GM186M 2nd Edition, December 1, 2014
Sprint Materials Chrome Silicon Spring Steel Wire
Includes all amendments and changes through IN4D, December 2014
Additional Comments: ENGLISH * INACTIVE FOR NEW DESIGN * USE GMW17163
Published By:General Motors Company (GMNA)
This specification covers a special quality of chrome silicon steel intended for the manufacture of springs used at moderately elevated temperatures and high stresses. Two temper grades are specified for formed springs.
COMPARABLE SPECIFICATIONS. SAE J157 ASTM A401.