Allowable Stresses in Pin Joints

Part Material	Immovable Mountings p _A[MPa]			Rotary Joint Mountings p _A[MPa]
Part Material	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]
Pin Material	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.