■ Forged Steel Flange 锻钢法兰
  Description for Forged Steel Flange 锻钢法兰描述 
  Chinese Standard   ANSI/ASTM
Type:
Standard & Code:
  Welding Plate Flange
  HG20593-97
  HG20592-97, HG20603-97
  HG20604-97, HG20605-97
Material:
  20#
  0Cr18Ni10Ti
  0Cr18Ni9
  00Cr19Ni10
  0Cr17Ni12Mo2
  00Cr17Ni14Mo2
Class and Size:
  PN0.25, DN10-2000
  PN0.6, DN10-2000
  PN1.0, DN10-600
  PN1.6, DN10-600
  PN2.5, DN10-600

  Chinese Standard   ANSI/ASTM
Type:
Standard & Code:
  Slip-on Flange
  HG20594-97
  HG20593-97
  HG20592-97   HG20603-97
  HG20604-97   HG20605-97   HG20616-97
  HG20615-97   HG20624-97
  HG20625-97   HG20626-97
  SH3406-96
  Slip-on Flange
  ANSI B16.5
Material:
  20#
  0Cr18Ni10Ti
  0Cr18Ni9
  00Cr19Ni10
  0Cr17Ni12Mo2
  00Cr17Ni14Mo2
  ASTM A105
  ASTM A182 GR.F321
  ASTM A182 GR.F304
  ASTM A182 GR.F304L
  ASTM A182 GR.F316
  ASTM A182 GR.F316L
Class and Size:
  PN0.6, DN10-300
  PN1.0, DN10-600 PN2.0, DN15-600
  PN1.6, DN10-600 PN5.0, DN15-600
  PN2.5, DN10-600 PN11.0, DN15-600
  PN4.0, DN10-600 PN15.0, DN15-600
PN26.0, DN15-65
 
  150LB 1/2"-24"
  300LB 1/2"-24"
  600LB 1/2"-24"
  900LB 1/2"-2 1/2"
  1500LB 1/2"-2 1/2"

  Chinese Standard   ANSI/ASTM
Type:
Standard & Code:
  Weld Neck Flange
  HG20595-97
  HG20593-97
  HG20592-97   HG20603-97
  HG20604-97   HG20605-97   HG20617-97
  HG20615-97   HG20624-97
  HG20625-97   HG20626-97
  SH3406-96
  Weld Neck Flange
  ANSI B16.5
Material:
  20#
  16MnD
  15CrMo
  12Cr1MoV
  12Cr2Mo1
  1Cr5Mo
  0Cr18Ni10Ti
  0Cr18Ni9
  00Cr19Ni10
  0Cr17Ni12Mo2
  00Cr17Ni14Mo2
  ASTM A105
  ASTM A350 GR.LF2
  ASTM A182 GR.F12
  ASTM A182 GR.F11
  ASTM A182 GR.F22
  ASTM A182 GR.F5
  ASTM A182 GR.F321
  ASTM A182 GR.F304
  ASTM A182 GR.F304L
  ASTM A182 GR.F316
  ASTM A182 GR.F316L
Class and Size:
  PN1.0, DN10-2000
  PN1.6, DN10-2000 PN2.0, DN15-600
  PN2.5, DN10-1000 PN5.0, DN15-600
  PN4.0, DN10-600 PN11.0, DN15-600
  PN6.3, DN10-400 PN15.0, DN15-600
  PN10.0, DN10-400 PN26.0, DN15-600
  PN16.0, DN10-300 PN42.0, DN15-300
  PN25.0, DN10-300
 
  150LB 1/2"-24"
  300LB 1/2"-24"
  600LB 1/2"-24"
  900LB 1/2"-24"
  1500LB 1/2"-24"
  2500LB 1/2"-12"

  Chinese Standard   ANSI/ASTM
Type:
Standard & Code:
  Lap Joint Flange
  HG20599-97
  HG20592-97   HG20603-97
  HG20604-97   HG20605-97   HG20616-97
  HG20615-97   HG20624-97
  HG20625-97   HG20626-97
  SH3406-96
  Lap Jojint Flange
  ANSI B16.5
Material:
  20#
  ASTM A105
Class and Size:
  PN0.6, DN10-600
  PN1.0, DN10-600 PN2.0, DN15-600
  PN1.6, DN10-600 PN5.0, DN15-600
  PN2.5, DN10-600 PN11.0, DN15-600
  PN4.0, DN10-600
 
  150LB 1/2"-24"
  300LB 1/2"-24"
  600LB 1/2"-24"
  900LB 1/2"-24"
  1500LB 1/2"-24"
  2500LB 1/2"-12"

