Manufacturer of ANSI B16.5 / ASME B16.47 Flanges

A leading manufacturer, exporter, suppliers & stock holder of ANSI B16.5 / ASME B16.47 Flanges & we provide a comprehensive range of ANSI B16.5 / ASME B16.47 Flanges.

Types of Flanges

Types of Flanges

Weldneck Flange

Slip On Flange, SO Flange

inconel Flange | Monel Flange | hastelloy Flange Know more »

Weldneck Flange

Weld Neck Flange, WN Flange

inconel Flange | Monel Flange | hastelloy Flange Know more »

Weldneck Flange

Lap Joint Flange, LJ Flange

inconel Flange | Monel Flange | hastelloy Flange Know more »

What & Where We Supply


ANSI B16.5 / ASME B16.47 Flanges:

The most used flange types acc. to ASME B16.5 are: Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded and Blind flange.

Material Grades
Flanges are available in the following material grades:

  • Stainless Steel
  • ASTM A182 F304/L
  • F310
  • F316/L
  • F321/H
  • F347/H
  • F410
  • F440
  • 904L
  • Carbon Steel
  • ASTM A105, C22.8
  • Low Temperature Steel
  • ASTM A350 LF2, LF3, LF6
  • Alloy Steel
  • ASTM A182 F1, F5, F9, F11, F12, F22, F91
  • High Yield
  • ASTM A694 F42, F52, F60, F65, F70
  • 6% Moly / Duplex & Super Duplex
  • ASTM A182 F44, F51, F53, F55
  • Nickel Alloys
  • 200, 400, K500, 600, 625, 800, 825
  • Alloys
  • ALLOY 20
  • ALLOY C276
  • ALLOY B2
  • Aluminium– contact us for stock availability
  • 5083, 5154, 5251, 6061, 6063, 6082
  • Other Grades – contact us for stock availability
  • Bronze, Brass, Copper
  • Cupro Nickel
  • Titanium

ANSI B16.5 / ASME B16.47 Flanges Specification


from 1/4” through to any size as per customer specification.

Wall Thickness
Schedule 5s through to Schedule XXS and heavier.

Dimensions and Pressure Ratings

– ANSI, MSS- SP-44, BS3293, API 605 150lb through to 2500lb
– Facings: Raised Face, Ring Type Joint, Large Tongue & Groove, Small Tongue & Groove
– BS4504 – PN6, 10, 16, 25, 64
– BS10 – Table D, E, F, & H
– DIN Standards

We can also supply Special items according to customer drawings.

Flange Inventory

Stainless Steel Nickel Alloys Carbon Steel & Alloy Steel

Stainless Steel Flange
Stainless Steel 304 Plate Flange
Stainless Steel 304 Forged Flange
Stainless Steel 304L Plate Flange
Stainless Steel 304L Forged Flange
Stainless Steel 310 Plate Flange
Stainless Steel 310 Forged Flange
Stainless Steel 310S Plate Flange
Stainless Steel 310S Forged Flange
Stainless Steel 316 Plate Flange
Stainless Steel 316 Forged Flange
Stainless Steel 316L Plate Flange
Stainless Steel 316L Forged Flange
Stainless Steel 317 Plate Flange
Stainless Steel 317 Forged Flange
Stainless Steel 317L Plate Flange
Stainless Steel 317L Forged Flange
Stainless Steel 321 Plate Flange
Stainless Steel 321 Forged Flange
Stainless Steel 321H Plate Flange
Stainless Steel 321H Forged Flange
Stainless Steel 347 Plate Flange
Stainless Steel 347 Forged Flange
Stainless Steel 347H Plate Flange
Stainless Steel 347H Forged Flange
Stainless Steel 446 Plate Flange
Stainless Steel 446 Forged Flange
Duplex 2205 Plate Flange
Duplex 2205 Forged Flange
Super Duplex 2507 Plate Flange
Super Duplex 2507 Forged Flange
904L Plate Flange
904L Forged Flange

