Chemical Requirement of Austenitic Steels (A193/A193M)

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Chemical Requirement of Austenitic Steels (A193/A193M),Normal maximum working pressures for steel tubes- in psi (lb/in2) and kPa (kN/m2)
 
   
Metal Steel Technology Summary>> Chemical Requirement of Austenitic Steels (A193/A193M)

Chemical Requirement of Austenitic Steels (A193/A193M),
B8,B8A,B8C,B8CA,B8M,B8MA,B8M2,B8M3,B8P,B8PA,B8N,B8NA,B8MN,B8MNA,B8MLCuN,B8MLCuNA
,B8T,B8TA,B8R,B8RA,B8S,B8SA,B8LN,B8LNA,B8MLN,B8MLNA

 



Type
Austenitic Steels, Class 1,1A,1D,and 2
Grade
B8,B8A
B8C,B8CA
B8M,B8MA,B8M2,B8M3
B8P,B8PA
UNS Designation
S30400(304)
S34700(347)
S31600(316)
S30500
Range
Product Variation,Over or Under B
Range
Product Variation,Over or Under B
Range
Product Variation,Over or Under B
Range
Product Variation,Over or Under B
Carbon ,max
0.08
0.01 over
0.08
0.01 over
0.08
0.01 over
0.12
0.01 over
Manganese, max
2.00
0.04 over
2.00
0.04 over
2.00
0.04 over
2.00
0.04 over
Phosphorus, max
0.045
0.010 over
0.045
0.010 over
0.045
0.010 over
0.045
0.010 over
Sulfur, max
0.030
0.005 over
0.030
0.005 over
0.030
0.005 over
0.030
0.005 over
silicon
1.00
0.05 over
1.00
0.05 over
1.00
0.05 over
1.00
0.05 over
Chromium
18.0-20.0
0.20
17.0-19.0
0.2
16.0-18.0
0.20
17.0-19.0
0.20
Nickel
8.0-11.0
0.15
9.0-12.0
0.15
10.0-14.0
0.15
11.0-13.3
0.15
Molybdenum
-
-
-
-
2.00-3.00
0.10
-
-
Columbium +tantalum
-
-
10 * carbon content, min; 1.10 max
0.05 under
-
-
-


Type
Austenitic Steels , Classes 1A,1B,1D, and 2
Grade
B8N,B8NA
B8MN,B8MNA
B8MLCuN,B8MLCuNA
UNS Designation
S30451(304N)
S31651(316N)
S31254
Range
Product Variation,Over or Under B
Range
Product Variation,Over or Under B
Range
Product Variation,Over or Under B
Carbon ,max
0.08
0.01 over
0.08
0.01 over
0.020
0.005 over
Manganese, max
2.00
0.04 over
2.00
0.04 over
1.00
0.03 over
Phosphorus, max
0.045
0.010 over
0.045
0.010 over
0.030
0.005 over
Sulfur, max
0.030
0.005 over
0.030
0.005 over
0.010
0.002 over
silicon
1.00
0.05 over
1.00
0.05 over
0.08
0.05 over
Chromium
18.0-20.0
0.20
16.0-18.0
0.20
19.5-20.5
0.20
Nickel
8.0-11.0
0.15
10.0-13.0
0.15
17.5-18.5
0.15
Molybdenum
-
-
2.00-3.00
0.10
6.0-6.5
0.10
Nitrogen
0.10-0.16
0.01
0.10-0.16
0.01
0.18-0.22
0.02
Copper
-
-
-
-
0.50-1.00
-


Type
Austenitic Steels , Classes 1,1A, and 2
Grade
B8T,B8TA
UNS Designation
S32100(321)
Range
Product Variation,Over or Under
Carbon ,max
0.08
0.01 over
Manganese, max
2.00
0.04 over
Phosphorus, max
0.045
0.010 over
Sulfur, max
0.030
0.005 over
silicon,max
1.00
0.05 over
Chromium
17.0-19.0
0.20
Nickel
9.0-12.0
0.15
Titanium
5*(C+N)min,0.70max
0.05under
Nitrogen
0.10 max
…



Type
Austenitic Steels ,Classes 1C and 1D
Grade
B8R,B8RA
B8S,B8SA
UNS Designation
S20910
S21800
Range
Product Variation,Over or Under B
Range
Product Variation,Over or Under B
Carbon ,max
0.06
0.01 over
0.10
0.01 over
Manganese, max
4.0-6.0
0.05
7.0-9.0
0.06
Phosphorus, max
0.045
0.005 over
0.060
0.005 over
Sulfur, max
0.030
0.005 over
0.030
0.005 over
silicon,max
1.00 max
0.05 over
3.5-4.5
0.15
Chromium
20.5-23.5
0.25
16.0-18.0
0.20
Nickel
11.5-13.5
0.15
8.0-9.0
0.10
Molybdenum
1.5-3.00
0.10
-
-
Nitrogen
0.20-0.40
0.02
0.08-0.18
0.01
Columbium + tantalum
0.10-0.30
0.05
-
-
Vanadium
0.10-0.30
0.02
-
-



Type
Austenitic Steels , Classes 1,1A, and 1D
Grade
B8LN,B8LNA
B8MLN,B8MLNA
UNS Designation
S30453
S31653
-
Range
Product Variation,Over or Under
Range
Product Variation,Over or Under
Carbon ,max
0.030
0.005 over
0.030
0.005 over
Manganese
2.00
0.04 over
2.00
0.04 over
Phosphorus, max
0.045
0.010 over
0.045
0.010 over
Sulfur, max
0.030
0.005 over
0.030
0.005 over
silicon
1.00
0.05 over
1.00
0.05 over
Chromium
18.0-20.0
0.20
16.0-18.0
0.20
Nickel
8.0-11.0
0.15
10.0-13.0
0.15
Molybdenum
-
-
2.00-3.00
0.1
Nitrogen
0.10-0.16
0.01
0.10-0.16
0.01



 

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Chemical Requirement of Austenitic Steels (A193/A193M)