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GX40CrNiSi25-12 | 1.4837 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification Application temperature [°C]
1.4837 (DIN EN 10295 : 2003-01) GX40CrNiSi25-12 1.4837 DIN EN 10295 : 2003-01 Supersedes DIN 17465 : 1993-08 Valid Germany GX40CrNiSi25-12 1.1.2 ≤ 1100 1)
1) Remark: According to DIN EN 10295 : 2003-01, the highest application temperature in air is 1050 °C for the material GX40CrNiSi25-12, material number 1.4837 (the former G-X 40 CrNiSi 25 12). The following is valid for the comparable DIN-material: The austenitic material is especially suitable for parts that are subjected to high mechanical stress, such as chain links and vibrating feeder chutes. Durability: - with an oxidizing combustion atmosphere: 1100 °C, - with a reducing combustion atmosphere: 1040 °C, - with oxidizing gases containing sulphur: 1080 °C, - with reducing gases containing sulphur: 1000 °C.

Chemical Composition

C [%] Cr [%] Mn [%] Mo [%] Ni [%] P [%] S [%] Si [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%]
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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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Creep Rupture Behaviour

Temperature [°C] Creep Tensile Strength at 10² h [MPa] Creep Tensile Strength at 10³ h [MPa] 1% Creep Limit at 10^4 h [MPa]
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Cross Reference

Material Name Country Standard
ZG35Cr26Ni12 China GB/T 6403 1)
C53880 China GB/T 6403 1)
ZG40Cr25Ni12Si2 China GB/T 8492 1)
C53881 China GB/T 8492 1)
GX40CrNiSi25-12 Europe EN 10295
7 Type 1 (IS 4522) India IS 4522 1)
7 Type 2 (IS 4522) India IS 4522 1)
GX40CrNiSi25-12 International ISO 11973 1)
SCH13 Japan JIS G 5122 1)
SSC13 South Korea KS D 4103 1)
A297 Grade HH USA ASTM A297 1)
HH USA ASTM A297 1)
Grade HH USA ASTM A297 1)
J93503 USA UNS 1)
GX40CrNiSi25-12 Germany DIN 17465
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

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