ASME B16.11 High pressure Forged Steel Union Questions

How Socket Welding Works and Classification of Socket Weld Coupling

An equal tee, otherwise called straight tee, means the branch diameter of this tee is same with the main pipe (Run pipe) diameter of this tee.
A pipe tee is defined “equal” when the bore size at the run and branch sides have the same diameter. An equal tee is, therefore, used to connect two pipes of the same nominal diameter.

5IN socket welded coupling is a commonly used forged fitting in piping systems.ASME B16.11 pipe fittings are forged pipe fittings including SW fittings and THD fittings.Socket welded coupling can socketed with the pipes and then welded on pipes.

The main purpose of using pipe caps is to waterproof the connections. They are also used to close the the ends of hydraulic or pneumatic pipes and tubes. The use of Forged End Pipe Caps is common in many industries such as oil and gas industries, chemical industries and water supply lines.

Socket Weld Fittings Specification
Shape: Elbow, Tee, Cross, Coupling, Union, Cap, Reducing Insert, Sockolet
Size Range: 1/8″ –  4″ / DN6 – DN100
Pressure Rating: Class 3000lbs, 6000lbs, 9000lbs
Standard: ASME B16.11, BS3799, EN 10241, MSS SP-83, MSS SP-97

Threaded fittings are available in pressure ratings Class 2000, 3000, and 6000; Socket welding fittings are available in pressure ratings Class 3000, 6000, and 9000. Generally, both fittings size range is 1/8″- 4″or DN6-DN100.

High Pressure Tube Fittings is available in Stainless Steel, Carbon Steel and Alloy Steel. Different from buttweld fittings, Socket Weld fittings are mainly used for small pipe diameters (Small Bore Piping); generally, for piping whose nominal diameter is NPS 2 or smaller.

Socket weld cross is a pipe fitting used to transport flow in the piping system.SW fittings are belong to forged steel pipe fittings,the other type of forged fitting is threaded fittings.Forged fittings are high pressure fittings used in many applications.

SW (socket weld) elbow is high pressure forged fitting which can used in many industries ‘ pipe systems.SW elbows have 90 deg and 45 deg.SW elbows have pressures: 3000LB,6000LB,9000LB.SS304 fittings are always used in chemical industries because of the excellent corrosion resistance.

Stainless steel sockolet is belong to forged pipe fittings,the most used pressure is Class3000.In addition,there are also class6000,class9000 for the stainless steel sockolet.

Stainless steel SW elbow used socket connection with pipes and then welded on the pipes.ASTM A182 F304 is a commonly used grade for stainless steel fittings.Stainless steel pipe fittings are popular because of the an-ti corrosive function.Stainless steel pipe fittings can used over 50 years.

ASTM A182 F316 is a popular grade for stainless steel in American Standard.Stainless steel fittings are popular because of the an-ti corrosive function.Stainless steel pipe fittings can used over 50 years.

Different from buttweld fittings, Socket Weld fittings are mainly used for small pipe diameters (Small Bore Piping); generally, for piping whose nominal diameter is NPS 2 or smaller.

Carbon Steel: ASTM A105 / A105N, ASTM A350 LF2/LF3, ASTM A694 F42 / 46 / 56 / 60 / 65, P235GH, P265GH, P280GH, P355GH
Alloy Steel: ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22
Stainless Steel: ASTM A182 F304/304L/304H, 316/316L, 321, 310S, 317, 347, 904L，1.4404, 1.4437.
Duplex Stainless Steel: ASTM A182 F51, F53, F44

Socket Weld 90 Elbow is planned for wide utilize totally different industries like oil refineries, chemical processing, petrochemical, and numerous other businesses.

Elbow is a pipe fitting that changes the direction of piping. According to the Angle, there are 45°,90° and 180° three most commonly used. Elbow material can be divided into carbon steel, alloy steel and stainless-steel.

It is usually welded directly to the pipeline to form a branch connection. Couplings do not normally allow disconnection of shafts during operation, however there are torque-limiting couplings which can slip or disconnect when some torque limit is exceeded.

ASME B16.11 is the standard contains ratings, dimensions, tolerances, marking and material requirements for forged fittings, both socket-welding and threaded. Threaded fittings are available in pressure ratings Class 2000, 3000, and 6000; Socket welding fittings are available in pressure ratings Class 3000, 6000, and 9000.

Steel tee is a T-shaped pipe fitting with three branch pipes. It is used to divide pipes to adjust flow and change direction.

A182 F316 hex nipples are short nipples made of stainless steel and have a hexagonal structure. This type of nipples plays a key role in pipeline connections and can meet the needs of different pipeline designs. Common types of stainless steel hexagonal nipples include equal-diameter hexagonal nipples and reducing-diameter hexagonal nipples.

Socket welded elbow can socket with pipes and welded on pipes.SW fittings are belong to forged fittings,the other type of forged fitting is threaded fittings.Forged fittings are high pressure fittings used in many applications.

ASME B16.11 forged fittings are popular because of the famous American Standard and the variety products.Socket weld (SW) fittings and threaded (THD) fittings are both forged fittings.Stainless steel pipe fittings are always chosen in corrosive and chemical environments.

Socket Weld Tee Material: ASTM A105 / A105N, ASTM A350 LF2/LF3, ASTM A694 F42 / 46 / 56 / 60 / 65, P235GH, P265GH, P280GH, P355GH

There are various grade for Stainless Steel Forged Pipe Fittings: ASTM A182 F304/304L/304H, 316/316L, 321, 310S, 317, 347, 904L，1.4404, 1.4437.

A105N class 3000 socket weld elbow is belong to ASME B16.11 forged fitting.These elbows can be 45 deg and 90 deg,and they can also be straight or reducing types.