• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
SCOPE 1.1 This specification covers factory-made, seamless and electric fusion-welded carbon and low-alloy steel, butt-welding fittings for use in high pressure gas and oil transmission and distribution systems, including pipelines, compressor stations, metering and regulating stations, and main ...

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At the 1994 meeting of Subcommittee F, the project to develop a standard was accepted. Through the cooperation of producers and users familiar with the process, and with approval by the Standards Committee and ASME, ASME B16.49-2000 received approval as an American National Standard on April 25, ...

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In 1959, recognizing the increasing use of short radius buttwelding fittings not covered by ASA B16.9-1958, MSS developed Standard Practice SP-59. In 1963, this Standard was submitted to Subcommittee 6 (now Subcommittee F), the B16 group responsible for welded fittings, for consideration as a ca ...

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ASME B16.25-2012  SUMMARY OF CHANGES Following approval by the ASME B16 Committee and ASME, and after public review, ASME B16.25-2012 was approved by the American National Standards Institute on October 22, 2012. ASME B16.25-2012 includes the following changes identified by a margin note, (12). ...

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This Standard covers ratings, dimensions, tolerances,marking, and material requirements for forged fittings,both socket-welding and threaded, as illustrated inTables 4 through 8 and Tables I-1 through I-5, inclusive. 1.1.1 Fitting Types/Configuration. Types of fittings covered by this Standard a ...

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The stainless steel material 304 is the most common grade in industry field.In steel piping systems,there are pipes,fittings,flanges and other products are made from 304 stainless steels. Grade 304 is an austenitic steel with chromium and nickel as the key elements.Based on these elements 304 st ...

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ASTM A403 WP304H material is a kind of common stainless steel.It is widely used to connect the piping systems in equipment and pipelines which require a good comprehensive performance(heat and corrosion resistance). ASTM A403 WP304H stainless steel pipe fitting should be connected with the 304H ...

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ASTM A403 WP304H pipe fitting mean the pipe fitting which material is wrought austenitic stainless and grade is ASTM A403 WP304H.This material has a high carbon content in chemical compositions.It is used for the pressure piping systems of moderate and high temperature services.WP304H is a kind ...

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Haihao Group will attend the 11th International Tube Pipe Trade Fair for Southeast Asia,the exhibition will be held at 19-21 September 2017 in Thailand. Tube Southeast Asia 2017 is the region’s leading procurement and networking platform that connects you to key local and global manufactur ...

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ASTM A403 WP304L material is a common stainless steel material.It is widely used to make for equipment and parts which require a good comprehensive performance(corrosion resistance and formability).In order to keep inherent corrosion resistance of stainless steel,it must contain more than 16% ch ...

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ASTM A403 WP304L pipe fitting means the pipe fitting which material is wrought austenitic stainless grade WP304L,they are used for the pressure piping systems of moderate and high temperature services.ASTM A403 is the standard of pipe fittings material,it indicates the materials properties of di ...

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ASTM A234 WP91 pipe fittings are butt welding ends,which commonly used to be welded with the ASTM A213 T91,A200 P91,A336 F91,A199 T91,A369 FP91,A335 P91 steel pipes.The ASTM A234 WP91 pipe fitting contain elbow,tee,reducer,caoss,cap etc. ASTM A234 WP91 Pipe Fittings In Haihao Group The ASTM A23 ...

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ASTM A234 WP91 pipe fittings are butt welding ends,which commonly used to be welded with the ASTM A213 T91,A200 P91,A336 F91,A199 T91,A369 FP91,A335 P91 steel pipes.The ASTM A234 WP91 pipe fitting contain elbow,tee,reducer,caoss,cap etc. ASTM A234 WP91 Pipe Fittings In Haihao Group The ASTM A23 ...

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ASTM A234 WP91 pipe fitting means the pipe fitting which material is ASTM A234 WP91,they are used for the pressure piping systems of moderate and high temperature services.ASTM A234 is the standard of pipe fittings material,it indicates the materials properties of different kinds of carbon st ...

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ASTM A234 WP22 pipe fittings are butt welding ends,commonly used to be welded with the ASTM A335 P22 steel pipes.The regular products of A234 WP22 pipe fittings are elbows,tees,reducers,caps,cross etc.(What is ASTM A234 WP22 pipe fitting?) The ASTM A234 WP22 pipe fitting has its unique character ...

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ASTM A234 WP22 pipe fitting mean the pipe fitting which material is ASTM A234 WP22,they are used for the pressure piping systems of moderate and high temperature services.ASTM A234 is the standard of pipe fittings material,it indicates the materials properties of different kinds of carbon steel ...

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ASTM A234 WP11 pipe fitting have butt welding pipe ends,commonly used to be welded with the ASTM A335 P11 steel pipes,and ASTM A182 F11 forged flanges and pipe fittings. ASTM A234 WP11 is the most widely used pipe fittings material in high temperature conditions,it have better performance for th ...

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ASTM A234 WP11 pipe fitting mean the pipe fitting which material is ASTM A234 WP11,they are used for the pressure piping systems of moderate and high temperature services.ASTM A234 is the standard of butt welding pipe fittings material,it indicates the materials properties of different kinds of ...

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ASTM A234 WP9 pipe fittings are butt welding pipe fittings,the products include elbows,tees,reducers and caps etc.They are commonly used to be welded with the ASTM A335 P9 steel pipes and ASTM A182 F9 forged pipe fittings and forged flanges. ASTM A234 WP9 is low content alloy steel material,it h ...

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ASTM A234 WP9 pipe fittings mean the pipe fittings which material is ASTM A234 WP9,they are used for the pressure piping systems of moderate and high temperature services.ASTM A234 is the standard of pipe fittings material,it indicates the materials properties of different kinds of carbon steel ...

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ASTM A234 WP5 steel pipe fittings are butt welding ends,commonly used to be welded with the ASTM A335 P5 steel pipes and ASTM A182 F5 piping products which includes the A182 F5 forged flanges and ASTM A182 F5 pipe fittings. ASTM A234 WP5 is low content alloy steel,the hardness is higher than ...

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ASTM A234 WP5 steel pipe fitting material is ASTM A234 grade WP5,they are used for the pressure piping systems of moderate and high temperature services.A234 indicates the materials properties of different kinds of carbon steel and alloy steel,WP5 is one of the steel grade in this standard.W mea ...

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ASTM A182 F51 pipe fittings are forged pipe fittings,commonly used to be socketed or threaded connecting with the steel pipes or fittings. The ASTM A182 F51 pipe fitting has its unique characteristics to use: ASTM A182 F51 Pipe Fitting Forming (1)High strength and plasticity in high temperature ...

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ASTM A182 F51 pipe fitting mean the pipe fitting which material is ASTM A182 F51,which are used for the forged piping systems of high temperature services.ASTM A182 is the standard of forged or rolled alloy-steel pipe flanges, forged fittings,and valves and parts material,it indicates the materi ...

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