ASTM A182 F347/ 347H

Manufacturer & supplier of ASTM A182 Gr F347 Slip on Flanges and 347 Stainless Steel Lap Joint Flanges in custom sizes from class 150# to 2500# pressure rating


The alloy’s higher carbon variant is A182 F347h. It was developed to have better creep resistance and to be stronger at temperatures higher than 1000°F. This stainless steel, which has a high carbon content and austenitic chromium content, is beneficial for uses requiring high temperature tolerance. It is an alloy with a high carbon content, better creep qualities, and a high melting point.

The general corrosion resistance of F347h is good. It is designed to be used in the 800–1500°F region of chromium carbide precipitation, which is where intergranular attack occurs in unstabilized alloys like ASTM A182 F304.


A182 F347h Equivalent

SUS 347H, 347S51, DIN X 6 CrNiNb 18 10, X8CrNiNb 16–13, Z6CNNb 18.10, AISI 347H, UNS S34709, En 1.4961, and SAE 30347H.

Slow rates and consistent positive feeds can help reduce ASTM A182 Gr F347h’s hardenability. Applications like food processing, pharmaceutical manufacturing, chemical processing, and petroleum refining can all benefit from it. Forging, upsetting, and other hot work operations can be carried out at 1149 to 1232°C with Material A182 F347h. It needs to be annealed and water quenched to reach its maximum hardness.

Because SA 182 F347h is so robust and ductile, blanking, stamping, spinning, and drawing can be done with ease. It can be quenched with water after being annealed at temperatures between 1010 and 1193°C. It does not react well to heat treatment. Through cold working, you can increase its strength and hardness.


Columbium stabilised austenitic stainless steel flanges, ASTM A182 F347 Flanges, offer superior resistance against strong oxidising agents and have good overall corrosion resistance. After being exposed to temperatures between 800 and 1500°F, which is the range where chromium carbide precipitates, it offers exceptional resistance to intergranular corrosion. There is no hub or bore on the Stainless Steel 347 Blind Flange. Its bolting pattern is identical, and it has a face type that matches and a thickness comparable to a flange. It can be applied to seal a nozzle opening on a pressure vessel. SA 182 F347 Weld Neck Flanges have a circular fitting with a rim that protrudes all the way around. It is usually butt welded to a pipe after being machined from a forging.A number of drilled holes in the rim enable the flange to be fastened to another flange using bolts. ASTM A182 Gr F347 Slip-on Flanges are intended for low-pressure or minimally leak-prone fluids. It can be used in low-pressure compressed air lines, cooling water lines, firefighting water lines and process lines that handle materials like condensates, oil, gas and steam. 347 Slip-on flanges and stainless steel lap joint flanges are extremely similar. It is widely used in the design of duct and pipe systems. Lap Joint Stub End is butt welded to the pipe, and the backing lap joint flange is slid onto the pipe before the Stub End is welded. It is a two-part flange.

A182 F347 In order to build a network of pipes for cylinders, valves, pumps, and other equipment, forged flanges are utilised as the connecting element. It integrates two distinct machinery parts. A flat, circular disc called an SS 347 Plate Flange is welded onto the end of a pipe so that it can be fastened to another pipe. Water and gasoline pipelines use it. A gasket sits between the two plate flanges that are connected together. It will be used to make joints, tees, and junctions and will have bolt holes all the way around. F347 Spectacle in Stainless Steel When a tool or portion of line needs to be removed or inspected for maintenance, blind flanges are a safety precaution that is used to isolate the object. It is an isolation device that is permanent or long-term, unlike a valve. Reducing flanges made of stainless steel UNS S34700 are intended for situations in which pipe diameters vary. The main flange has a smaller hole to match the smaller pipe size, although it matches the bigger pipe size. Typically, it comes with weld neck flanges, threaded, blind, and slip-on versions. It is a good substitute for joining two pipes of different sizes and comes in all pressure classes.

