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GX40CrNi27-4 | 1.4340 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification
1.4340 (SEW 410 : 1998-07) 1.4340 SEW 410 : 1998-07 SEW 410 : 1998-07 replaced by SEW 410 : 2017-12 Replaced Germany GX40CrNi27-4 1.1 1)
1) Remark: GX40CrNi27-4, for wear resistant and corrosion resistant cast parts for chemical industry, shipbuilding, mining, such as valve casings, press spindles, fly cutter. Compared to GX70Cr29 and GX120Cr29 especially for larger and complexer cast parts where the toughness properties of these materials are insufficient, e.g. for large pump casings and impellers, for chemical industry and mining.

Chemical Composition

C [%] Cr [%] Mn [%] Ni [%] P [%] S [%] Si [%]
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Hardness HB | HBW
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Physical Properties

Temperature [°C] Density [g/cm³] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Mean Specific Heat Capacity [kJ/(kg*K)]
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Heat Treatment

Heat Treatment Temperature [°C]
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Material Compliance

REACh RoHS
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