Monel® 400 Squares

Monel 400 is a nickel-copper alloy with high strength and excellent corrosion resistance in a range of media including sea water, hydrofluoric acid, sulfuric acid and alkalies. Monel 400 is used for marine engineering, chemical and hydrocarbon processing equipment, valves, pumps, shafts, fittings, fasteners and heat exchangers. Standard product forms are round, hexagon, flats, forging stock, pipe, tube, plate, sheet, strip and wire.

Unit of Measure

Items	M400S-250 Monel® 400 Squares	M400S-281 Monel® 400 Squares	M400S-312 Monel® 400 Squares	M400S-343 Monel® 400 Squares	M400S-375 Monel® 400 Squares
Material	N/A Monel®
Shapeform	N/A Squares
Size	N/A 1/4 inches	N/A 9/32 inches	N/A 5/16 inches	N/A 11/32 inches	N/A 3/8 inches
Size	N/A 0.25 inches6.35 mm	N/A 0.281 inches7.1374 mm	N/A 0.312 inches7.9248 mm	N/A 0.343 inches8.7122 mm	N/A 0.375 inches9.525 mm
Weight	N/A 0.239 lbs/ft0.3556798 kg/m	N/A 0.302 lbs/ft0.4494364 kg/m	N/A 0.373 lbs/ft0.5550986 kg/m	N/A 0.451 lbs/ft0.6711782 kg/m	N/A 0.537 lbs/ft0.7991634 kg/m
Alloy	N/A Monel 400
Basic Composition	N/A 1.1% Manganese 1.6% Iron 32.0% Copper 65.1% Nickel
Density	N/A 0.319 lbs/in³8.82989 g/cm³
ASTM Specification	N/A ASME SB-164(w) ASTM B164(w) Federal/Military QQ-N 281 SAE 4675 SAE 4730(w) SAE 4731(w) UNS N04400
Tensile Strength	N/A 80000 psi550 MPa
Yield Strength (0.2% Offset)	N/A 35000 psi240 MPa
Elongation	N/A 40 %
Melting Temperature Range	N/A 2370 to 2460 ºF1300 to 1350 ºC