Duplex Steel Flanges Dealers in Mumbai | Alloy Steel Round Bar Dealers in Mumbai

Duplex Steel Flanges Dealers in Mumbai

Duplex Steel Flanges Dealers and Supplier in Mumbai, India

We, 21 Alloys are Dealers and Suppliers of Duplex Steel Flanges. We are working to fulfill various requirements of clients by our wide array of industrial application products. We learn new innovative ideas as well for building professional relationships with clients and installed modern equipment and technology too for pioneer manufacturing of Duplex Steel Flanges. We serve a conventional door to door service to our clients. Duplex Steel Flanges is a superalloy, offers excellent reliable performance for a more extended period of time.

Duplex Steel Flanges Grades 

  • ASTM A182 F51
  • ASTM A182 F53
  • ASTM A182 F55
  • ASTM A182 F60

About Duplex Steel Flanges

Duplex Stainless Steel Threaded Flanges Stockists, Duplex Stainless Steel UNS S32205 Plate Flanges, UNS S31803 Socket Weld Trader, DIN 1.4462 Pipe Flanges, ASME SA182 Duplex S31803/S32205 Flanges Supplier in India.

Many types of steel flanges are offered by 21 Alloys one of the most used flanges are Duplex Steel Flanges. We are the famous dealer, supplier and stockiest of all types of steel flanges in all over the world. Stainless steel is highly durable and low-cost alloy. The flanges of Stainless steel are used widely as they have the properties which make it the unbeaten quality material. Duplex Stainless Steel Flanges have excellent intergranular corrosion. It has an outstanding high resistance to corrosion cracking stress even in sulfide and chloride environments.

Duplex Steel Flanges Specifications:

Duplex Stainless Steel Flanges Specification : ASTM A182 / ASME SA182
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.



GradeCommon NameC%Mn%Si%P%S%Cr%Ni%Mo%N%



Tensile strength620MPa minDensity7,805kg/m3
Yield strength450MPa miElastic modulus200GPa


Alloy Steel Sheets Mechanical Properties

Steel GradeBendability:
Bending Angle
N/mm 2 MIN.
Proof Stress
Inside Radius
N/mm 2 MIN.
Tensile Stress
% MIN.
S30400No Require2055159240201
S30100No Require2055159540217
S31008No Require2055159540217
S30403No Require1704859240201
S32100No Require2055159540217


Duplex Steel Flanges Application & Uses

  • Machine building
  • Pylons and other architectural structures
  • Lifting and mobile equipment
  • Construction of bridges
  • Wearing plates
  • Framework structures
  • Crane booms
  • Rail cars
  • Stone or iron chutes
  • Truck frames
  • Containers

Duplex Steel Flanges Exporter:

21 Alloys are Exporters of Duplex Steel Flanges in Saudi Arabia, Dealers of Duplex Steel Flanges in Oman, Supplier of Flanges in Kuwait, Dealer of Duplex Steel Flanges in UAE, Supplier of Duplex Steel Flanges in Qatar, Dealer of Duplex Steel Flanges in Iran, Supplier of Duplex Steel Flanges in Iraq, and more. We, 21 Alloys is one of the best Dealers, Supplier & Exporters of Duplex Steel Flanges.

Duplex Steel Flanges Suppliers in India:

We, 21 Alloys are Suppliers of Duplex Steel Flanges in Mumbai, Pune, Vadodara, Rajkot, Delhi, Surat, Vapi, Hyderabad, Ahmedabad, Gujarat, Coimbatore, Chennai, Indore, Nagpur, Lucknow, Gwalior, Bareilly, Vijayawada, and other major cities in India. We are India’s leading Round Bars Dealer and Supplier. Our head office is located in Mumbai and we supply to all major cities of India from Mumbai.

Other Flanges:

Duplex Steel Flanges Grades

Metals We Deal In

Scroll to Top