AISI 904L Stainless Steel Flange Supplier

ASTM B381 Grade F2 Flanges

Manufacturer of annealed titanium ASME SB 381 gr 5 forging in India

ASTM B381 Grade F2 Flanges


Supplier of customised B381 gr f2 forged steel flanges in Mumbai, check specification

ASTM B381 Grade F2 Flanges Specification

Standard Sizes

Standard Sizes

  • NPS: 1/2" to 48"
  • Class:150 to 2500#
  • SCH: Sch 5 to XXS
  • Standards: ASME B16.5, MSS SP44, ASME B16.47

Types of ASME SB 381 Gr 2 Forged Flanges

Types of ASME SB 381 Gr 2 Forged Flanges

  • Socket Weld
  • Weld Neck
  • Blind
  • Slip On etc.
Global Standards

Global Standards

  • ASTM B381 | ASME SB 381
  • UNS: R50400 | R56400
  • WNR:3.7035 | 3.7165

Useful Data

Useful Data

  • Finish:Serrated, Smooth, Spiral/Concentric, Mirror
  • Threads:FNPT, BSPT, MNPT, BSPP, NPT etc.
  • Face: RTJ, RF, FF
  • Testing:Pressure, Hardness, Tensile, PMI test


Stockist of ASTM B381 grade F5 slip-on and blind pipe flanges available in metric sizes ranging from 1/ 2" to 18" and face types including FF, RF, RTJ, etc


Buy SB 381 grade F2 weld neck and socket weld flange in accordance with ANSI/ASME B16.5

Bulk stock of ASTM B381 material provide with hardness, tensile, PMI test

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