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Flange Types
ANSI  Flange
BS  Flanges
Material
Approx Weight
Gaskets
Bolt&Nuts
 BizVerify
Yanshan Shuntong Steel Pipe&fittings Co., Ltd.
Verified By : Huaxia D&B
Verified Date : 2010-05-08
Material 

Chemical Composition & Mechanical Properties of Forged Steel Flange
  A105 - Forgings Carbon Steel for Piping Components
  A350 - Forgings, Carbon and Low Alloy Steel, Requiring Notch Toughness Testing for Piping Components
  A182 - Forged or Rolled Alloy Steel Pipe Flanges, Forged Fittings and Valves, and Parts for High Temperature Service
         Spec. No.
             Grade
                                                                       Chemical Compositionsmax%                                            Mechanical Properties (min)
C Mn P S Si Cr Cu Mo Ni V Nb Ti Al Tensile
(MPa)
Yield
(MPa)
Elongation
%
Reduction
%
Impact
Akv(J)
Hardness
(HB)
  A105 0.35 0.60-
1.05
0.035 0.04 0.10-
0.35
0.3 0.4 0.12 0.4 0.05 0.02     485 250 30 30   187
  LF2 0.3 0.60-
1.35
0.035 0.04 0.15-
0.30
0.3 0.4 0.12 0.4 0.03 0.02     485-655 250 30 30 20 197
  F12 CL1 0.05-
0.15
0.30-
0.60
0.045 0.045 0.5 0.80-
1.25
  0.44-
0.65
          415 205 20 45   121-174
  F12 CL2 0.10-
0.20
0.30-
0.80
0.04 0.04 0.10-
0.60
0.80-
1.25
  0.44-
0.65
          485 275 20 30   143-207
  F11 CL1 0.05-
0.15
0.30-
0.60
0.03 0.03 0.50-
1.00
1.00-
1.50
  0.44-
0.65
          415 205 20 45   121-174
  F11 CL2 0.10-
0.20
0.30-
0.80
0.04 0.04 0.50-
1.00
1.00-
1.50
  0.44-
0.65
          485 275 20 30   143-207
  F11 CL3 0.10-
0.20
0.30-
0.80
0.04 0.04 0.50-1.00 1.00-
1.50
  0.44-
0.65
          515 310 20 30   156-207
  F22 CL1 0.05-
0.15
0.30-
0.60
0.04 0.04 0.5 2.00-
2.50
  0.87-
1.13
          415 205 20 35   170
  F22 CL3 0.05-
0.15
0.30-
0.60
0.04 0.04 0.5 2.00-
2.50
  0.87-
1.13
          515 310 20 30   156-207
  F5 0.15 0.30-
0.60
0.03 0.03 0.5 4.0-
6.0
  0.44-
0.65
0.5         485 275 20 35   143-217
  F5a 0.25 0.6 0.04 0.03 0.5 4.0-
6.0
  0.44-
0.65
0.5         620 450 22 50   187-248
  F321 0.08 2 0.045 0.03 1 17.0     9.00-
12.00
    5C%-
0.70
  515 205 30 50    
  F304 0.08 2 0.045 0.03 1 18.00-
20.00
    8.00-
11.00
        515 205 30 50    
  F304L 0.035 2 0.045 0.03 1 18.00-
20.00
    8.00-
13.00
        485 170 30 50    
  F316 0.08 2 0.045 0.03 1 16.00-
18.00
  2.00-
3.00
10.00-
14.00
        515 205 30 50    
  F316L 0.035 2 0.045 0.03 1 16.00-
18.00
  2.00-3.00 10.00-
15.00
        485 170 30 50    

 JB4726-2000 - Carbon and Low Alloy Steel Forgings for Pressure Vessels
 JB4727-2000 - Low Alloy Steel Forgings for Low Temperature Pressure Vessels
 JB4728-2000 - Stainless Steel Forgings for Pressure Vessels
        Spec. No.
           Grade
                                                                       Chemical Compositionsmax%                                  Mechanical Properties (min)
C Mn P S Si Cr Cu Mo Ni V Nb Ti Al Tensile
(MPa)
Yield
(MPa)
Elongation
%
Reduction
%
Impact
Akv(J)
Hardness
(HB)
  20# 0.17-
0.23
0.60-
1.00
0.03 0.02 0.17-
0.37
0.25 0.25   0.25         390-540 215 24   34 106-159
  16MnD 0.13-
0.18
1.20-
1.60
0.025 0.015 0.20-
0.60
0.3 0.25   0.4   0.03  
0.015
450-600 275 20   27  
  15CrMo 0.12-
0.18
0.30-
0.80
0.03 0.02 0.10-
0.60
0.80-
1.25
0.25 0.40-
0.65
0.3         440-610 275 20   34 118-180
  12Cr1MoV 0.09-
0.15
0.40-
0.70
0.03 0.02 0.17-
0.37
0.90-
1.20
0.25 0.25-
0.35
0.3 0.15-
0.30
      440-610 255 19   34 118-180
  12Cr2Mo1 0.15 0.30-
0.60
0.025 0.15 0.5 2.00-
2.50
0.25 0.90-
1.10
0.3         510-680 310 18   41 136-201
  1Cr5Mo 0.15 0.6 0.03 0.02 0.5 4.00-
6.00
0.25 0.45-
0.65
0.5         590-760 390 18   34 174-229
  0Cr18Ni10Ti 0.08 2 0.035 0.03 1 17.00-
19.00
    9.00-
12.00
   
5C%
  520 205 35     139-187
  0Cr18Ni9 0.07 2 0.035 0.03 1 17.00-
19.00
    8.00-
11.00
        520 205 35     139-187
  00Cr19Ni10 0.03 2 0.035 0.03 1 18.00-
20.00
    8.00-
12.00
        480 175 35     128-187
 0Cr17Ni12Mo2 0.08 2 0.035 0.03 1 16.00-
18.00
  2.00-
3.00
10.00-
14.00
        520 205 35     139-187
00Cr17Ni14Mo2 0.03 2 0.035 0.03 1 16.00-
18.00
  2.00-
3.00
12.00-
15.00
        480 175 35     128-187

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