Duplex steel Pipe Flanges Trader, Duplex Industrial Flanges, Duplex Reducing Flanges, Largest Stockholder of Duplex steel Flanges in India, Ready Stock of Duplex Flange, Duplex SWRF Flanges, Competitive Price of Duplex steel Slip on Flange, Ferritic Stainless Steel Weld Neck Flanges, ASTM A182 Socket weld Flanges Manufacturers in Mumbai, India.

Kalikund Steel & Engg. Co is one of the leading manufacturers, suppliers, and exporter of high-quality Duplex Steel Flanges. We are offering an exclusive variety of Flanges that are available in a range of dimensions, specifications, shapes, and sizes. Our company offers Duplex Steel Flanges in customized and non-customized specifications to our clients. Duplex Steel exhibits general corrosion resistance and superior to other alloys in most environments. It also offers excellent resistance to chlorine related stress cracking. Duplex Steel Flanges comes with a super finish with robust quality. We supply the finest quality Flanges that are widely suitable to use in Pulp and Paper Industry, Mining Industry, Chemical processing, Marine Applications, construction, and many more.

The improved strength of the Duplex Steel Slip on Flanges is attained from the austenitic portion of the structure, while its toughness has been attained from the ferritin portion of the microstructure. Our company offers Duplex Steel Flanges that is having an excellent performance due to its versatile features. These Flanges have high surface toughness due to the presence of chromium in its chemical composition. The super finishing and robust construction is an add on to its versatility. It works very well in high temperature areas. Our offered Duplex Steel Flanges are readily fabricable and easily machinable. We are also keeping the bulk stock of the Duplex Steel Flange to meet the urgent demands of the industry.

Duplex Flanges

ANSI B16.5 Duplex Blind Flanges, ASME SA182 RTJ Flanges, Duplex Steel Lap Joint Flanges Wholesaler, Buy Duplex steel Threaded Flanges, Duplex Forged Flanges, Duplex steel Plate Flanges Dealer, Duplex Steel 2205 SORF Flanges, Ferritic Stainless Steel Long Weld Neck Flanges, Duplex Flanges Stockist, Duplex Orifice Flange, Duplex Spectacle Blind Flanges Supplier in Mumbai, India.

We, Kalikund Steel & Engg. Co use premium quality raw material for fabricating these Duplex Steel Flanges, which are tested again for its quality once it is bought in the manufacturing unit. We have installed the latest technology and Hi-Tech machinery available at our production plant. We have hired a team of professionals who are keeping a strict watch on the manufacturing process. We are following set norms of national and international standards to bring the best quality Duplex Steel Flanges. We conduct destructive and non-destructive tests based on various parameters for ensuring the quality of Duplex Steel Flanges. At Kalikund Steel & Engg. Co, we are using standard packing methods for packing the ordered Flanges. We deliver our Duplex Steel Flanges in a specified time to our esteemed clients.


Largest Inventory
Customer Support
On Time Deliveries
ISO 9001 : 2015 Certified

Duplex Flanges Specification

A182 Flange Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Duplex steel Flange Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Duplex Flange Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
ASTM A182 Duplex Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
ASME SA 182 Flange 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
ASME SA182 Duplex steel Flange UNI 6Bar 10Bar 16Bar 25Bar 40Bar
A182 Flange EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most common types of ASTM A182 Duplex Flange Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
ASME SA182M Duplex Flange Production technique Forged, Heat treated and machined
A182 Flange Connect Type/ Flange Face Type Raised 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
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

ASME A182 Duplex Flange Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
ASTM A182 Ferritic Stainless Steel Flange Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Duplex Flange Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of Duplex steel ASTM A182 Flange

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
ASTM A182 Flange: -BS Flange, EN Flange, 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

B.S: BS4504 , BS3293, BS1560, BS10
AS 2129: Table D; Table E; Table H
ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
American standard (ANSI)
German (DIN)
British standard (BS)

DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ASTM A182 Duplex Flanges
The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
ASME SA182M Duplex Flange Uses & application Bitumen upgraders.
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Duplex EN 1092-1 Flange Export to Ireland, Singapore, Indonesia, Ukraine, Saudi & Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Duplex steel Flanges can be supplied in either Pipe or Plate construction and are covered by specification ASTM A182 and ASME B16.5.

