Haihao Group is proud to announce the successful production of a batch of ASME B16.11 concentric reducer nipple (SWAGE) ASTM A815 UNS S31803 for a valued client in Singapore. T ...

ASME B16.11 – Forged Fittings, Socket-Welding and ThreadedASME B16.11 – Forged Fittings, Socket-Welding and Threaded1 SCOPE1.1 GeneralThis standard covers ratings, dimens ...

At Haihao Group, we continue to support our global clients with high-quality pipeline components tailored to meet specific project needs. Recently, we successfully delivered a ...

The ASME B16.5 standard governs the specifications for pipe flanges and flanged fittings used in various piping applications. This standard is widely recognized in industries s ...

The ASME B16.5 standard governs the specifications for pipe flanges and flanged fittings used in various piping applications. This standard is widely recognized in industries s ...

BS 1740 – wrought steel pipe fittings (screwed BS 21 R-series thread). Metric units This British Standard is the official English language version of EN 10241:2000. It su ...

1.1 Scope This British Standard specifies requirements for forged carbon and alloy steel screwed and socket-welding fittings for use in the petroleum and petrochemical industry ...

Haihao Group has successfully completed the production of a significant order for a Russian client, showcasing our expertise in manufacturing high-quality piping components. Th ...

In December, Haihao Group successfully completed an order for a South Korean client, supplying a range of ASME B16.9 pipe fittings made from ASTM A234 WPB material. This shipme ...

ASTM A694 GR. F65 is a high-strength carbon steel material widely used in the manufacturing of flanges, fittings, and other components for high-pressure pipeline systems. This ...

JIS B2316 Socket Weld 45 Deg ElbowJIS B2316 Socket Weld 90 Deg ElbowJIS B2316 Socket Weld Y TeeJIS B2316 Socket Weld TeeJIS B2316 Socket Weld CapJIS B2316 Socket Weld CrossJIS ...

MSS SP-83 Socket Welding and Threaded Steel Pipe Unions1 .SCOPE1.1 This Standard Practice establishes envelope and other essential dimensionals, finish, tolerances, testing, ma ...

MSS SP-95 Threaded Swaged Nipples1.1 This standard covers dimensions, finish, tolerances, marking and material for carbon steel and alloy steel Swaged Nipples (male end reducin ...

1. SCOPE1.1 This Standard Practice covers essential dimensions,finish,tolerances,testing,marking,material and minimum strength requirements for 90 and 45 degree integrally rein ...

Haihao Group recently completed the delivery of a batch of DIN2605 304L 90° SMLS elbow pipe fittings to a valued client in the Netherlands. This batch, consisting of 160 high-p ...

Haihao Group is proud to announce the successful production of a batch of ASME B16.11 concentric reducer nipple (SWAGE) ASTM A815 UNS S31803 for a valued client in Singapore. T ...

At Haihao Group, we continue to support our global clients with high-quality pipeline components tailored to meet specific project needs. Recently, we successfully delivered a ...

ASTM A234 WPL6 Alloy Steel 45 Deg ElbowASTM A234 refers to pipe fittings of wrought carbon steel and alloy steel for use in moderate and elevated temperatures. Typical applicat ...

Din 17175 ST 35.8 seamless steel tubes for boiler1. DIN 17175 ST 35.8 Seamless Steel Tubes for Boiler Industry Heat-resisting seamless steel tube, used for the pipelines of boi ...

S235JR steel plate is one mainly of Carbon and low alloy steel, S235JR steel plate is a type of steel sheet under EN standard which is used to build ship, bridge, belongs to hi ...

P235GH is a European specified steel for use in pressure vessels, boilers and heat exchangers. The composition of this steel makes it ideal for applications where elevated work ...

Stocks of boiler plate steel ready to be supplied as plate, cut plate, or profiles (cut shapes) and certified to EN 10028:2 P265GH are available from Brown McFarlane Limited. E ...

P355GH steel plate, EN10028 P355GH steel plates is a kind of material for boiler and pressure vessel steel. EN10028 P355GH steel plates is characterised by a minimum yield stre ...

GB 20 Carbon Steel ElbowThis group of Chinese (GB) standard specifications covers carbon and alloy steel plates and forgings used in boilers and pressure vessels, high-strength ...

Haihao Group has successfully completed the production of a significant order for a Russian client, showcasing our expertise in manufacturing high-quality piping components. Th ...

In December, Haihao Group successfully completed an order for a South Korean client, supplying a range of ASME B16.9 pipe fittings made from ASTM A234 WPB material. This shipme ...

ASTM A694 GR. F65 is a high-strength carbon steel material widely used in the manufacturing of flanges, fittings, and other components for high-pressure pipeline systems. This ...

JIS G3101 SS400 JIS G3101 SS400 steel plate/sheet, under JISG3101 standard, we can regard SS400 steel plate/sheet for general purpose structural steel.JIS G3101 SS400 is a tech ...

