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GX40CrNiSiNb24-24 | 1.4855 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]
1.4855 (DIN EN 10295 : 2003-01) GX40CrNiSiNb24-24 1.4855 DIN EN 10295 : 2003-01 Supersedes DIN 17465 : 1993-08 Valid Germany G-X 30 CrNiSiNb 24 24 1.1.2 ≤ 1050 1)
1) Remark: According to DIN EN 10295 : 2003-01, the highest temperature in air is 1050 °C for the material GX40CrNiSiNb24-24, material number 1.4855 (the former G-X 30 CrNiSiNb 24 24). The following is valid for the comparable austenitic DIN-material: Application for industrial furnaces, oil and gas plants. Resistance: - against carbonizing gases: good, - against gases containing nitrogen: good, - against oxidizing gases containing sulphur: medium, - with reducing gases containing sulphur: low.

Chemical Composition

C [%] Cr [%] Mn [%] Mo [%] Nb [%] 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)] Specific Electrical Resistance [µΩm] 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
ZG40Cr24Ni24Si2Nb China GB/T 8492 1)
C53831 China GB/T 8492 1)
GX40CrNiSiNb24-24 Europe EN 10295
GX40CrNiSiNb24-24 International ISO 11973 1)
SCH33 Japan JIS G 5122
GX30CrNiSiNb24-24 Germany DIN 17465
G-X 30 CrNiSiNb 24 24 Germany SEW 595
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

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