The purpose of the stainless steel S34700 WNRF Flanges is to connect a pipe system using butt welding. Although it requires a lot of specifications and is costly because to its long neck and labour costs to connect WN flange to pipeline or fitting, it is the recommended option for high-stress applications. Stresses are transferred to the pipeline by the hubs or necks. The ASTM A182 347 SS Orifice Flanges are designed with a raised face or ring type joint facing and have a disc form. Through a flow nozzle mounted on the flange itself, it is used to gauge the fluid flow that the pipeline is conveying.


ASTM A182 F347 Flanges Specification

Flat Face A182 F347 Forged Flanges and SS 347 Plate Flange are produced as per ANSI/ ASME B16.5, en 1092-1, en 1092-2 standards

SS 347/ 347H Flanges SpecificationsASTM A182 F347/ 347H / ASME SA 182 F347/ 347H
Standard we follow
  • BS (British Standard)
  • EN (European)
  • DIN
  • EN-1092 -1
  • ANSI B16.36
  • ASA/ ANSI/ ASME B16.5
  • ANSI B16.48
  • ANSI B16.47 Series A & B
  • BS4504
  • BS 10
  • BS1560-3.1
  • GOST Flange
  • MSS S44
  • API 7S-43
  • JIS B2220
  • ISO 70051
  • API 7S-15
  • API 605
Size Range we produce
  • 1/2″ to 48″
  • 15 – 1200NB
  • DN10~DN5000 or special sizes
Flange Facing TypesRaised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
ANSI Pressure RatingClass 150, 300, 600, 900, 1500, 2500
Pressure Calculation in DIN6Bar 10, 16, 25, 40 and PN6 PN10 PN16 PN25 PN40, PN64
JIS5K, 10, 16 20, 30, 40, 63
UNI6Bar, 10, 16, 25, 40
EN6Bar, 10, 16, 25, 40
Most common manufacturing typesThreaded, Screwed, Plate, Forged
Manufacturing Test CertificatesEN 10204/3.1B, 100% Radiography, or Third Party Inspection Report, etc
Inhouse Production facilities
  • Forged, Heat treated and machined
Special design
  • As per your drawing
  • Equal and Reducing Configurations
OriginIndian / West Europe / Japan / USA / Korean

ASTM A182 F347 Flanges Equivalent

View updated 347H Stainless Steel Flanges price list ex Mumbai, manufacturer and exporter of A182 F347H socket weld , forged and threaded pipe flanges in Indi

Stainless Steel SS 347H
Werkstoff Nr.1.45501.4961

Manufacturing standards of ASTM A182 347 SS Flange

Buy SA 182 F347H material in Class 150 to 2500# at factory price in India

ASTM A182 F347 Class 150 FlangeASME SA182 F347H Flange Weight 150# 
A182 F347H Class 300 FlangeASTM A182 Grade F347 Rtj 1500 Flange
Stainless Steel ASTM A182 F347 Class 1500 FlangeA182 Gr F347H Ring Type Joint
ASTM A182 Gr F347 Class 600 Flange347H Stainless Steel Flat Face Flange
ASME SA182 F347H Class 900 FlangeASTM A182 Grade F347 Slip On Flange
ASTM A182 Grade F347 Class 2500 FlangeSA182 Gr F347H Rtj 900 Flange
A182 Gr F347H Pn16 FlangeStainless Steel 347 Rtj Flanges
347H Stainless Steel Pn10 FlangeSA182 Grade F347 Npt
ASTM A182 Grade F347 Pn40 FlangeASTM A182 F347 Stainless Steel Jis 5k Flange
SA182 Gr F347H Pn 160 FlangeSS F347H Jis B2220
Stainless Steel 347 Pn 64 FlangeSS UNS S34700 Jis 10k Flange
SA182 Grade F347 Dn150 Pn16 FlangeASTM A182 347 SS Kf Flange
ASTM A182 F347 Stainless Steel Din 2527 FlangeASTM A182 F347 B16.47 Flange
SS F347H Din En 1092-1 FlangeA182 F347H ANSI B16.5 150 Flange
SS UNS S34700 Din 2633 FlangeA182 F347H Threaded Flange
ASTM A182 347 SS Din 2576 FlangeStainless Steel ASTM A182 F347 Flange With 1/2 Npt
ASTM A182 F347 ASME B16.5 Class 300 FlangeASTM A182 Gr F347 Flange With Threaded Hole

