Forging Steel Flanges
        Forging Steel Flanges C JIS B 2220

¢Dimensions conform to JIS B 2220
¢Material
 Carbon: 0.22% max.
 Tensile Strength: 375 MPa min.
 Yield Strength: 235 Mpa min.
¢Elongation: 25% min.
¢Forgings
¢All the surface machined
¢From DN10 to DN600


Forging Steel Flanges 5K
JIS B2220
Nominal Size Approximate Weight (kg)
(inches)
(mm) Plate Slip-on Blind
  3/8" 10 0.27   0.30
  1/2" 15 0.30   0.40
  3/4" 20 0.37   0.50
  1" 25 0.45   0.60
  1-1/4" 32 0.78   0.90
  1-1/2" 40 0.83   1.00
  2" 50 1.07   1.40
  2-1/2" 65 1.49   2.00
  3" 80 1.99   2.70
  3-1/2" 90 2.09   3.00
  4" 100 2.39   3.70
  5"
125 3.23   5.20
  6" 150 4.41   7.50
  8" 200 6.33   12.2
  10" 250 9.45 10.1 19.3
  12" 300 10.3 11.3 24.3
  14'' 350 14.0 15.1 33.2
  16'' 400 16.9 18.3 41.9
  18'' 450 21.6 24.8 53.0
  20'' 500 23.1 26.9 61.9
  22'' 550 30.3 34.1 81.2
  24'' 600 32.7 37.5 93.2


Forging Steel Flanges 10K
JIS B2220
Nominal Size Approximate Weight (kg)
(inches)
(mm) Plate Slip-on Blind
  3/8" 10 0.52   0.54
  1/2" 15 0.57   0.61
  3/4" 20 0.73   0.79
  1" 25 1.13   1.24
  1-1/4" 32 1.48   1.66
  1-1/2" 40 1.56   1.81
  2" 50 1.88   2.23
  2-1/2" 65 2.6   3.24
  3" 80 2.61   3.50
  3-1/2" 90 2.76   4.00
  4" 100 3.14   4.60
  5"
125 4.77   7.30
  6" 150 6.34   10.10
  8" 200 7.53 8.04 14
  10" 250 11.8 12.7 22.7
  12" 300 13.6 13.8 30.4
  14'' 350 16.4 18.2 37.1
  16'' 400 23.0 25.5 52.5
  18'' 450 29.5 33.0 68.8
  20'' 500 33.5 37.6 82.1
  22'' 550 43.1 49.7 105.8
  24'' 600 45.7 52.6 120.2


Forging Steel Flanges 16K
JIS B2220
Nominal Size Approximate Weight (kg)
(inches)
(mm) Plate Slip-on Blind
  3/8" 10 0.51 0.52 0.53
  1/2" 15 0.56 0.58 0.60
  3/4" 20 0.72 0.75 0.79
  1" 25 1.13 1.16 1.23
  1-1/4" 32 1.46 1.53 1.66
  1-1/2" 40 1.56 1.64 1.81
  2" 50 1.7 1.83 2.10
  2-1/2" 65 2.4 2.58 3.10
  3" 80 3.5 3.66 4.50
  3-1/2" 90 3.7 3.95 5.00
  4" 100 4.5 4.94 6.30
  5"
125 6.5 7 9.20
  6" 150 8.7 9.62 12.80
  8" 200 10.9 12.1 18.6
  10" 250 18 20 30.6
  12" 300 21.5 24.4 40.7
  14'' 350 30.8 35.0 57.8
  16'' 400 42.8 46.2 82.2
  18'' 450 55.1 61.9 107.6
  20'' 500 65.1 73.3 133.1
  22'' 550 77.9 88.1 164.1
  24'' 600 86.0 98.8 193.2

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