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Alloy 20 flanges

Alloy 20 flanges specifications

Alloy 20 flanges specification


Nickel alloy 20 slip on flange size Incoloy 20 blind flange standard Temperature of nickel 20 pipe flange
  • 15NB – 1200NB
  • 1/2" to 48"
  • PN 2.5 – PN 400
  • ASTM B462
  • ASME SB462
  • ISO 7005
  • BS EN 1092-2
  • CL 125
  • MSS SP44
  • 540°C
Common trade name of alloy 20 flange Cn7m alloy 20 weld neck flange value added services Alloy 20 inconel flanges fulfill requirements of
  • 20, 20CB-3®
  • Carpenter®
  • Electroplating
  • Pickled
  • Drilling
  • Casting
  • Polishing
  • CNC machined
  • Sand Blasting
  • Cutting
  • Beveling end
  • Heat Treatment
  • Rolling
  • Forging
  • Threading
  • NACE MR0175
  • ISO 15156
  • NACE MR0103
  • NACE TM-0284
  • Sour service
Manufacturing methods of carpenter 20 socket weld flange Flange face type ASTM B462 UNS N08020 threaded flange finish
  • Rolled
  • Turning
  • CNC machining
  • Stamping
  • Forged
  • Milling
  • Drilling
  • Ring type joint
  • Flate face
  • Raised face
  • Concentric Serrated
  • Zinc Plated
  • Serrated finish
  • Mirror finish (Cold Water Finish)
  • Smooth Finish
  • Spiral Serrated
  • Stock Finish
Thread types of DIN 2.4660 reducing flange Types of alloy 20 cb3 flange Pressure class of ASME SB462 UNS N08020 forged flange
  • BSP thread
  • MNPT thread
  • FPT thread
  • FNPT
  • NPT thread
  • BSPT
  • BSPP thread
  • MPT thread
  • Socket weld flange
  • B462 N08020 lap joint flange
  • Threaded flange
  • Alloy 20cb3 blind flange
  • Slip on flange
  • ASTM B462 alloy 20 forged flange
  • Weld neck flange
  • Class 150 to 2500

Nickel 20 blind flanges manufacturer in India, view applications of ASTM B462 UNS N08020 pipe flange

Cn7m nickel alloy blind forged ring applications


  • Petrochemical industry
  • Pharmaceutical industries
  • Power plant
  • Chemical processing
  • Food industries

Buy incoloy 20 weld neck flange at factory price in Mumbai, we provide various testing methods to verify strength of B462 N08020 slip on flanges

Incoloy 20 slip on flanges testing methods


  • Visual inspection
  • Tensile test
  • Positive Material Identification Test
  • Shell pressure test
  • Material inspection
  • Impact test
  • Hardness test

Types of nickel alloy 20 flanges


B462 N08020 blind flages

B462 N08020 blind flages

Alloy 20 cb3 weld neck flagess

Alloy 20 cb3 weld neck flages

Carpenter 20 socket weld flages

Carpenter 20 socket weld flages

Incoloy alloy 20 slip on flages

Incoloy alloy 20 slip on flages

N08020 alloy 20 reducing flages

N08020 alloy 20 reducing flages

Alloy 20 lap joint flagess

Alloy 20 lap joint flages

Nickel 20 plate flages

Nickel 20 plate flages

ASTM B462 Alloy 20 threaded flange

ASTM B462 Alloy 20 threaded flange

Know more about nickel alloy 20 socket weld flanges, also see different types of welding methods and coatings applied to CN7M alloy 20 reducing flange

ASTM B462 UNS N08020 socket weld flanges welding methods


  • Resistance welding
  • SMAW (manual)
  • Fusion welding
  • GMAW (MIG)
  • TIG welding
  • Laser beam welding
Mumbai-based DIN 2.4660 forged flange and N08020 alloy 20 threaded flange supplier that are machined to exact specifications for a variety of tests in accordance with ASME b16.5

Diameter of the carpenter 20 flange and the number of bolt holes


Pressure class Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
Hole (mm / holes) 25.4 / 12 28.6 / 16 34.9 / 16 34.9 / 16 38.1 / 20 54 / 16 73 / 12
Check pressure rating, standard and dimensions of ASME SB462 UNS N08020 lap joint flange

Pressure ratings of alloy 20cb3 weld neck flange


Working pressure in PSG
Temperature(°F) -20~100 200 300 400 500 600 650 700 750 800 850 900
150# 230 200 190 180 170 140 125 110 95 80 65 50
300# 600 525 490 475 475 475 475 470 465 460 375 275
400# 800 700 655 630 630 630 630 625 620 610 505 365
600# 1200 1050 980 945 945 945 945 940 930 915 755 550
900# 1800 1575 1470 1420 1420 1420 1420 1410 1395 1375 1130 825
1500# 3000 2630 2450 2365 2365 2365 2365 2350 2330 2290 1885 1370
2500# 5000 4380 4080 3940 3940 3940 3940 3920 3880 3820 3145 2285

N08020 alloy 20 threaded flange face types


Full name (Composite/ Solid) Ring joint flanges Tongue and groove flanges Flat face flanges Lap joint flange Male and female flanges Raised face flanges
Short name RTJ T & G FF LJ M&F RF

Manufacturing standards of Nickel 20 reducing flange


Manufacturing Method Nickel alloy 20 forged flanges Alloy 20 Inconel machined flanges 20cb3 alloy 20 plate flange Alloy 20cb3 cast flange
ASTM/ ASME standard
  • ASTM B462
  • ASME SB462
  • ASTM B473
  • ASME SB473
  • ASTM B463 UNS N08020
  • ASME SB463 UNS N08020
  • ASTM A351 CN7M
  • ASME SA351 CN7M

Alloy 20 chemical composition


Grade Mn S C Si Cu Mo Cr Ni Ni+Ta P Iron
Alloy 20 flanges 2.00 0.035 0.07 1.00 3.00 to 4.00 2.00 to 3.00 19.00 to 21.00 32.00 -38.00 (8 x C) to 1.00 0.045 Balance

Mechanical properties of ASME SB462 UNS N08020 lap joint flange


Grade Yield Strength (0.2%Offset) Elongation Tensile Strength
PSI MPa % PSI MPa
Alloy 20 flanges 35000 241 30 80000 551

Alloy 20 Stainless Steel pipe flange equivalent properties


Standard WNR. JIS EN OR BS AFNOR UNS GOST
Alloy 20 flange 2.4660 NiCr20CuMo Z2NCUD31-20AZ N08020