Duplex Steel Flanges

Contact Us

Microtech Stainless Steel Co.

105, Ratan Sadan Bldg., Shop No. 16, 5th Kumbharwada Lane, Mumbai, Maharashtra - 400004, India

Mobile : +91-9724783780

Phone : +91-22-23822119

Call Us : 08049672390




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  • Microtech Stainless Steel Co. is specialized in manufacturing and supplying of Duplex Steel Flanges, Pipe Fitting, Forged Fittings, Butt weld fittings, Flanges in Stainless steel, alloy Steel & carbon Steel since 1991, we manufacture wide range of Duplex Steel Flanges such as Duplex Steel Slip On Flange, Duplex Steel Welding Neck Flange, Duplex Steel Blind Flange, Duplex Steel Socket Weld Flanges, Duplex Steel Plate Flange, Duplex Steel Collar Flange, Duplex Steel Threaded Flange etc. as per International standard like ASME/ASTM/API, we are supplying & exporting Duplex Steel Flanges in seamless & welded both forms to more than 60 countries for over 2 decades, we have our dealers & distributors in Saudi Arabia,United Arab Emirates,Oman,Kuwait,Qatar,Sri Lanka, Microtech Stainless Steel Co. is the only company in INDIA which is approved Manufacturer & supplier of Duplex Steel Flanges in 300 top companies worldwide. Few of them are ORPIC, NIORDC, Saudi Aramco, SABIC, PIDMCO, GASCO, KNPC, Indian Oil, BPCL, HPCL, NTPC, BARC & Indian Navy, Microtech Stainless Steel Co. is ISO 9001:2008, ISO 14001, OHSAS 18001 Certified Company since 2010.
  • Microtech Stainless Steel Co. is manufacturing & exporting pipe flange from 1/2” thru 200”, 150 lbs to 3000 lbs including carbon Steel flanges , Duplex Steel Flanges and alloy Steel flanges according to ANSI, API, MSS, AWWA, DIN, JIS, BS and GB for the world market. We are experienced & specialized in manufacturing special ring flanges and other forgings as per drawing provided by our clients.
  • We supply ASME Code and Non Code Industrial flanges for the Petrochemical, Chemical & Waterworks industries. check our price before buying ANSI, API, AWWA pipe flanges in carbon Steel flanges, Duplex Steel Flanges, alloy Steel flanges and chrome steel flanges. Weld Neck flanges, flanges Slip on flanges, Blind flanges, Threaded flanges, socket weld flanges, Lap Joint flanges, Orifice Flanges in sizes 1/2" to 198".


Infrastructure : We at Microtech Stainless Steel Co. have 200 sets of equipment, including 20 sets of modern forging equipment, 140 high precision machine tools, floor-type lathes, drills, vertical lathes and other machining equipment, 2 electrical heating furnaces, 5 heat treatment furnaces, 2 PMI detection equipment, tensile machines, impact testers, hardness testers, metallographic analyzers, digital UT flaw detectors, etc. Forging process available in house: ring rolling forging, open die forging

ANSI/ASME steel flanges :

  • ANSI B16.47 Slip on flanges
  • ANSI B16.5 lap joint flanges
  • ANSI B16.47 steel weld neck flanges
  • ANSI B16.47 steel blind flanges, blind cover
  • ANSI B16.5 slip on flanges
  • ANSI B16.5 stainless steel blind flange
  • ANSI B16.5 long weld neck pipe flanges, LWN flange
  • API standard forged stainless steel thread flanges, SCRD flange
  • ANSI B16.5 stainless steel weld neck pipe flanges


EN/PED steel flanges :

  • DIN2573, DIN2576 carbon steel plate flanges
  • DIN2527 blind flanges
  • DIN2573, DIN2576 plate flange, backing flange,gasket
  • EN1092-1 F304/F304L plate flange
  • DIN2634 steel weld neck flanges
  • DIN2633 weld neck flanges EN1092-1 steel plate backing flanges
  • EN1092-1 TYPE05 blind flanges
  • EN1092-1 TYPE 11B weld neck flanges
  • EN1092-1 type11B PN10 DN400 weld neck flange raised face