  Chinese Standard   ANSI/ASTM
Type:
Standard & Code:
  Socket Welding Flange
  HG20597-97
  HG20592-97   HG20603-97
  HG20604-97   HG20605-97   HG20619-97
  HG20615-97   HG20624-97
  HG20625-97   HG20626-97
  SH3406-96
  Socket Welding Flange
  ANSI B16.5
Material:
  20#
  0Cr18Ni10Ti
  0Cr18Ni9
  00Cr19Ni10
  0Cr17Ni12Mo2
  00Cr17Ni14Mo2
  ASTM A105
  ASTM A182 GR.F321
  ASTM A182 GR.F304
  ASTM A182 GR.F304L
  ASTM A182 GR.F316
  ASTM A182 GR.F316L
Class and Size:
  PN1.0, DN10-50
  PN1.6, DN10-50 PN2.0, DN15-80
  PN2.5, DN10-50 PN5.0, DN15-80
  PN4.0, DN10-50 PN11.0, DN15-80
  PN6.3, DN10-50 PN15.0, DN15-80
  PN10.0, DN10-50 PN26.0, DN15-65
 
  150LB 1/2"-3"
  300LB 1/2"-3"
  600LB 1/2"-3"
  1500LB 1/2"-2 1/2"

  Chinese Standard   ANSI/ASTM
Type:
Standard & Code:
  Threaded Flange
  HG20598-97
  HG20592-97   HG20603-97
  HG20604-97   HG20605-97   HG20620-97
  HG20615-97   HG20624-97
  HG20625-97   HG20626-97
  SH3406-96
  Threaded Flange
  ANSI B16.5
Material:
  20#
  ASTM A105
Class and Size:
  PN0.6, DN10-150
  PN1.0, DN10-150 PN2.0, DN15-150
  PN1.6, DN10-150 PN5.0, DN15-150
  PN2.5, DN10-150
  PN4.0, DN10-150
 
  150LB 1/2"-24"
  300LB 1/2"-24"
  600LB 1/2"-24"
  900LB 1/2"-24"
  1500LB 1/2"-12"
  2500LB 1/2"-12"

  Chinese Standard   ANSI/ASTM
Type:
Standard & Code:
  Blind Flange
  HG20601-97
  HG20592-97   HG20603-97
  HG20604-97   HG20605-97   HG20622-97
  HG20615-97   HG20624-97
  HG20625-97   HG20626-97
  SH3406-96
  Blind Flange
  ANSI B16.5
Material:
  20#
  16MnD
  15CrMo
  12Cr1MoV
  12Cr2Mo1
  1Cr5Mo
  0Cr18Ni10Ti
  0Cr18Ni9
  00Cr19Ni10
  0Cr17Ni12Mo2
  00Cr17Ni14Mo2
  ASTM A105
  ASTM A350 GR.LF2
  ASTM A182 GR.F12
  ASTM A182 GR.F11
  ASTM A182 GR.F22
  ASTM A182 GR.F5
  ASTM A182 GR.F321
  ASTM A182 GR.F304
  ASTM A182 GR.F304L
  ASTM A182 GR.F316
  ASTM A182 GR.F316L
Class and Size:
  PN0.25, DN10-2000
  PN0.6, DN10-2000
  PN1.0, DN10-1200 PN2.0, DN15-600
  PN1.6, DN10-1200 PN5.0, DN15-600
  PN2.5, DN10-600 PN11.0, DN15-600
  PN4.0, DN10-600 PN15.0, DN15-600
  PN6.3, DN10-400 PN26.0, DN15-600
  PN10.0, DN10-400 PN42.0, DN15-300
  PN16.0, DN10-300
  PN25.0, DN10-300
 
  150LB 1/2"-24"
  300LB 1/2"-24"
  600LB 1/2"-24"
  900LB 1/2"-24"
  1500LB 1/2"-24"
  2500LB 1/2"-12"

  Chemical Composition & Mechanical Properties of Forged Steel Flange 锻钢法兰化学成份及机械性能
Spec. No.
Grade
Chemical Compositions（max%）
C Mn P S Si Cr Cu Mo Ni V Nb Ti Al
Mechanical Properties (min)
Tensile
(MPa)		 Yield
(MPa)		 Elongation
%		 Reduction
%		 Impact
Akv(J)		 Hardness
(HB)
  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
  A105 0.35 0.60-
1.05		 0.035 0.040 0.10-
0.35		 0.30 0.40 0.12 0.40 0.05 0.02 485 250 30 30 ≤187
  LF2 0.30 0.60-
1.35		 0.035 0.040 0.15-
0.30		 0.30 0.40 0.12 0.40 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 0.50 0.80-
1.25		 0.44-
0.65		 415 205 20 45 121-174
  F12 CL2 0.10-
0.20		 0.30-
0.80		 0.040 0.040 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		 0.030 0.030 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		 0.040 0.040 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		 0.040 0.040 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		 0.040 0.040 0.50 2.00-
2.50		 0.87-
1.13		 415 205 20 35 170
  F22 CL3 0.05-
0.15		 0.30-
0.60		 0.040 0.040 0.50 2.00-
2.50		 0.87-
1.13		 515 310 20 30 156-207
  F5 0.15 0.30-
0.60		 0.030 0.030 0.50 4.0-
6.0		 0.44-
0.65		 0.50 485 275 20 35 143-217
  F5a 0.25 0.6 0.040 0.030 0.50 4.0-
6.0		 0.44-
0.65		 0.50 620 450 22 50 187-248
  F321 0.08 2 0.045 0.030 1.00 ≥17.0 9.00-
12.00		 5C%-
0.70		 515 205 30 50
  F304 0.08