Alloy 400

A strong weldable, nickel copper alloy resistant to corrosion by seawater. Used in steam generators, feedwater heaters, cladding of offshore installations, pump and propeller shafts, marine fixtures and fasteners, also chemical processing equipment.

Maher Ltd stock alloy 400 bars in imperial sizes, primarily for the fastener industry. In addition to this extensive size range of round bars, a corresponding stock of hexagon bars is also held.

National Specifications

ASTM	UNS	SEA AMS	British Standard	Werkstoff
B164	N04400		3076 NA13	2.4360

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

Technical Data

Nominal Composition by Percent

	C	Mn	Si	S	Ni	Cu	Fe	-
Min	-	-	-	-	63.0	28.0	-	%
Max	0.3	2.0	0.5	0.024	-	34.0	2.5	%

Typical Mechanical Properties

Annealed Condition	PSI	MPa	%
Tensile Strength, min	70,000	480	-
Yield Strength (0.2% offset), min	25,000	170	-
Elongation on 4D, min	-	-	35
Reduction of Area	-	-	-
Hardness	-	-	-