NES 838 / DEF STAN 02-838

Phosphor bronze, typically used in 1st level systems in nuclear submarines.

National Specification

ASTM	UNS	SEA AMS	British Standard	Werkstoff
	C51000		2874 PB102

Material may also be released to Customer Specifications, subject to enquiry.

Nominal Composition by Percent

	P	Mn	Si	Sn	Ni	Cu	Fe	-
Min	0.02	-	-	4.0	-	-	-	%
Max	0.4	0.02	0.3	5.5	0.3	BAL	0.1	%

Typical Mechanical Properties