With the continuous development of global economy, shipbuilding industry plays an increasingly important role in the process of economic construction. The demands of shipping trade and warship construction have brought new challenges and requirements to shipyards.
Haihao Group is one of the biggest piping manufacturers & suppliers in China,our products contain seamless steel pipes, welded steel pipes, casing and tubing pipes, butt welding pipe fittings, forged pipe fittings, forged flanges.We produce the products in different dimensions,specifications,standards,materials,and which are used for various industries such as shipbuilding industry,oil and gas industry,water treatment industry,power plant industry,chemical industry,construction industry and other industry all over the world.
Galvanized BS4504 plate flanges
Size of piping products used for shipbuilding industry:
Seamless steel pipes OD: 33mm-457mm
Welded steel pipes OD:
ERW pipes OD: 21.3mm-610mm
SSAW pipes OD: 219mm-3500mm
LSAW pipes OD: 406.4mm-1422.4mm
Butt welding pipe fittings dimensions: 1/2″-72″,DN15-DN1800
Forged pipe fittings dimensions: 1/8″-4″
Forged flanges dimensions: 1/2″-192″,DN15-DN4800
Wall thickness of piping products used for shipbuilding industry: SCH10 – SCH160
Material of piping products used for shipbuilding industry:
Carbon steel:
Materials of carbon steel seamless/welded steel pipes: ASTM A106 Gr.B, ASTM A53 Gr.B, API 5L PSL1/PASL2 Gr.B, etc.
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/flanges: ASTM A105,A350 LF2,etc.
Stainless steel:
Materials of stainless steel seamless/welded steel pipes: ASTM A312 Gr TP304, TP316, TP321, TP347, 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/flanges: ASTM A182 F304, F304L, F316, F316L, F321, F347, F310, F44, F51,etc.
Alloy steel:
Materials of alloy steel seamless/welded steel pipes: ASTM A53 Gr.B, ASTM A333 Gr.3,Gr.6 , ASTM A335 Gr P1,P5,P9,P11,P12,P22, API 5CT H40,J55,K55,N80,N80-Q,R95,M65,L80,L80-9Cr,L80-13Cr,C90,T95,C110,P110,Q125,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/flanges: ASTM A182 F1, F5, F9, F11, F22, F91, ASTM A694 F42, F46, F52, F56, F60, F65, F70, etc.
Standard: American standard,European standard, Japanese standard, Russian standard, National standard, etc.
Client countries: Germany, Britain, Russia, southeast Asia, Africa and other countries.
Haihao Group supplies pipes, fittings and flanges to shipyards all year round, and is a manufacturer with its own team and advanced production technology. We have been serving our customers for more than 30 years with our professional working ability, high quality products and timely delivery time. Last month, we just delivered a batch of goods to Malaysia for the construction of warships, including various pipes,pipe fittings and flanges, which have obtained ABS, BV, CCS and other relevant certifications and won the approval of the customer.
Any questions or requirements about our products, please feel free to contact us.Email: sales@haihaogroup.com
