PIN DUTIES

PIN MATERIAL AND HARDNESS

FINISHES

M  Standard

B   High Carbon Steel SAE 1070-1095/CS 70

HV 420 TO 545

K   Plain, oiled

H   Heavy

C   Chrome Stainless Steel SAE 51420

HV 460 TO 560

P   Passivated, oiled

L   Light

D   Nickel Stainless Steel SAE 30302/30304

Work hardened

R   Phosphate coated

W Alloy Steel SAE 6150H

HV 423 to 544

T   Zinc plated