Weldneck Flange Manufacturers in India

Weldneck Flange Manufacturers in India

WELDNECK FLANGE

Emcor Engineering offers weld neck flanges in a range of materials, including stainless steel, alloy steel, carbon and LTCS, copper & nickel alloys, Super Duplex, Nickel, Monel, Inconel, Hastelloy, Aluminium, etc. These flanges require butt welding for installation, providing exceptional integrity and performance in high-pressure and high-temperature systems with multiple bends. Weld neck flanges, also known as tapered hub flanges, distribute stress to pipes, reducing stress concentration. There are two designs: one for pipes and another for process plants. Made through forging, these round fittings extend beyond the circumference rim and are welded to pipes.

Emcor Engineering offers weld neck flanges in a range of materials, including stainless steel, alloy steel, carbon and LTCS, copper & nickel alloys, Super Duplex, Nickel, Monel, Inconel, Hastelloy, Aluminium, etc. These flanges require butt welding for installation, providing exceptional integrity and performance in high-pressure and high-temperature systems with multiple bends. Weld neck flanges, also known as tapered hub flanges, distribute stress to pipes, reducing stress concentration. There are two designs: one for pipes and another for process plants. Made through forging, these round fittings extend beyond the circumference rim and are welded to pipes.

CARBON STEEL SPECIFICATION:           

  • Size : 1/2″ NB to 80″ NB
  • Dimensions: ANSI/ASME B 16.5, B16.47, B16.36, DIN Standard, JIS Standard, EN1902-1 Standard, UNI Standard, BS10 Standard, BS4504 Standard, API Standard etc.
  • Class : 150# , 300#, 400#, 600#, 900#, 1500#, 2500#
  • Schedule : 10/20/40/80/100/120/160/XXS
  • Carbon Steel : ASTM A 105
  • Carbon Steel : DIN Standard – EN 10222-2/ EN 10222-4 – P235GH / P245GH / P265GH / P280GH / P295GH / P355N / P355NH / P285NH / P285QH
  • Other Services: Hot Dip Galvanizing, Sand Blasting, Special Threading.

ALLOY STEEL & LTCS SPECIFICATION:

  • Size : 1/2″ NB to 80″ NB
  • Dimensions: ANSI/ASME B 16.5, B16.47, B16.36, DIN Standard, JIS Standard, EN1902-1 Standard, UNI Standard, BS10 Standard, BS4504 Standard, API Standard etc.
  • Class : 150# , 300#, 400#, 600#, 900#, 1500#, 2500#
  • Schedule : 10/20/40/80/100/120/160/XXS
  • Alloy Steel : ASTM A 182-F5, F9, F11, F21, F22 & F91
  • Low Temp.CS : A 350 LF2
  • Other Services : Hot Dip Galvanizing, Sand Blasting, Special Threading.

STAINLESS STEEL & DUPLEX STEEL SPECIFICATION:

  • Size : 1/2″ NB to 64″ NB
  • Dimensions: ANSI/ASME B 16.5, B16.47, B16.36, DIN Standard, JIS Standard, EN1902-1 Standard, UNI Standard, BS10 Standard, BS4504 Standard, API Standard etc.
  • Class : 150# , 300#, 400#, 600#, 900#, 1500#, 2500#
  • Schedule : 10/20/40/80/100/120/160/XXS
  • Stainless Steel : ASTM A 182 F -304/304H/304L/316/316H/316L/316Ti/309/310/317L/321/347/904L,XM19
  • Stainless Steel : DIN Standard EN 10222-5 1.4301/1.4307/1.4401/1.4404/1.4529/1.4571/1.4541/1.4410/1.4550/1.4335/1.4539
  • Duplex Steel : ASTM A 182 F -51, F 53, F 55

NICKEL ALLOYS SPECIFICATION:

  • Size : 1/2″ NB to 48″ NB
  • Dimensions: ANSI/ASME B 16.5, B16.47, B16.36, DIN Standard, JIS Standard, EN1902-1 Standard, UNI Standard, BS10 Standard, BS4504 Standard, API Standard etc.
  • Class : 150# , 300#, 400#, 600#, 900#, 1500#, 2500#
  • Schedule : 10/20/40/80/100/120/160/XXS
  • Copper Nickel : C70600(90:10), C71500(70:30), C71640
  • Nickel : UNS N02200, N02201
  • Monel : UNS N04400, N05500, Alloy 20
  • Inconel : UNS N06600, N06601, N06625, N08800, N08810, N08825,
  • Hastelloy : UNS N10276, N06022, N10665, N06455,
  • SMO 254 Grade UNS S31254
  • Aluminium : ASTM B247, B361 – 2024, 6061, 6063, 6101, 7075.
  • Titanium : ASTM B381 – Grade 1, Grade 2, Grade 4, Grade 5, Grade 6, Grade 7, Grade 9, Grade 19, Grade 23

Test Certificate:

  •  Manufacturer test Certificate En 10204, 3.1 & 3.2
  •  IBR Test Certificate Form IIIC
  • TPI Inspection Release Note (as per customer requirement)
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