Tin Specification ASTM-B-545-97e1
 

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Tin Plating Specification: ASTM-B-545-97e1

 

Spec.	Thickness	Comment
ASTM-B- 545-97e1		ASTM requires purchaser to supply information, such as base metal, underplating, test requirements and test methods etc. In general, copper alloys containing more than 5% Zn shall have a copper undercoating of at least 0.0001" or nickel undercoating of at least 0.000050".
Class A	.0001" min
Class B	.0002" min
Class C	.00032" min	.0004" min. for steel.
Class D	.0006" min	.0008" min. for steel.
Class E	.0012" min	ASTM requires purchaser to supply information, such as base metal, underplating, test requirements and test methods etc. In general, copper alloys containing more than 5% Zn shall have a copper undercoating of at least 0.0001" or nickel undercoating of at least 0.000050".
Type Matte
Type Bright
Type Flow- brightened	-----------	Flow brightening available