Stainless Steel 347 Flanges

Stainless Steel 347 Flanges

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Stainless Steel 347 Flanges

Material Specfication and Dimension Standards:

Product CategoryMaterial Specification as per ASME/ASTMDimension Standards
Forged FlangesASME SA182/182M F347/347H, ASTM A182/182M F347/347HANSI B16.5, ASME B16.5, MSS SP-44, ASME B16.47, API 605, ASME B16.36, ANSI B16.36, BS 3293, ASME B16.48, API 590, API 6A, API 6B, JIS B2220, DIN 2573, DIN 2576, DIN 2642, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2565, DIN 2566, DIN 2527, UNI 2276, UNI 2277, UNI 2278, UNI 6089, UNI 6090, UNI 2280, UNI 2283, UNI 2284, UNI 2253, UNI 2254, UNI 6092, UNI 6093, EN 1092-1 TYPE 1, EN 1092-1 TYPE 2, EN 1092-1 TYPE 11, EN 1092-1 TYPE 13, EN 1092-1 TYPE 5 (PN6, PN10, PN16, PN25, PN40

Size Range:

Dimension StandardsSize RangeRatings
ASME/ANSI B16.51/2" to 24"150# to 2500#
MSS SP 4412" TO 60"150# to 900#
ASME/B16.47/API 60526" TO 60" 
ASME/ANSI/B16.361" TO 24"300# TO 2500#
BS 329326" TO 48"150# TO 600#
ASME B16.48 / API 5901/2" TO 24"150# TO 2500#
API 6A API 6B2 1/6" TO 30"2000 PSI TO 20000 PSI

Notes : We can meet other dimensions outside the above mentioned range in special cases.

Why choose Us:


  • More than 30 years of expirience in this business
  • You can get stock options, mill deliveries with shortest manufacturing time
  • we assure you of as response in 24 hours (generally in same hour)
  • You will get the right material as per your requirement at the minimum possible price, (beware of unrealistic offers from other vendors)
  • 100% Fulfilment of commitments, if we cannot meet your requirement even after checking all options we will not give false assurance, this helps us in maintaining good relations with our customers
  • We can offer Exworks, FOB, CFR, CIF, Door to Door Delivery prices. We suggest that you let us do the shipping, because it will be cost effective as well as efficient
  • The materials we supply come with full traceability, right from raw material test certificate to final dimensional report. (Reports available on request)

Other Product Names(Equivalent):

UNS NosOther Names
UUNS S34700, S34709SS347, SS347H, Alloy 347/347H, AFNOR Z6CNNb18-11, WS 1.4544, WS 1.4546, WS 1.4550, X04Cr18Ni10Nb, 0Cr18Ni11Nb, X6CrNiNb18-10, 08Ch18N12B


Weld Neck FlangesBlind FlangesSocket Weld FlangesSlip On FlangesScrewed FlangesLap Joint Flanges
Long Weld Neck FlangesOrifice FlangesSpectacle BlindsSpacers and SpadesEN FlangesDIN Flanges
Nipo FlangesAnchor FlangesDrip RingsNozzles



  • Because of its efficient performance against Hostile Environment, Stainless Steel 347 is used in Chemical Processing Industries
  • Stainless Steel 347 has a great combination of Corrosion and Heat Resistance thus it is an excellent material to be used in food processing industries where in the temperatures are above 800 Degree F
  • Because of its strength in High Temperature and its resistance to oxidating environment and sulfidation, Stainless Steel 347 is used in Petroleum and Petrochemical Refineries.
  • Because of its excellent corrosion resistance and its workability in diluted organic acids, chloride environment and fluoride free caustic solutions, Stainless Steel 347 can be used in Pharmaceutical Industries.