Alloy 20 Flanges

Guru Gautam Steels are Manufacturers, Supplier and Exporters of Alloy 20 Flanges that is Fabricated From High Quality Raw Materials. These Alloy 20 Flange are engineered with utmost precision using latest machinery. These components are specifically designed to meet the demands of diverse industries. Alloy 20 Flanges are Available in different grades and sizes, shapes.
Alloy 20 Flanges

ANSI B16.47 Alloy 20 Blind Flanges, DIN 2.4617 ASTM B366 Plate Flanges, Alloy 20 N10665 Socket Weld Flanges & Weld Neck Flanges Manufacturer in india.

Standard Alloy 20
UNS N08020
WERKSTOFF NR. 2.4660
EN NiCr20CuMo
AFNOR Z2NCUD31-20AZ


Alloy 20 ANSI B16.5 / B16.47 Flanges Specification :

Standard : ASTM, ASME, ANSI, JIS, DIN, BSNA 11, EN Ni 99.2, JIS NW 2200, GOST-НП-2

Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Designation : ASTM / ASME B 366 / SB 366

Class : Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500 & Class 2500

Size : 1/2″NB TO 60″NB

Grades : Alloy 20 (UNS N10665) Flanges, 2.4617

Pressure : DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160


Alloy 20 Flanges Chemical Composition:

Ni Fe C Mn Si Cu Cr Mo S P Nb
32 - 38 Bal 0.02 max 1 - 2 0.7 max 3 - 4 19 - 21 2 - 3 0.005 max 0.02 max 0.1 - 0.3

UNS N10665 Flanges Mechanical & Physical Properties :

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.1 g/cm3 1443 °C (2430 °F) Psi -80,000, MPa -551 Psi - 35,000, MPa - 241 30 %

Types of Alloy 20 ASTM B366 Flanges :
  • Alloy 20 Screwed Flanges
  • Alloy 20 Long Weld Neck Flanges
  • Alloy 20 Reducing Flanges
  • Alloy 20 Spectacle Blind Flanges
  • Alloy 20 Ring Joint Flanges
  • Alloy 20 Threaded Flanges
  • Alloy 20 WNRF Flanges
  • Alloy 20 SORF Flanges
  • Alloy 20 ASTM B 366 Forged Flanges
  • Alloy 20 ASTM B 366 Slip On Flanges
  • Alloy 20 ANSI B16.47 Flanges
  • Alloy 20 ASME Flanges
  • Alloy 20 Weld Neck Flanges
  • Alloy 20 Socket Weld Flanges
  • Alloy 20 Slip On Raise Face Flanges
  • Alloy 20 Blind Raise Face Flanges
  • Alloy 20 Lap Joint Flanges
  • Alloy 20 Orifice Flanges
  • Alloy 20 SWRF Flanges
  • Alloy 20 BLRF Flanges
  • Alloy 20 Industrial Flanges
  • Alloy 20 Flat Flanges
  • Alloy 20 ANSI B16.5 Flanges
  • Alloy 20 Plate Flanges


Marking & Packing
Our products like Alloy 20 flanges are packaged to make sure that there’s no damage throughout transit. Just in case of exports, customary export packaging is completed in wooden boxes or cases. All Alloy 20 flanges are marked with Trademark (Company’s LOGO), Grade, Size and Lot No. On requests we can do custom marking on our products.

Test Certificates
Manufacturer Test Certificate as per EN 10204-3.1, EN 10204-3.2, Raw Materials Certificate, NABL approved Lab Test Report, 100% Radiography Test Report, Third Party Inspection Report etc.