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L7 Alloy steel
|
AISI 4140/4142 Quenched and tempered
|
L43 Alloy steel
|
AISI 4340 Quenched and tempered
|
B8 Class 1 Stainless steel
|
AISI 304, carbide solution treated
|
B8M Class 1 Stainless steel
|
AISI 316, carbide solution treated
|
B8 Class 2 Stainless steel
|
AISI 304, carbide solution treated, strain hardened
|
B8M Class 2 Stainless steel
|
AISI 316, carbide solution treated, strain hardened
|
Grade
|
Size
|
Tensile,
ksi, min |
Yield,
ksi, min |
Charpy Impact
20-ft-lbf @ temp |
Elong,
%, min |
RA, %, min
|
L7
|
Up to 21/2
|
125
|
105
|
-150° F
|
16
|
50
|
L43
|
Up to 4
|
125
|
105
|
-150° F
|
16
|
50
|
B8
Class 1 |
All
|
75
|
30
|
N/A
|
30
|
50
|
B8M
Class 1 |
All
|
75
|
30
|
N/A
|
30
|
50
|
B8
Class 2 |
Up to 3/4
|
125
|
100
|
N/A
|
12
|
35
|
7/8 - 1
|
115
|
80
|
N/A
|
15
|
35
|
|
11/8 - 11/4
|
105
|
65
|
N/A
|
20
|
35
|
|
13/8 - 11/2
|
100
|
50
|
N/A
|
28
|
45
|
|
B8M
Class 2 |
Up to 3/4
|
110
|
95
|
N/A
|
15
|
45
|
7/8 - 1
|
100
|
80
|
N/A
|
20
|
45
|
|
11/8 - 11/4
|
95
|
65
|
N/A
|
25
|
45
|
|
13/8 - 11/2
|
90
|
50
|
N/A
|
30
|
45
|
Grade
|
Nuts
|
Washers
|
L7
|
A194 Grade 4 or 7
|
F436
|
L43
|
A194 Grade 4 or 7
|
F436
|
B8 Class 1
|
A194 Grade 8
|
SS304
|
B8M Class 1
|
A194 Grade 8M
|
SS316
|
B8 Class 2
|
A194 Grade 8, strain hardened
|
SS304
|
B8M Class 2
|
A194 Grade 8M, strain hardened
|
SS316
|