Manufacturing Standards / Pressure Rating of Duplex Pipe Flanges

ASME/ANSI B 16.5 Blind Flange, High Hub Blind Flange, Slip on Flange, Welding Neck Flange, Socket Weld Flange, Ring Type Joint Flange, Lap Joint Flange, Threaded Flange
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47 Blind Flange [Series A & B],Welding Neck Flange
PRESSURE CLASS 75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36 Slip on Flange, Threaded Flange, Welding Neck Flange,
PRESSURE CLASS 300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1 Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange,
PRESSURE CLASS PN 2.5 TO PN 40
BS 4504[PART 1] Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded,
PRESSURE CLASS PN 2.5 TO PN 400
BS 1560 BOSS Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded,
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
BS10 Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange
TABLE D, E, F, H
DIN FLANGES DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
PRESSURE CLASS PN 6 TO PN 100
ANSI B16.5 Duplex steel Flange Forms & Availability

Forged and Plate Flanges

Products Size
ASTM A182 Duplex Slip-On Flanges ASTM A182 Duplex Threaded Flanges Sizes 1/8″ – 36″
Raised Face or Flat Face
ASTM A182 Duplex Weld Neck Flanges ASTM A182 Duplex Socket Weld Flanges
ASTM A182 Duplex Blind Flanges ASTM A182 Duplex Reducing Flanges
ASTM A182 Duplex Lap Joint Flanges ASTM A182 Duplex Plate Flanges
ASTM A182 Duplex Orifice Flanges ASTM A182 Duplex Forged Flanges
ASTM A182 Duplex Ring Type Joint Flanges ASTM A182 Duplex Square Flanges

