Threshold Galling Stress Chart

Use our handy Threshold Galling Stress Chart to help you on your current project!

ALLOY	TYPE 440C	17-4 PH	TYPE 410	TYPE 416	NITRONIC 60	TYPE 430	TYPE 303	TYPE 316	TYPE 304	NICKEL ALUM BRONZE
BRINELL HARDNESS	560	415	352	342	205	159	153	150	140	140-180

TYPE 440C	108	29	29	206	490	20	49	363	29	500
17-4 PH	29	20	29	20	490	29	20	20	20	500
TYPE 410	29	29	29	39	490	29	39	20	20	500
TYPE 416	206	20	39	128	490	29	88	412	235	500
NITRONIC 60	490	490	490	490	490	355	490	373	490	500
TYPE 430	20	29	29	29	355	20	20	20	20	500
TYPE 303	49	20	39	88	490	20	20	29	20	500
TYPE 316	363	20	20	412	373	20	29	20	20	500
TYPE 304	29	20	20	235	490	20	20	20	20	500
NICKEL ALUM BRONZE	500	500	500	500	500	500	500	500	500	500

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*These calculators are designed to be informational and reference tools only, and when used alone, do not constitute project advice. The results presented by this calculator provide guidance and should not take the place of appropriate engineering work. Marples Gears Inc. is not responsible for the consequences of any decisions or actions taken in reliance upon or as a result of the information provided by these tools.