ASTM A182 Orifice Flange, Stainless Steel Flanges Slip-On | Weld Neck | Blind | Lap Joint | Socket Weld Flanges

manufacturer, stockist & supplier of ASTM A182 Orifice Flange, Stainless Steel Flanges Slip-On | Weld Neck | Blind | Lap Joint | Socket Weld Flanges. Supplying ASTM A182 Orifice Flange from approved manufactures and stockists based in the UK, India, Europe and USA

Dealer & distributor of ASTM A182 Orifice Flange, 2% discount on ASTM A182 Orifice Flange bulk order

ASTM A182 Orifice Flange supplier in India

DM Special Steel Ltd produce & supply many different flange standards such as ASA/ANSI/ASME (USA), PN/DIN (European), BS10 (British/Australian), and JIS/KS (Japanese/Korean) & ASTM A182 Orifice Flange. To allow easy functionality and inter-changeability, these are designed to have standardised dimensions.

The ANSI/ASME pressure classes for Flat-Face flanges are 125# and 250#. The classes for Ring-Joint, Tongue & Groove, and Raised-Face flanges are 150#, 300#, (400# - unusual), 600#, 900#, 1500#, and 2500#.

We can supply a wide range of flange faces made to standardized dimensions and are typically "flat face", "raised face", "tongue and groove", or "ring joint" styles, although other obscure styles are possible. Flange designs are available with DM Special Steel Ltd as "weld neck", "slip-on", "lap joint", "socket weld", "threaded", and also "blind".

At DM Special Steel Ltd we stock a large inventory of ASME B16.5 or ASME B16.47 "industry standard" flanges for most piping applications. DM Special Steel Ltd can produce ASTM A182 Orifice Flange according to the standards for materials, pressure ratings, etc. Such standards include DIN, BS, and/or ISO standards, Japanese JIS

Our large ASTM A182 Orifice Flange inventory allows us to supply our customers with the pipe fitting they need when they need them. Our inventory includes nickel, monel, inconel, hastelloy, stainless steel, copper, duplex stainless steel, and high nickel alloy flanges & pipe fittings. For more information email to

Origin: West Europe / Japan / Indian / USA / Korean

Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500

Export packing & shipping: ASTM A182 Orifice Flange are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All fittings and flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.

ASTM A182 Orifice Flange Details

DM Special Steel Ltd diverse inventory offers a full range of stainless steel Pipe, Tube, Fittings & Flanges that is prominent in the process industry.

Forged and Plate Flange

Trade Name ASTM A182 Orifice Flange
Specification ASTM A182 / A240 & ASME SA182 / SA240
Grade 304, 304L, 304H, 304LN
Standard ANSI Flange, ASME Flange, BS Flange, DIN Flange, EN Flange, etc.
Size 1/8” to 36"
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Special Alloy Flange Duplex, Super Duplex, Nickel Alloys
Flange Face Type Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

  • Stainless Steel Flange: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L, ASTM A182 Orifice Flange
  • Carbon Steel Flange: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
  • Alloy Steel Flange: ASTM A182 F1, F5, F9, F11, F22, F91
  • Special Alloy Flange: Duplex, Super Duplex, Nickel Alloys

Stainless Steel 304/304L Flange

Product Size
SS 304 Slip-On Flange SS 304 Threaded Flange

1/8" – 36"

Raised Face or Flat Face

SS 304 Weld Neck Flange SS 304 Socket Weld Flange
SS 304 Blind Flange SS 304 Reducing Flange
SS 304 Lap Joint Flange SS 304 Plate Flange

Stainless Steel Tradename UNS no. Werkstoff No. Density (g/cm3)
304 304 Stainless S30400 1.4301 8.0
304L 304L Stainless S30403 1.4307 8.0
304H 304H Stainless S30409 1.4948 8.0
304LN 304LN Stainless S30453 1.4311 8.0

Stainless Steel 316/316L Flange

Product Size
SS 316 Slip-On Flange SS 316 Threaded Flange

1/8" – 36"

Raised Face or Flat Face

SS 316 Weld Neck Flange SS 316 Socket Weld Flange
SS 316 Blind Flange SS 316 Reducing Flange
SS 316 Lap Joint Flange SS 316 Plate Flange

Stainless Steel Tradename UNS no. Werkstoff No. Density (g/cm3)
316 316 Stainless S31600 1.4401 8.00
316L 316L Stainless S31603 1.4404 8.00
316H 316H Stainless S31609 1.4919 8.00
316Ti 316Ti Stainless S31635 1.4571 8.00

Stainless Steel 310S Flange

Product Size
SS 310S Slip-On Flange SS 310S Threaded Flange

1/8" – 36"

Raised Face or Flat Face

SS 310S Weld Neck Flange SS 310S Socket Weld Flange
SS 310S Blind Flange SS 310S Reducing Flange
SS 310S Lap Joint Flange SS 310S Plate Flange

