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Alloy |
ASME |
Diameter
Requirement |
Tensile
strength
min, ksi |
Yield
strength
min, ksi |
Elongation
min % |
Reduction of
Area min % |
Hardness
max |
Impact
Test |
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B7 |
SA193 |
2.1/2" & Under Over
2.1/2" to 4" Over 4" to
7" |
125
115
100 |
105
95
75 |
16
16
18 |
50
50
50 |
321 HB
321 HB
321 HB |
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| B7M |
SA193 |
4" & Under
Over 4" to 7" |
100
100 |
80
75 |
18
18 |
50
50 |
235 HB
235 HB |
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B16 |
SA193 |
2.1/2" & Under
Over 2.1/2" to 4"
Over 4" to 8" |
125
110
100 |
105
95
85 |
18
17
16 |
50
45
45 |
321 HB
321 HB
321 HB |
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B8, B8M,
B8C, B8T |
SA193 |
All Diameter |
75 |
30 |
30 |
50 |
223 HB |
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Class 1 |
Carbide Solution Treated |
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B8, B8C,
B8T |
SA193 |
3/4" & Under
3/4" to 1"
Over 1" to 1.1/4"
Over 1.1/4" to 1.1/2" |
125
115
105
100 |
100
80
65
50 |
12
15
20
28 |
35
35
35
45 |
321 HB
321 HB
321 HB
321 HB |
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| |
Class 2 |
Carbide Solution Treated &
Strain Hardened |
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L7 |
SA320 |
2.1/2" & Under |
125 |
105 |
16 |
50 |
321 HB |
@-101ํC
min
27 Joules |
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L7M |
SA320 |
2.1/2" & Under |
100 |
80 |
18 |
50 |
235 HB |
@-101ํC
min
27 Joules |
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L43 |
SA320 |
4" & Under |
125 |
105 |
16 |
50 |
321 HB |
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B8, B8M,
B8C, B8T |
SA320 |
All Diameter |
75 |
30 |
30 |
50 |
223 HB |
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