High Nickel Alloy Flange
Nickel 200 Plate Flange
Nickel 200 Forged Flange
Nickel 201 Plate Flange
Nickel 201 Forged Flange
Monel 400 Plate Flange
Monel 400 Forged Flange
Monel K500 Plate Flange
Monel K500 Forged Flange
Inconel 600 Plate Flange
Inconel 600 Forged Flange
Inconel 601 Plate Flange
Inconel 601 Forged Flange
Inconel 625 Plate Flange
Inconel 625 Forged Flange
Inconel 718 Plate Flange
Inconel 718 Forged Flange
Incoloy 800 Plate Flange
Incoloy 800 Forged Flange
Incoloy 800H Plate Flange
Incoloy 800H Forged Flange
Incoloy 800HT Plate Flange
Incoloy 800HT Forged Flange
Incoloy 825 Plate Flange
Incoloy 825 Forged Flange
Hastelloy C276 Plate Flange
Hastelloy C276 Forged Flange
Hastelloy C22 Plate Flange
Hastelloy C22 Forged Flange
Hastelloy B2 Plate Flange
Hastelloy B2 Forged Flange
Alloy 20 Plate Flange
Alloy 20 Forged Flange
254 SMO Plate Flange
254 SMO Forged Flange
Hastelloy x Plate Flange
Hastelloy x Forged Flange

  • Carbon Steel Flange
  • ASTM A350 LF2 Flanges 
  • ASTM A105 Welding Neck Flange
  • ASTM A105 Slip On flange
  • ASTM A105 Socket Weld Flange
  • ASTM A105 Lap Joint Flange
  • ASTM A105 Threaded Flange
  • ASTM A105 Blind Flange
  • ASTM A105 Spectacle Blinds
  • ASTM A105 Spades and Ring Spacers
  • ASTM A105 Orifice Flanges
  • ASTM A105 Long Welding Neck flange
  • ASTM A105 Expander flange
  • ASTM A105 Reducing flange
  • ASTM A105 Square Flanges
  • ASTM A105 Flange Faces
  • ASTM A105 Flange Pressure Class
  • Alloy Steel Flange
  • ASTM A 707 Welding Neck Flange
  • ASTM A 707 Slip On flange
  • ASTM A 707 Socket Weld Flange
  • ASTM A 707 Lap Joint Flange
  • ASTM A 707 Threaded Flange
  • ASTM A 707 Blind Flange
  • ASTM A 707 Spectacle Blinds
  • ASTM A 707 Spades and Ring Spacers
  • ASTM A 707 Orifice Flanges
  • ASTM A 707 Long Welding Neck flange
  • ASTM A 707 Expander flange
  • ASTM A 707 Reducing flange
  • ASTM A 707 Square Flanges
  • ASTM A 707 Flange Faces
  • ASTM A 707 Flange Pressure Class

Reference standards

ASME B16.5   Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 
ASME B16.47  Large Diameter Steel Flanges: NPS 26 Through NPS 60 
ASME B16.48  Line blanks
ASME B16.36  Orifice Flanges
MSS SP-6 Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings
ASME B16.20  Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed
ASME B16.21  Nonmetallic Flat Gaskets for Pipe Flanges
ASME B18.2.1  Square and Hex Bolts and Screws, (Inch Series)
ASME B18.2.2  Square And Hex Nuts (inch Series)
ASTM A193  Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications
ASTM A194  Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both

EN 1092 Flanges and their joints — Circular flanges for pipes,valves, fittings and accessories, PN designated —
Part 1: Steel flanges;
Part 2: Cast iron flanges;
Part 3: Copper alloy flanges;
Part 4: Aluminium alloy flanges.
GB/T 9112-2010 Types and parameters for steel pipe flanges 
GB/T 9113-2010 Integral steel pipe flanges 
GB/T 9114-2010 Hubbed screwed steel pipe flanges 
GB/T 9115-2010 Steel pipe welding neck flanges 
GB/T 9116-2010 Hubbed slip-on-welding steel pipe flanges 
GB/T 9117-2010 Hubbed socket welding steel pipe flanges 
GB/T 9118-2010 Loose hubbed steel pipe flanges with welding neck collor 
GB/T 9119-2010 Slip-on-welding plate steel pipe flanges
GB/T 9120-2010 Loose plate steel pipe flanges with weld-neck collar and with weld ring neck 
GB/T 9121-2010 Loose plate steel pipe flanges with weld-on collar 
GB/T 9122-2010 Loose plate steel pipe flanges with lapped pipe end and pressed collar with long neck 
GB/T 9123-2010 Steel pipe blank flanges 
GB/T 9124-2010 Specification for steel pipe flanges
GB/T 13402-2010 Large diameter steel pipe flanges
HG/20592-2009 Steel pipe flanges(PN designated)
HG/20615-2009 Steel pipe flanges(Class designated)
HG/20623-2009 Large Diameter Steel pipe flanges(Class designated)

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