Stainless Steel Tradename UNS no. Werkstoff No. Density (g/cm3)
310S 310S S31008 1.4845 8.0
310 310 S31000 1.4841 8.0

Stainless Steel 347/347H Flange

Product Size
SS 347 Slip-On Flange SS 347 Threaded Flange

1/8" – 36"

Raised Face or Flat Face

SS 347 Weld Neck Flange SS 347 Socket Weld Flange
SS 347 Blind Flange SS 347 Reducing Flange
SS 347 Lap Joint Flange SS 347 Plate Flange

Stainless Steel Tradename UNS no. Werkstoff No. Density (g/cm3)
347 Stainless 347 S34700 1.4550 7.96
347H Stainless 347H S34709 1.4961 7.96

Click on below links for dimensions:

Delivery: Within 6-14 days or asap if we have enough stock

Call or request a quote today. We stock a large inventory of domestic fittings and flanges in WPN, WPNL, WPNC, WPHX, WPHG, WPHC 22, WPV 602, WPHG 30, WPV 45TM, WP 2120, WP 5923, WPHC 2000, WPM 21, WPH 230, WPHC 4, WPNCI, WP 603GT, WPNCMC, WPIN 686, WP 626SI, WPHG 3, WP 20 CB, WP 3127, WPH 120, WP 330, WPNIC, WPNICMC, WP 904L, WP 1925 etc materials. 


ASTM A182 Orifice Flange related products

Fittings Duplex steel
Pipe & tube special gradesInconel 600 TubeInconel 625 TubeMonel 400 TubeHastelloy c276 TubeInconel 800 Tube,Inconel 825 Tube, AISI 4130 Pipe, 4130 Aircraft Alloy Tubing, 2205 duplex stainless steel tube, 2507 Super Duplex Steel Seamless tube,  Saudi Aramco approved tube

ASTM A182 Orifice Flange price

We mainly stock the flange & fitting of following make:

Erne Fittings, Austria
Metal far, Italy
Lame S.r.l., Italy
BKL- Thai Benkan, Thailand
BENKAN Corporation, Japan
TecnoForge, Italy
Ulma, Spain
Mega, Italy
Melesi, Italy
Interfit, France
Raccortubi S.P.A., Italy

We mainly stock the Pipe & tubes of following make :


ASTM A182 Orifice Flange Dimensions

ASTM A182 Orifice Flange dimensions

Carbon Steel
Alloy Steel
Nickel Alloy and other copper alloy


A350 LF2. 


cu/ni - 90/10 , cu/ni - 70/30 , See Beryllium Copper, Brass Alloys, Bronze Alloys and Copper & Copper Alloys.and also Duplex and Super Duplex, Nickel, Cupro Nickel, Titanium, Monel and Hastelloy

Oriface. Flange
1/8" NB TO 72"NB.
1500# &


Dimensional Tolerances of Orifice Flanges ASME B16.5

Outside Diameter
≤ 24 = 1.6 mm | > 24 = ± 3.2 mm
Inside Diameter
not applicable
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm
Outside Diameter of Hub
≤ 12 = + 2.4 mm / - 1.6 mm | ≥ 14 = ± 3.2 mm
Diameter of Counterbore
not applicable
Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle with Respect to Facing
≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max.
≤ 18 = + 3.2 mm / - 0 | ≥ 20 = + 4.8 mm / - 0
Length thru Hub
≤ 18 = + 3.2 mm / - 0.8 mm | ≥ 20 = + 4.8 mm / - 1.6 mm

1. Dimensions are in millimeters unless otherwise indicated.
2. The length of the stud bolt does not include the height of the chamfers (points).


ASTM A182 Orifice Flange deliver to

Specialized in:

Stainless Steel Alloy 904/L stockist Stainless Steel Alloy 904L PipeTP904L N08904 1.4539
Stainless Steel AISI 304L TP304L stockist AISI 304L Pipe TP304L S30403 1.4307
Stainless Steel AISI 316L TP316L stockist Stainless Steel AISI 316L TP316L S31603 1.4404
Stainless Steel AISI 317L stockist AISI 317L Pipe TP317L S31703 1.4438
Stainless Steel AISI 321 stockist AISI 321 Pipe TP321 S32100 1.4541
Stainless Steel AISI 347 stockist Stainless Steel AISI 347 TP347 S34700 1.4550
Stainless Steel AISI 317L stockist Duplex 2205 Pipe SAF2205 S31803 1.4462
Stainless Steel AISI 321 stockistDuplex 2205 Pipe SAF2205 S32205 1.4462
Stainless Steel AISI 347 stockistDuplex 2304 Pipe S32304 1.4362
Stainless Steel AISI 347 stockistDuplex 2507 Pipe SAF2507 S32750 1.4410

Stockyard pipe fitting/ fasteners list


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