MATERIAL COMPARISONS FOR ASTM AND JIS (CASTING & FORGING)

 
General Classification "ASTM" Symbols "JIS" Symbols Service
Casting Forgings Casting Forgings Temp
 
   High-Temperature
  Cast Iron  A126-Class B    G5501-FC20  
  250X C
  Cast Iron  A126-Class C    G5501-FC25  
  250X C
  Carbon Steel  A216-WCA    G5151-SCPH1  
  420X C
  Carbon Steel  A216-WCB  A105  G5151-SCPH2  G3202-SFVC 2A
  420X C
  1/2Mo Steel  A217-WC1  A182-F1  G5151-SCPH11  G3203-SFVA F1
  500X C
  1¼Cr-1/2Mo  A217-WC6  A182-F11  G5151-SCPH21  G3203-SFVA F11A
  550X C
  2¼Cr-1Mo  A217-WC9  A182-F22  G5151-SCPH32  G3203-SFVA F22A
  600X C
  5Cr1/2Mo  A217-C5  A182-F5a  G5151-SCPH61  G3203-SFVA F5D
  600X C
  9Cr-1Mo  A217-C12  A182-F9    G3203-SFVA F9
  650X C
 
   Low-Temperature
  Al Stel  A352-LCB,LCC  A350-LF2  G5121-SCPL1  G3205-SFL2
 -46X C
  1/2 Mo Steel  A352-LC1    G5121-SCPL11  
 -60X C
  2½ Ni Steel  A352-LC2    G5121-SCPL21  
 -73X C
  3½ Ni Steel  A352-LC3  A350-LF3  G5121-SCPL31  G3205-SFL3
 -101X C
 
   Stainless Steel
  13Cr-1/2Mo  A217-CA15  A182-F6a  G5121-SCS1  G4303-410
 550X C
  18Cr-8Ni(Co.03)  A351-CF3  A182-F304L  G5121-SCS19A  G3214-SUS
 F304L 800X C
  18Cr-8Ni(Co.08)  A351-CF8  A182-F304  G5121-SCS13A  G3214-SUS
 F304 800X C
  18Cr-8Ni-2Mo(Co.03)  A351-CF3M  A182-F316L  G5121-SCS16A  G3214-SUS
 F316L 800X C
  18Cr-8Ni-2Mo(Co.08)  A351-CF8M  A182-F316  G5121-SCS14A  G3214-SUS
 F316 800X C
  18Cr-8Ni-Ti    A182-F321  G3214-SUS  
 F321 800X C
  18Cr-8Ni-Cb  A351-CF8M  A182-F347  G5121-SCS21  G3214-SUS
 F347 800X C
  22Cr-12Ni  A351-CH20    G5121-SCS17  
 1200X C
  23Cr-19Ni  A351-CK20    G5121-SCS18  
 1200X C
  19Cr-27Ni-2Mo-3Cu  A351-CN7M    G5121-SCS23  
 1200X C
 

General Classification

"ASTM" symbols "JIS"
symbols

Service Temp

   High-Temperature(Bolt)
 Mild Steel    G3101-SS41
 260X C
 Carbon Steel  A307-B  G4051-S250
420X C
 5Cr-1/2Mo  A193-B5  G4107-SNB5
600X C
 1Cr-1/5Mo  A193-B7  G4107-SNB7
550X C
 Cr-Mo-Va  A193-B16  G4107-SNB16
600X C
 18Cr-8Ni  A193-B8  G4303-SUS304
800X C
 18Cr-10Ni-Cb  A193-B8C  G4303-SUS347
800X C
 18Cr-10Ni-Ti  A193-B8T  G4303-SUS321
800X C
 18Cr-12Ni-2Mo  A193-B8M  G4303-SUS316
800X C
 15Cr-25Ni-Mo-Ti-V-B  A453-660  
540X C
General Classification "ASTM" symbols "JIS"
symbols
Service
Temp
   Low-Temperature(Bolt)
 Cr-Mo  A320-L7  
 -101X C
 18Cr-8Ni  A320-B8  G4303-SUS304
 -196X C
 18Cr-10Ni-Cb  A320-B8C  G4303-SUS347
 -196X C
 18Cr-10Ni-Ti  A320-B8T  G4303-SUS321
 -196X C
 18Cr-12Ni-2Mo  A320-B8M  G4303-SUS316
 -196X C
   Nut
 Carbon Steel(CO.15)    G4051-S20C
 420X C
 Carbon Steel(Co.40)  A194-2H  G4051-S45C
 550X C
 Carbon Mo Steel  A194-4  
 600X C
 18Cr-8Ni  A194-8  G4303-SUS304
 800X C
 18Cr-10Ni-Cb  A194-8C  G4303-SUS347
 800X C
 18Cr-10Ni-Ti  A194-8T  G4303-SUS321
 800X C
 18Cr-12Ni-2Mo A194-8M  G4303-SUS316
 800X C
 

Valve Body Bolting Materials

Body Materials Temperature Degres F Bolts Material Specification Nuts
  Carbon Steel (Grade WCB)
    -20 to 800
    ASTM A193 Gr B7
    ASTM A194 Gr 2H
  Carbon Steel (Grade LCB)
    -50 to 650
    ASTM A320 Gr L7
    ASTM A194 Gr 4
  Carbon Moly (Grade WC1)
    -20 to 850
    ASTM A193 Gr B7
    ASTM A194 Gr 2H
  1¼Cr - 1/2 Mo (Grade WC6)
    -20 to 1000
    ASTM A193 Gr B7
    ASTM A193 Gr 2H
  2¼Cr - 1 /2 Mo (Grade WC9)
    -20 to -1000
    1000 to 1050
    ASTM A193 Gr B7
    ASTM A193 Gr B16
    ASTM A194 Gr B7
    ASTM A194 Gr 4
  5Cr-1/2 Mo (Grade C5)
    -20 to 1000
    1000 to 1100
    ASTM A193 Gr B7
    ASTM A193 Gr B16
    ASTM A194 Gr 2H
    ASTM A194 Gr 4
  9Cr-1 Mo (Grade C12)
    -20 to 1000
    1000 to 1100
    ASTM A193 Gr B7
    ASTM A193 Gr B16
    ASTM A194 Gr 2H
    ASTM A194 Gr 4
  Type 304 (Grade CF8)
    -425 to 100
    100 to 1500
    ASTM A320 Gr B8
   *ASTM A193 Gr B8
    ASTM A194 Gr 8
   *ASTM A194 Gr 8
  Type 316 (Grade CF8M)
    -425 to 100
    100 to 1500
    ASTM A320 Gr B8
   *ASTM A193 Gr B8M
    ASTM A194 Gr 8
   *ASTM A194 Gr 8M
  31/2Ni (Grade LC3)
    -150 to -50
    ASTM A320 Gr B7
    With Charoy Test or 8M
    ASTM A194 Gr 8
    -50 to 650
    ASTM A193 Gr B7
    ASTM A194 Gr 2H
* Alloy steel bolting. A193 Gr B7 bolts and A194 Gr 2H outs can be used at nocerate temperatures depending on the permissible differential expansion

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