Material Grade or Class
|
Size Range
|
Endurance Limit
|
---|---|---|
SAE 5
|
1/4 to 1 inch
|
18.6 kpsi
|
SAE 5
|
1-1/8 to 1-1/2 inch
|
16.3 kpsi
|
SAE 7
|
1/4 to 1-1/2 inch
|
20.6 kpsi
|
SAE 8
|
1/4 to 1-1/2 inch
|
23.2 kpsi
|
ISO 8.8
|
M16 to M36
|
129 Mpa
|
ISO 9.8
|
M1.6 to M16
|
140 Mpa
|
ISO 10.9
|
M5 to M36
|
163 Mpa
|
ISO 12.9
|
M1.6 to M36
|
190 Mpa
|
Metric M16, CL 8.8
|
M16
|
10.2 ksi
|
Metric M14 x 1.5
|
M14 x 1.5
|
7.1 to 11.4 ksi
|
SAE J429, GR 8
|
---
|
18 ksi
|
Metric CL 10.9
|
M12 x 1.25
|
8 ksi
|
M10, grade 12.9
|
---
|
6.9 to 10.7 ksi
|