Monel® 400

A Nickel-Copper alloy with high strength and excellent corrosion resistance in a range of acidic and alkaline environments and especially suitable for reducing conditions. It also has good ductility and thermal conductivity.

Monel® 400 is also known as Phyweld 400 and Nicorros LC.

AMS 4730
ASTM B164
BS 3075 NA 13
BS 3076 NA 13
DTD 204B
ISO 15156-3
(NACE MR 0175)
QQ-N-281
W.Nr 2.4361
W.Nr 2.4360
UNS N04400
AWS 040
Excellent corrosion resistance in a wide range of acidic & alkaline environments
Especially suitable for reducing conditions
Good ductility & thermal conductivity
Good for sea water applications
Marine Engineering
Chemical Processing
Hydro-carbon Processing
Heat Exchangers
Valves
Pumps
Specifications
AMS 4730
ASTM B164
BS 3075 NA 13
BS 3076 NA 13
DTD 204B
ISO 15156-3
(NACE MR 0175)
QQ-N-281
W.Nr 2.4361
W.Nr 2.4360
UNS N04400
AWS 040
Excellent corrosion resistance in a wide range of acidic & alkaline environments
Especially suitable for reducing conditions
Good ductility & thermal conductivity
Good for sea water applications
Marine Engineering
Chemical Processing
Hydro-carbon Processing
Heat Exchangers
Valves
Pumps

Chemical Composition

Density

8.8 g/cm³ | 0.318 lb/in³

Melting Point

1350°C | 1350°C

Coefficient of Expansion

13.9 μm/m °C (20 – 100°C) | 7.7 x 10-6 in/in °F (70 – 212°F)

Modulus of Rigidity

65.3 kN/mm² | 9471 ksi

Modulus of Elasticity

173 kN/mm² | 25092 ksi

Heat Treatment of Finished Parts

Condition as supplied by Alloy Wire Type Temperature Time (Hr) Cooling
°C °F
Annealed or Spring Temper Stress Relieve 300 – 320 570 – 610 0.5 – 1 Air

Properties

Condition Approx. tensile strength Approx. operating temperature
N/mm² ksi °C °F
Annealed 400 – 600 58 – 87 -200 to +230 -330 to +445
Spring Temper 800 – 1100 116 – 160 -200 to +230 -330 to +445
The above tensile strength ranges are typical. If you require different please ask.

*Trade name of Special Metals Group of Companies