Forged Socket Weld Fittings Boss

Socket Weld Boss

Table of Content

Kaizen Steel Industries is a leading exporter & supplier of Forged Socket Weld Fittings Boss, offering high-quality ASME B16.11 / BS3799 Boss fittings at the best prices in the market. Our Forged Socket Weld Boss is specifically designed for use with ASME pipes.

Our Forged Pipe Fittings and Forged Socket Weld Fittings adhere to strict standards, covering aspects such as pressure, tolerances, dimensions, temperature ratings, marking, and material requirements. These fittings are ideal for high-pressure applications.

A Socket Weld Boss is a type of pipe fitting that extends from a workpiece. It features a finishing edge around a gap that allows for temporary or semi-permanent joining of two items. This fitting is used to facilitate smooth functioning in various applications.

Examples of where Socket Weld Boss Fittings are used include:

  • Washer Drum Rotation Spindles: Helps in the rotation mechanism.
  • Mower Cutting Blade Cylinders: Allows one side of the blade to advance while the other side remains fixed.

A Socket Weld Boss serves as a connector between two components, ensuring they work together effectively.

Socket Weld Boss Specifications

Specifications ASTM A182, ASTM SA182
Dimension ASME B16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799
Size  1/8″ NB TO 4″ NB
Type Socket Weld (S/W) & Screwed (SCRD)
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Form  Equal Boss, Forged Boss, Boss

Socket Weld Boss Pipe Fittings Manufacturing Standards

ASME Standard ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97
DIN Standard DIN28011, DIN2617, DIN2616, DIN2615, DIN2605
EN Standard EN10253-2, EN10253-1
ASME B16.11 Socket Weld Fittings, Socket – Welding and Threaded
ASTM A182 – ASME SA182 Standard Specification for Wrought Austenitic SS Piping Socket Weld Fittings
MSS SP-95 Swage(d) Nipples and Bull Plugs

Forged Socket Weld Boss Materials and Grades

Stainless Steel Socket Weld Boss ASTM A403 WP Gr. 304, 304L, 304H, 310, 316, 316L, 316H, 316Ti, 317L, 321, 347, 904L
Carbon Steel Socket Weld Boss ASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42
Low Temperature Socket Weld Boss ASTM A420 WPL6, ASTM A420 WPL3
Alloy Steel Socket Weld Boss ASTM / ASME A/SA 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91
Duplex & Super Duplex Steel Socket Weld Boss ASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, UNS S32750, UNS S32950. Werkstoff No. 1.4462
Nickel Alloy Socket Weld Boss UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200)

Socket Weld Boss Fittings Types BY Size, Class, and Wall Thickness

Description Class Designation
3000 6000 9000
Bosss 1/2 – 4 1/2 – 2 1/2 – 2
1/2 – 4 1/2 – 2 1/2 – 2
1/2 – 4 1/2 – 2 1/2 – 2
Pipe Size by Wall Thickness SCH 80 / XS SCH 160 XXS

ASME B16.11 Socket Weld Boss Dimensions

NPS Socket bore dia B depth min J End to End R End to End L End to End L1 socket wall thickness min – C Bore diameter of fitting – D
1 33.80-34.30 13 40 41 96 5 25.9-27.4
1/2 21.70-22.20 10 30 32 82 4.1 15.0-16.6
1/4 14.10-14.60 10 25 26 62 3.3 8.5-10.0
1.5 48.65-49.15 13 55 45 112 5.55 40.1-41.7
1.25 42.55-43.05 13 45 43 105 5.3 34.3-35.8
2 61.10-61.60 16 55 57 125 6.05 51.7-53.5
3/8 17.55-18.05 10 30 27 66 3.5 11.8-13.3
3/4 27.05-27.55 13 30 37 88 4.25 20.2-21.7

ASME B16.11 Socket Weld Boss Fittings Dimensions Tolerance

Socket Weld Boss ASME B16.11 Tolerance (Boss) Boss
Socket Weld Fitting Dimension (NPS) Outside Diameter at Bevel Inside Diameter at End Wall Thickness T Center-to-End Dimension A ,C ,B
1/2 to 2-1/2 +0.06 Not less than 87.5% of nominal thickness +/- 0.06
-0.03
3 to 3-1/2 +/- 0.06 +/- 0.06 +/- 0.06
4 +/- 0.06 +/- 0.06 +/- 0.06
5 to 8 +/- 0.06 +/- 0.06 +/- 0.06
10 to 18 +0.16 +/- 0.12 +/- 0.09
-0.12
20 to 24 +0.25 +/- 0.19 +/- 0.09
-0.19
26 to 30 +0.25 +/- 0.19 +/- 0.12
-0.19
32 to 48 +0.25 +/- 0.19 +/- 0.19
-0.19

ASME B16.11 SS Socket Weld Boss Angularity Tolerance

ND Max off angle Max off plane
Q P
1/2 a 4 1 2
5 a 8 2 4
10 a 12 3 5
14 a 16 3 7
18 a 24 4 10
26 a 30 5 10
32 a 42 5 13
44 a 48 5 20

SW Boss - Industries & Applications

Our Socket Weld Boss is versatile and used in numerous applications across various industries. Key areas include:

  • Gas Processing: Ensures reliable connections in gas handling systems.
  • Petrochemical: Supports piping in the petrochemical sector.
  • Power Generation: Used in power plants for robust pipe fittings.
  • Food Processing: Assists in processing equipment where sanitary fittings are crucial.
  • Chemical: Provides secure connections in chemical processing systems.
  • Oil & Gas: Essential for reliable fittings in oil and gas operations.
  • Fertilizers: Used in fertilizer production facilities.
  • Sugar: Helps in processing and manufacturing within the sugar industry.

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