DIN 2393 ST52-3 steels is a low alloy, high strength structural steel which can be readily welded to other weldable steel. With its low carbon equivalent, ST52-3 steel possesse ...

Haihao Group recently completed the delivery of a batch of DIN2605 304L 90° SMLS elbow pipe fittings to a valued client in the Netherlands. This batch, consisting of 160 high-p ...

ASME B16.11 Hex Head BushingASME B16.11 Flush BushingUHex Head BushingFlush BushingDNNPSA(Length)F(Width Flat)G(Hex Height)WeightVolumeWeightVolume81/4”111630.010.005*10-30.006 ...

Haihao Group is proud to announce the successful production of a batch of ASME B16.11 concentric reducer nipple (SWAGE) ASTM A815 UNS S31803 for a valued client in Singapore. T ...

ASME B16.11 Hex Head Plug DNNPSA(Length)E(Diameter of head)D(Length)WeightVolume61/8”1010350.020.004*10-381/4”1114410.050.009*10-3103/8”1318410.080.014*10-3151/2”1421440.1 ...

pressureDNNPSABDC(Ave)C(Min)GJClass 300061/8″810.86.93.183.182.419.5Class 300081/4″814.29.33.783.33.029.5Class 3000103/8″817.612.64.013.53.29.5Class 3000151/2 ...

ASME B16.11 Socket Weld CapA Socket Weld is a pipe attachment detail in which a pipe is inserted into a recessed area of a Valve, fitting or flange. In contrast to butt weld fi ...

Socket Weld Tee Dimensions Socket Weld 90°Elbow、Tee、Cross DimensionsClassDNNPSABDC(Ave)C(Min)GJ300061/8″1110.86.93.183.182.419.581/4″1114.29.33.783.33.029.51 ...

DNNPSA(Length)B(Height of Square)WeightVolume61/8”1060.010.002*10-381/4”1160.020.004*10-3103/8”1380.030.007*10-3151/2”14100.060.012*10-3203/4”16110.100.020*10-3251”19130.180.03 ...

pressureDNNPSC(Center to End)D(O.D)G(Min Thickness)B(Length of Thread)L2(Length of Thread)Class 200061/8″17223.186.46.7Class 200081/4″17223.188.110.2Class 2000103/8 ...

pressureDNNPSADGBJClass 200061/8″21223.186.46.7Class 200081/4″21223.188.110.2Class 2000103/8″25253.189.110.4Class 2000151/2″28333.1810.913.6Class 200020 ...

pressureDNNPSP(Center to End)D(Outside Diameter)G(Wall Thickness)B(Length of Thread)L2(Length of Thread)Class 300061/8″19164.86.46.7Class 300081/4″25194.88.110.2Cla ...

pressureDNNPSW(Center to End)D(Outside Diameter)G(Wall Thickness)B(Length of Thread)L2(Length of Thread)WeightVolumeClass 300061/8”32164.86.46.70.060.009*10-3Class 300081/4”351 ...

pressureDNNPSHAJG1G2BL2LClass 300061/8”1919253.182.746.46.710Class 300081/4”2522323.33.228.110.211Class 3000103/8”3225383.53.59.110.413Class 3000151/2”3828414.094.1610.913.614C ...

At Haihao Group, we continue to support our global clients with high-quality pipeline components tailored to meet specific project needs. Recently, we successfully delivered a ...

Haihao Group has successfully completed the production of a significant order for a Russian client, showcasing our expertise in manufacturing high-quality piping components. Th ...

In December, Haihao Group successfully completed an order for a South Korean client, supplying a range of ASME B16.9 pipe fittings made from ASTM A234 WPB material. This shipme ...

ASTM A694 GR. F65 is a high-strength carbon steel material widely used in the manufacturing of flanges, fittings, and other components for high-pressure pipeline systems. This ...

A pipe union is a secure and semi-permanent connection between two pipes. Most pipe unions consist of two pipes connected together via a third piece. All three are threaded to ...

MSS SP-95 swage nipples dimensionsMSS SP-95 Swaged Nipples and Bull Plugs covers dimensions, finish, tolerances, marking and material for carbon steel and alloy steel Swaged Ni ...

pressureNPSABCDEClass 30001/2″25.435.7123.0115.814.28Class 30003/4″26.9843.6529.3620.9314.28Class 30001″33.3350.836.5126.6419.84Class 30001 1/4″33.3365. ...

pressureNPSABCClass 30001/2″25.435.7123.81Class 30003/4″26.9843.6529.36Class 30001″33.3350.836.51Class 30001 1/4″33.3365.0844.45Class 30001 1/2″34 ...

Socket welding and threaded lateral tee are made from steel forgings refer to ANSI/ASME B16.11 standard, they are used for small size and high pressure piping systems.The socke ...

Haihao Group recently completed the delivery of a batch of DIN2605 304L 90° SMLS elbow pipe fittings to a valued client in the Netherlands. This batch, consisting of 160 high-p ...