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Buttweld Fittings

ASME B16.9 BUTTWELD LAP JOINT STUB END

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SPECIFICATIONS OF ASME B16.9 BUTTWELD LAP JOINT STUB END

Sizes: 1/2” TO 36” (SEAMLESS UPTO 24”) (WELDED 8” TO 36” )

Standards: ASME / ANSI – B 16.9
ASTM A403 – ASME SA403 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’
API 590-605
ASME B16.9 – ‘Factory-Made Wrought Buttwelding Fittings’
ASME B16.25 – ‘Buttwelding Ends’
ASME B16.28 – ‘Wrought Steel Buttwelding Short Radius Elbows and Returns’
MSS SP-43 – ‘Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications’

Schedule: Sch 5 TO Sch XXS.

Thickness: Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.

Type: Buttweld (BW)

 

Material and Grades: 

Carbon Steel:
ASTM A234 Gr. WPB
ASTM A420 Gr. WPL6
ASTM A105
ASTM A350 Gr. LF2
Stainless Steel:
ASTM A403 WP316/316L
ASTM A403 WP304/304L
ASTM A182 F316L, 304L

DIMENSIONS OF ASME B16.9 BUTTWELD LAP JOINT STUB END


Nominal Pipe Size Outside diameter
of barrel
Length (F) Radius (R) Diameter (G)
Minimum Maximum Long
Pattern
Short
Pattern
1/2″ 20.5 22.8 76 51 3 35
3/4″ 25.9 28.1 76 51 3 43
1″ 32.6 35.0 102 51 3 51
1 1/4″ 41.4 43.6 102 51 5 64
1 1/2″ 47.5 49.9 102 51 6 74
2″ 59.5 62.4 152 64 8 92
2 1/2″ 72.2 75.3 152 64 8 105
3″ 88.1 91.3 152 64 10 127
3 1/2″ 100.8 104.0 152 76 10 140
4″ 113.5 116.7 152 76 11 157
5″ 140.5 144.3 203 76 11 186
6″ 167.5 171.3 203 89 13 216
8″ 218.3 222.1 203 102 13 270
10″ 272.3 277.2 254 127 13 324
12″ 323.1 328.0 254 152 13 381
14″ 354.8 359.9 305 152 13 413
16″ 405.6 411.0 305 152 13 470
18″ 456.0 462.0 305 152 13 533
20″ 507.0 514.0 305 152 13 584
22″ 558.0 565.0 305 152 13 641
24″ 609.0 616.0 305 152 13 692

 

Types of ASME B16.9 Buttweld Fittings :

  • Buttweld 90° Long Radius Elbow
  • Buttweld 90° Short Radius Elbow
  • Buttweld 45° Long Radius Elbow
  • Buttweld 45° Short Radius Elbow
  • Buttweld 180° Long Radius Elbow
  • Buttweld 180° Short Radius Elbow
  • Buttweld 1D Elbows
  • Buttweld 1.5D Elbows
  • Buttweld 3D Elbows
  • Buttweld 5D Elbows
  • Buttweld Seamless Buttwelding 45° and 90° Elbows
  • Buttweld Seamless Buttwelding 180° Returns
  • Buttweld Straight Tees and Crosses
  • Buttweld Equal Tee
  • Buttweld Reducing Tee
  • Buttweld Equal Cross
  • Buttweld Reducing Cross
  • Buttweld Reducers
  • Buttweld Concentric Reducers
  • Buttweld Eccentric Reducers
  • Buttweld Stub End
  • Buttweld Lap Joint Stub End
  • Buttweld Pipe Caps
  • Buttweld End Cap
  • Buttweld Collar
  • Buttweld Swedge Nipples
  • Buttweld Pipe Nipples
  • Buttweld Piggable Bend
  • Buttweld Lateral

MATERIALS OF ASME B16.9 BUTTWELD LAP JOINT STUB END

Stainless steel /Carbon Steel /Alloy Steel / Duplex / Super Duplex / Inconel / Monel
Hastelloy / Aluminum & Aluminum / Copper & Copper Alloy / Nickel & Nickel Alloy
Copper-Nickel / Titanium & Titanium Alloy / Tantalum / Niobium / SMO 254

APPLICATIONS OF ASME B 16.9 BUTTWELD LAP JOINT STUB END

 

  • ASME B 16.9 Buttweld Lap Joint Stub End used in Chemical and petrochemical processing
  • ASME B 16.9 Buttweld Lap Joint Stub End used in refineries
  • ASME B 16.9 Buttweld Lap Joint Stub End used in electronics
  • ASME B 16.9 Buttweld Lap Joint Stub End used in fertilizer
  • ASME B 16.9 Buttweld Lap Joint Stub End used in power plant
  • ASME B 16.9 Buttweld Lap Joint Stub End used in nuclear power
  • ASME B 16.9 Buttweld Lap Joint Stub End used in oil and gas
  • ASME B 16.9 Buttweld Lap Joint Stub End used in paper industries