ASTM A182 F347 Flange for Sale

All types of SS 347H Flanges at low cost, ASTM A182 F347H SORF, Lap Joint, Orifice, RTJ  and Long Weld Neck Flanges manufacturer in India

ASTM A182 Grade F347 Groove & Tongue FlangesASTM A182 F347 SORF Flange 150#
A182 Gr F347H Expander FlangesA182 F347H WNRF Reducing Flanges
347H Stainless Steel Screwed FlangesStainless Steel ASTM A182 F347 WNRF RTJ Flange
ASTM A182 Grade F347 Awwa FlangesASTM A182 Gr F347 WNRF Flange Class 300
SA182 Gr F347H Long Weld Neck FlangesStainless Steel 347 Body Flanges
ASTM A182 F347 FlangesSA182 Grade F347 Paddle Blank Flanges
A182 F347H Pipe FlangesASTM A182 F347 Stainless Steel Paddle Spacer Flanges
Stainless Steel ASTM A182 F347 Weld Neck FlangesSS F347H Spectacle Blind Flanges
ASTM A182 Gr F347 WNRF FlangesSS UNS S34700 Nippo Flanges
ASME SA182 F347H Slip On FlangesASTM A182 347 SS Lap Joint Flanges
ASTM A182 Grade F347 SORF FlangesASTM A182 F347 Screwed (SCRD) Flanges
A182 Gr F347H Spectacle Blind FlangesA182 F347H LJ Flange
347H Stainless Steel Socket Weld FlangesStainless Steel ASTM A182 F347 Closet Flange
ASTM A182 Grade F347 SWRF FlangesASTM A182 Gr F347 Companion Flange
SA182 Gr F347H Blind FlangesASME SA182 F347H Pipe Flange
Stainless Steel 347 BLRF FlangesASTM A182 Grade F347 Blank Flange
SA182 Grade F347 Threaded FlangesA182 Gr F347H Exhaust Flange
ASTM A182 F347 Stainless Steel Forged Flanges347H Stainless Steel Girth Flange
SS F347H Plate FlangesASTM A182 Grade F347 Quick Flange
SS UNS S34700 Orifice FlangesSA182 Gr F347H Split Flange
ASTM A182 347 SS High Hub FlangesStainless Steel 347 Swivel Flange
ASTM A182 F347 Flat FlangesSA182 Grade F347 Industrial Flange
A182 F347H Loose FlangesASTM A182 F347 Stainless Steel Industrial Pipe Flange
Stainless Steel ASTM A182 F347 Square FlangesSS F347H Reducing SORF Flanges
ASTM A182 Gr F347 Ring Type Joint FlangesSS UNS S34700 SORF Flange RTJ
ASME SA182 F347H RTJ FlangesASTM A182 347 SS SORF Flanges with Hub

A182 F347H Flanges Chemical Composition

SS 347H
Ni9 – 13
Cr17 – 19
C0.04 – 0.10
Mo3 – 4
Mn2 max
Si0.75 max
S0.03 max
P0.045 max
Co + Ta8xC min 
1.00 max

Stainless Steel ASTM A182 F347 Pipe Flanges Mechanical Properties

Density8.0 g/cm3
Melting Point1454 °C (2650 °F)
Tensile StrengthPsi – 75000 , MPa – 515
Yield Strength (0.2%Offset)Psi – 30000 , MPa – 205
Elongation35 %

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