Forging Steel Flanges
Forging Steel Flanges ¨C BS4504 Section 3.1 / BS10 Table 'E'

¡ñDimensions conform to BS4054 Section 3.1 / BS10 Table 'E'
¡ñMaterial
¡¡Carbon: 0.22% max.
¡¡Tensile Strength: 375 MPa min.
¡¡Yield Strength: 235 Mpa min.
¡ñElongation: 25% min.
¡ñForgings
¡ñAll the surface machined
¡ñFrom DN10 to DN600

Forging Steel Flanges PN10
BS4504 Section 3.1
Nominal Size Approximate Weight (kg)
(inches)
(mm) Plate Slip-on & W/N Blind
  3/8" 10 0.53 0.58 0.63
  1/2" 15 0.59 0.65 0.71
  3/4" 20 0.85 0.95 1.00
  1" 25 1.00 1.14 1.20
  1-1/4" 32 1.50 1.69 1.80
  1-1/2" 40 1.60 1.86 2.10
  2" 50 2.20 2.53 2.90
  2-1/2" 65 2.70 3.06 3.60
  3" 80 3.30 3.70 4.60
  4" 100 3.60 4.62 5.60
  5"
125 5.00 6.30 8.10
  6" 150 6.00 7.75 10.5
  8" 200 8.70 11.3 16.5
  10" 250 11.0 14.7 24.0
  12" 300 12.5 17.4 31.0
  14'' 350 19.5 23.6 39.5
  16'' 400 26.5 28.6 49.5
  20'' 500 39.0 38.1 75.0
  24'' 600 53.0 44.6  

Forging Steel Flanges PN16
BS4504 Section 3.1
Nominal Size Approximate Weight (kg)
(inches)
(mm) Plate Slip-on & W/N Blind
  3/8" 10 0.53 0.58 0.63
  1/2" 15 0.59 0.65 0.71
  3/4" 20 0.85 0.95 1.00
  1" 25 1.00 1.14 1.20
  1-1/4" 32 1.50 1.69 1.80
  1-1/2" 40 1.60 1.86 2.10
  2" 50 2.20 2.53 2.90
  2-1/2" 65 2.70 3.06 3.60
  3" 80 3.30 3.70 4.60
  4" 100 3.60 4.62 5.60
  5"
125 5.00 6.30 8.10
  6" 150 6.00 7.75 10.5
  8" 200 9.40 11.3 16
  10" 250 12.0 15.6 25.0
  12" 300 15.5 22.0 35.0
  14'' 350 24.5 31.2 48.0
  16'' 400 33.0 39.3 63.0
  20'' 500 60.0 61.0 110.0
  24'' 600 94.0 75.4  

Forging Steel Flanges BS10 Table 'E'
Nominal Size Approximate Weight (kg)
(inches)
(mm) Plate
  3/8" 10  
  1/2" 15 0.75
  3/4" 20 0.85
  1" 25 0.88
  1-1/4" 32 0.94
  1-1/2" 40 1.15
  2" 50 1.62
  2-1/2" 65 1.83
  3" 80 2.21
  3-1/2"
90 2.71
  4"
100 3.16
  5" 125 4.60
  6" 150 5.13
  8" 200 7.17
  10" 250 11.7
  12" 300 14.0

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