Duplex Pipe Flanges has the following Manufacturing facilities :
  • Raw material cutting: band saw
  • Open / Close Die Forging & Rolling: Hammer / Press / Ring Rolling
  • Machining: CNC lathes/SPM lathes
  • Bolt Hole drilling: High speed CNC Vertical Machining Center
  • Heat treatment: Solution Annealing (batch annealing furnaces)
Some of Our Specialities that make us a profitable Business Partber for our clients are :
  • Customer focused approach
  • Superior quality products
  • Timely deliverices
  • Customize Size & Specification
  • Competitive Pricing
Kalikund Steel
Stock Availability of ASME SA 182 Duplex steel Pipe Flanges
Preview Products ASTM ASME
Duplex SORF Flange Duplex SORF Flange A182 SORF Flange SA182 SORF Flange
Duplex WNRF Flange Duplex WNRF Flange A182 WNRF Flange SA182 WNRF Flange
Duplex SWRF Flange Duplex SWRF Flange A182 SWRF Flange SA182 SWRF Flange
Duplex BLRF Flange Duplex BLRF Flange A182 BLRF Flange SA182 BLRF Flange
Duplex RTJ Flange Duplex RTJ Flange A182 RTJ Flange SA182 RTJ Flange
Kalikund Steel
Duplex steel Flanges Production Range
Duplex Weld Neck Flanges
Duplex steel Slip on Flanges
Duplex steel Blind Flanges
Duplex Socket weld Flanges
Duplex steel Threaded Flanges
Duplex steel Lap Joint Flanges
Duplex Ring Type Joint Flanges
Duplex steel Long Weld Neck Flanges
Duplex steel Spectacle Blind Flanges
Duplex Plate Flanges
Duplex steel Orifice Flanges
Duplex steel Groove & Tongue Flanges
Kalikund Steel
Duplex Flanges Standard
American Steel Flanges Standard
Standard Code Standard Name
ANSI ASME SA-182 Forged Flanges
ANSI ASME B16.5 Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange
ASME – B 16.47 Welding neck flange, Blind flange
ASME – B 16.36 Welding neck flange Slip on flange
German Steel Flanges Standard
DIN 2527 Steel Blind Flanges, BLRF
DIN 2573 / 2576 Flat Flange for Welding (Slip On)
DIN 2673 Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars)
DIN 2641 / 2642 Lapped / Loose (Lap Joint) Flanges Plain Collars
DIN 28115 Long Neck Welding Flanges
DIN PN10, PN16 Duplex PN10 Flanges, Duplex DIN PN 10 Flanges, Duplex PN16 Flange
DIN PN20, PN25 Duplex PN20 Flanges, Duplex steel DIN PN 25 Flanges
DIN PN40, PN50 Duplex PN40 Flanges, Duplex DIN PN 50 Flanges
Japanese Steel Flanges Standard
JIS S32205220 Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)
JIS B2291 Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)
JIS 5K, 10K Duplex 5K SORF Flanges, Duplex 10K SOFF Flanges
JIS 16K, 20K Duplex 16K Blind Flanges, Duplex 20K BLRF Flanges
JIS 30K, 40K Duplex 30K Slip on Flanges, Duplex 40K Blind Flanges
Italian Flanges Standard
UNI FLANGES Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254)
British Standard Pipe Flanges Standard
BS 10 Table D Duplex BS 10 Table D Flanges, Table D Pipe Flange
BS 10 Table E Duplex BS 10 Table E Flanges, Table E Pipe Flange
BS 10 Table F Ferritic Stainless Steel BS 10 Table E Flanges, Duplex steel Table E Flanges
BS 10 Table H Duplex BS 10 Table E Flanges, Duplex steel Table E Pipe Flanges
Schedule / Class of Duplex Flanges
Flange Schedule/Class Pipe Size - Pipe Flanges Flange Connection Type Flange Material Max. Pressure
ASME B16.5 Class 150 1/2" FNPT Duplex Flanges 150 psi
ASME B16.5 Class 150 1/2" Socket Weld Duplex steel Flanges 275 psi
ASME B16.5 Class 150 1/2" Welded Duplex Flanges 150 psi
ASME B16.5 Class 150 3/4" FNPT Duplex steel Flanges 150 psi
ASME B16.5 Class 150 3/4" Socket Weld Duplex Flanges 275 psi
ASME B16.5 Class 150 1-1/4" Socket Weld Duplex steel Flanges 275 psi
ASME B16.5 Class 150 1-1/2" Socket Weld Duplex Flanges 275 psi
ASME B16.5 Class 150 2" FNPT Duplex steel Flanges 150 psi
ASME B16.5 Class 150 2" Socket Weld Duplex Flanges 275 psi
ASME B16.5 Class 150 2-1/2" Socket Weld Duplex steel 2205 Flanges 275 psi
ASME B16.5 Class 150 3" Socket Weld Duplex Flanges 275 psi
ASME B16.5 Class 150 4" FNPT Duplex steel Flanges 150 psi
ASME B16.5 Class 150 4" Socket Weld Duplex Flanges 275 psi
ASME B16.5 Class 300 1/2" Slip On Duplex steel Flanges 720 psi
ASME B16.5 Class 300 1/2" Slip On Duplex Flanges 720 psi
ASME B16.5 Class 300 1" Slip On Duplex steel Flanges 720 psi
ASME B16.5 Class 300 1" Slip On Duplex Flanges 720 psi
ASME B16.5 Class 300 1-1/4" FNPT Duplex steel Flanges 720 psi
ASME B16.5 Class 300 1-1/4" Slip On Duplex Flanges 720 psi
ASME B16.5 Class 300 1-1/2" Slip On Duplex steel Flanges 720 psi
ASME B16.5 Class 300 1-1/2" Slip On Duplex Flanges 720 psi
ASME B16.5 Class 300 2" Slip On Duplex steel Flanges 720 psi
ASME B16.5 Class 300 2" Slip On Duplex Flanges 720 psi
ASME B16.5 Class 300 2-1/2" Slip On Duplex steel Flanges 720 psi
ASME B16.5 Class 300 2-1/2" Slip On Duplex Flanges 720 psi
ASME B16.5 Class 300 3" Slip On Duplex steel Flanges 720 psi
ASME B16.5 Class 300 3" Slip On Duplex Flanges 720 psi
ASME B16.5 Class 300 4" Slip On Duplex steel Flanges 720 psi
ASME B16.5 Class 300 4" Slip On Duplex Flanges 720 psi
Price List of ANSI B16.5 Duplex steel Plate Flanges

Prices for Duplex Flanges Products are very affordable.
Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. KALIKUND STEEL & ENGG. CO. maintains a stock of all standard items and can export them at the best price ASME SA 182 Duplex Flanges, Slip on Flanges, Weld Neck Flanges, Socket weld Flanges, Threaded, Lap Joint Flanges, RTJ Flanges etc.