BS steel flanges :

  • BS4504 code 105 steel blind flanges
  • BS4504 code 101 steel plate flanges
  • BS4504 code 111 steel weld neck flanges


JIS steel flanges :

  • JIS B2220 socket welding flange
  • JIS B2220 slip on hubbed SOH flange
  • JIS B2220 steel slip on plate SOP flanges
  • JIS B2220 welding neck flanges


Valve components :

  • F316 8 inch valve seat rings for valves
  • Forged F316L semi-finished ball valve seat rings 18 inch
  • F51 forged stainless steel valve seat rings
  • F316/F316L forged stainless steel ball valve seat rings
  • F6A CL2 seat rings
  • F316 forged valve seat rings
  • A350LF2 forged valve seat rings
  • Special forged parts
  • Forged nonstandard stainless steel parts


Plain washer, gasket :

  • Stainless steel disc ring, gasket
  • Stainless steel plate flange,plain washer, gasket
  • F304 steel gasket


Flange Standard :

  • API 6A Flange
  • ANSI Flange
  • ASME Flange
  • DIN Flange
  • EN1092-1 Flange
  • UNI Flange
  • JIS/KS Flange
  • BS4504 Flange
  • GB Flange
  • AWWA C207 Flange
  • GOST Flange
  • PSI Flange


Types of Duplex Steel Flanges :

  • Duplex 2205 Flanges
  • Duplex 2304 Flanges
  • Duplex 2507 Flanges
  • 2205 Duplex Steel Flanges UNS S32205
  • 2507 Duplex Steel Flanges UNS S31803
  • Duplex Steel UNS S32205 Flanges


Types of Flanges :

  • Duplex Steel Slip On Flange
  • Duplex Steel Welding Neck Flange
  • Duplex Steel Long Welding Neck Flange
  • Duplex Steel Blind Flange
  • Duplex Steel Lap Joint Flange
  • Duplex Steel Socket Weld Flanges
  • Duplex Steel Threaded Flange
  • Duplex Steel Reducing Flange
  • Duplex Steel Square Flange
  • Duplex Steel Expander Flange
  • Duplex Steel Groove & Tongue Flange
  • Duplex Steel Spades Ring Spacers Flange
  • Duplex Steel Screwed Flange
  • Duplex Steel Flange Facing Type & Finish
  • Duplex Steel Collar Flange
  • Duplex Steel Flat Face Flange
  • Duplex Steel Raised Face Flanges
  • Duplex Steel Ring Type Joint Flange
  • Duplex Steel Spectacle Blind Flanges
  • Duplex Steel Plate Flange
  • Duplex Steel Flat Flange
  • Duplex Steel Orifice Flange
  • Duplex Steel Weldo / Nipo Flange
  • Duplex Steel Loose Flange
  • Duplex Steel High Hub Blinds Flange
  • Duplex Steel Weld Neck Flange Series A or B
  • Duplex Steel Lip type flange
  • Duplex Steel Puddle Flange

Specifications

Grade Duplex Steel
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges
Dimension ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN
Class 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64
Size 1/8
Test Certificate EN 10204-3.1, EN 10204-3.2 Under Third Party Inspection
Forged Flanges SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing
Plate Flanges SORF, BLRF, LAP Joint & Spectacle
Surplus stock at Dynamic Forge & Fittings Pipe Fittings, Butt Weld Fittings, Forged Fittings, Socket Weld Fittings, Threaded Fittings, Flange
Specials Our own factory and in-house machine shop enable us to produce Flanges, Forgings, Nozzles, Fittings


Duplex Steel Flanges Size & Specification

Duplex Steel
SEW 400/V.D. TÜV 418 F51
F53
F55
S31803
S32750
S32760
Duplex and Super Duplex Steel
SEW 400/V.D. TÜV 418 F51
F53
F55
1.45

Duplex Steel Flanges Chemical Composition

Ni Min Max
Cr 4.5 6.5
Mo 22 23
Mn 3 3.5
Si - 2
C - 1
N - 0.03
S 0.14 0.2
P - 0.02
Fe - 0.03



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