP5,WP9,WP11,WP22,WP91,ASTM A860 WPL6,etc.

Materials of alloy steel forged pipe fittings: ASTM A182 F1, F5, F9, F11, F22, F91, ASTM A694 F42, F46, F52, F56, F60, F65, F70, etc.

Standard: American standard, German standard, Japanese standard, National standard, etc

Standards of butt welding pipe fittings:

ASME B16.9, ASME B16.28; DIN EN 10253; GOST 17375, 17376, 17378, 17379, 17380, 30753; JIS B2311, B2312, B2313; KS B1522, B1541, B1543; MSS SP-43,SP-75; GB/T 12459, GB/T 13401, SH/T 3408, HGJ528, SY/T0510,etc.

Standards of forged pipe fittings: ASME B16.11.

Haihao Group has supplied various Marine pipe fittings for new and old customers for more than 30 years, with a number of professional and stable production lines. From the theoretical knowledge of Marine pipe fitting, production process, packaging and transportation to practical application have a solid basic skills, by the customer’s praise.

Our Marine pipe fitting price and quality are very advantageous, if you are interested in marine pipe fitting or have any needs, please contact us, we will wholeheartedly for your service.Email:sales@haihaogroup.com