Duplex steel Flanges Ready Stock in India
Duplex Blind Flange Duplex Flat Flange Supplier in India
Duplex steel Flanges Manufacturer Duplex Slip on Flanges
Duplex steel Weld Neck Flanges Duplex Socket weld Flanges Dealer in India
Duplex Long Weld Neck Flanges Stockist ASTM A182 Duplex Threaded Flanges
Duplex steel 2205 Flanges Supplier in India Duplex EN 1092-1 Plate Flanges
Duplex steel Forged Flanges Wholesaler Duplex steel Lap Joint Flanges Supplier
Duplex BLRF Flange Manufacturer Duplex steel Raised Face Flanges
Duplex Nipoflange Duplex steel Duplex Reducing Flanges
ANSI B16.5 Duplex Pipe Flange Duplex Ring Type Joint Flanges
Duplex steel Orifice Flange Duplex Spectacle Blind Flanges Stockists
Duplex steel PN 10 Flange PN 16 Duplex Flanges Stockists
Duplex steel DIN Flanges Duplex Steel Duplex SORF Flanges Exporter
ASME B16.5 Duplex Flanges ASTM A182 Tongue & Groove Flanges
Duplex Male & Female Flanges Duplex steel RTJF Flanges
ASTM A182 Duplex Screwed Flanges ASME SA182 Expander Flanges
Duplex Spades Ring Spacers Flanges ASME SA182 Duplex Flat Face Flange
Duplex 5K SOFF Flanges Duplex steel 10K Flanges
Duplex Steel Puddle Flanges Exporter Duplex Socket Welding Flange
Duplex steel Weldo Flanges Duplex Nipo Flanges
Duplex Long Weld Neck Flanges ASTM A182 Flanges Facing Type & Finish
BS Standard Table E Flange British Standard Table D Pipe Flanges
Long Welding Neck Flange Duplex Raised Face Flange
ASME SA182 Duplex steel 30 Spectacle Blind Flanges Duplex BLRF Flanges Supplier
Duplex steel 30 High Hub Blinds Flanges Flanges Facing Type & Finish
Duplex Forging Facing Flanges Dealer Duplex Weld Neck Flanges A / B Stockist
Duplex steel Plate Flange Supplier in Mumbai Duplex steel Loose Flanges Manufacturer in India
Duplex Flanges Dimensions Duplex steel Spades Ring Spacers Flanges
Wrought Duplex Flanges ASTM A182 Expander Flanges at Best Price
Duplex Reducing Flanges Supplier Suppliers of Duplex steel Welding Neck Flange
Kalikund Steel
ASTM A182 Duplex Flanges Applications and Uses


Exporter of Duplex steel Pipe Flanges in the following cities
Manufacturers, Suppliers of Duplex Plate Flanges :
Bengaluru Mumbai Chennai Hyderabad Kolkata Pune
New Delhi Ahmedabad Jaipur Surat Salem Gandhinagar
Bhiwandi Tiruppur Sivakasi Jamnagar Thiruvananthapuram Rajahmundry
Bhubaneswar Vijaywada Firozabad Bokaro Steel City Rajkot Bharuch
Panna Raipur Cochin Ludhiana Panipat Durgapur
Peenya Pimpri-Chinchwad Channapatna Kharagpur Nashik Bareilly
Varanasi Haldia Rourkela Bangalore Moradabad Indore
Visakhapatnam Trivandrum Pithampur Dibrugarh Angul Gwalior
Coimbatore Kannur Nagpur Vadodara Rudrapur Noida
Agra Bhagalpur Jamshedpur Bhilai Lucknow kanpur
Thane Bhopal Navi Mumbai Vasai Bikaner Maharashtra
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