Piyush steel is a largest manufacturer and distributor of alloy 20 socket weld fittings and different types of forged fittings used in pipes. With our industry oriented business policy the products we produce meet the requirements and standards set by steel industries and this helps us in maintaining competitiveness in the market. With technical expertise and state of the art technology, the fabrication processes we develop are unique and indigenous to our company. By developing comprehensive range of products our presence is felt across the globe and therefore we manage to earn significant revenue through our exports. Apart from producing steel our company maintains strict quality policy so that the trust of customers should not fade in our products.
Table Of Content
Description of product-
Socket weld pipe fittings can be defined as a pipe arrangement in which pipe is inserted into small area of fitting, valve and flanges. These are used for joining pipes with small diameter. Unique thing about these fitting is that fillet welds are used which lowers the fatigue resistance which makes it good from other pipe fittings. These are mostly used in those industries where transportation of expensive flammable liquids is done and in these liquids even a slight leakage could turn disastrous. The structure of socket weld fittings avoids the above mentioned problem. These fittings are available in different pressure ratings. The alloy which is used in this fitting is alloy 20, which operates by forming carbides and solid solution.
Advantages of product-
• Alloy 20 socket weld fittings are very appropriate for industrial use and remains in demand because of the qualities it offers. The advantages that make it suitable for particular operation are
• The structure of fittings is not required to be leveled as the design makes it thermally stable.
• Temporary welding is not required for alignment because design standards makes it automatically aligned
• Unlike other fitting, in which the weld metal penetrates into the bore of the pipe in socket weld fittings such things do not happen.
• Leakage in these fittings is smaller as it can be used in place of threaded fittings.
• Inspection tests like magnetic particle and surface examination can be used for these fittings.
• Construction costs are lower than other fittings because there is an elimination of special machining for butt end weld preparation.
Types of socket weld fittings-
Various types of alloy 20 socket weld fittings are used according to the requirement of the operation and these are
1. Carbon steel socket weld fitting
2. Alloy steel SW fittings
3. Stainless steel socket weld fittings
4. Socket weld elbow
5. Socket weld tee
Because of alloy 20 socket weld fittings industrial oriented design it is in high demand and meets all the requirements of a good fitting. It is used in various industries and some of the industries are
• Offshore oil drilling companies
• Medical science
• Power station
• Pharmaceuticals equipments
• Heat exchangers
• Pulp and paper industry
Quality and testing-
Our company has a unique set of procedures for maintaining the high quality of products. At each step two way procedures is followed, first the quality checking department personnel look for any unfinished side or defect and then in the second use of technical software is done to ensure zero defects. Various tests are performed to check to the authenticity of alloy 20 used in socket weld fitting and some of those tests are hardness test, flattening test, pitting resistance tests and other nondestructive tests. Documentation and packaging Different types of documents are provided for the authenticity of the product like raw material test reports, material traceability records, heat treatment charts, and fumigation certificates. As far as the packaging of alloy 20 socket weld fittings is concerned there is no complain because it is tightly packed and covered in wooden boxes and are properly shipped.
Specification : ASTM B462 / ASME SB462
Dimension Standard : ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size : 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)
Class : 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Type : Socketweld Fittings, Screwed-Threaded Fittings
ASTM B462 - ASME SB462 : Standard Specification for Wrought Alloy 20 Piping Fittings
ASME B16.11 : Socket Welding and Threaded Forged Fittings
MSS SP-43 : Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
MSS SP-95 : Swage(d) Nipples and Bull Plugs
BS3799 : Specification for Alloy 20 pipe fittings, screwed and Socket-welding for the petroleum industry
|Alloy 20||0.07 max||2.00 max||1.00 max||0.035 max||3.00 – 4.00||32.00 – 38.00||19.00 – 21.00||29.85 min*||2.00 – 3.00||0.045 max|
|Element||Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|Alloy 20||8.1 g/cm3||1443 °C (2430 °F)||Psi -80,000, MPa -551||Psi - 35,000, MPa - 241||30 %|
The full identification of the Socket Weld fittings should be continuously marked down its whole length, including :
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