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]