Calculating Allowable Stresses for Clevis Pin Joints in English Units
Part Material | Unmovable joint mounting p A [psi] | Movable joint mounting p A [psi] |
static | repeated | alternating | static | repeated | alternating |
Steel grade. 37, 42 | 11 950 | 9 250 | 7 110 | 4 260 | 3 400 | 1 700 |
Steel grade 50, 60 high-grade and Alloy Steel | 17 050 | 12 800 | 8 500 | 4 260 | 3 400 | 1 700 |
Cast Steel | 11 400 | 8 500 | 5 700 | 4 260 | 3 400 | 1 700 |
gray Cast Iron | 10 000 | 4 260 | 4 260 | 5 700 | 4 550 | 2 300 |
Pin Material | σ BA [psi] | τ A [psi] |
static | repeated | alternating | static | repeated | alternating |
11 373, 11 423, 11 110 | 11 400 | 7 800 | 5 000 | 7 100 | 5 000 | 3 550 |
11 500 | 15 650 | 11 400 | 7 100 | 9 950 | 7 100 | 5000 |
11 600 | 18 500 | 13 500 | 8 500 | 12 100 | 8 500 | 6 000 |
11 700, 12 040 | 21 300 | 15 650 | 9 700 | 14 200 | 9 700 | 6 800 |
where:
| | p A | allowable pressure [psi] |
| | σ BA | allowable bending stress [psi] |
| | τ A | allowable shear stress [psi] |