Hempel Special Metals

Alloy 254 SMO / 1.4547 / UNS S31254

Wido Glombitza

Business Unit Manager Medical, Aerospace, Industry

+41 (0)44 823 88 27
Wido Glombitza

Alloy 254 SMO is an austenitic stainless steel alloy with 6% molybdenum and nitrogen. It has a very high resistance to crevice and surface corrosion. Alloy 254 SMO was specially developed for the pulp and paper industry and for offshore use on oil and gas platforms. Alloy 254 SMO / 1.4547 / UNS S31254 metal powder for 3d metal printing

We are pleased to offer you powder for 3D printing made of Alloy 254 SMO / 1.4547 / UNS S31254. Send us your inquiry

Material Designation1.4547
UNSS31254
Alloy254 SMO
EN Material SymbolX1CrNiMoCuN20-18-7
Density8g/cm³

Main fields of application of Alloy 254 SMO / 1.4547

Alloy 254 SMO is used in particular in areas requiring resistance to chlorinated seawater, as well as in flue gas cleaning, maritime exhaust gas cleaning (EGC), bleaching plants in the pulp and paper industry and in the chemical industry.

Chemical composition of alloy 254 SMO / 1.4547 / UNS S31254

Element%
C0.02
Si0.70
Mn1.0
P0.03
S0.01
Mo6.0 - 7.0
Ni17.5 - 18.5
N0.18 - 0.25
Cu0.5 - 1.0
Cr19.5 - 20.5

Characteristics of Alloy 254SMO / 1.4547

Mechanical PropertiesHardness HB 300.2 % Yield Strengh RptTensile Strength RmElongation A5Modulus of Elasticity
20 °C≤ 250≥ 300650-850≥ 35200

Physical Properties

Physical PropertiesDensitySpecific HeatThermal ConductivityElectrical Resistivity
20 °C8 g/cm³500 J/kg K13 W/m K0.85 Ω mm²/m
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