Allowable Stresses in Pin Joints

Part Material

Immovable Mountings p A [MPa]

Rotary Joint Mountings p A [MPa]

constant

repeating

alternating

constant

repeating

alternating

Steel grade 37, 42

84

65

50

30

24

12

Steel grade 50, 60 - high grade and alloy steels

120

90

90

30

24

24

Cast steel

80

60

40

30

24

12

gray cast iron

70

50

30

40

32

16

Pin Material

Immovable Mountings σ bA [MPa]

Rotary Joint Mountings τ A [MPa]

constant

repeating

alternating

constant

repeating

alternating

11 373, 11 423, 11 110

80

55

35

50

35

25

11 500

110

80

50

70

50

35

11 600

130

95

60

85

60

42

11 700, 12 040

150

110

68

100

68

48

Note: Values for grooved pins are 30 percent lower.