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GX40CrSi17 | 1.4740 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Successor Application temperature [°C]
1.4740 (DIN 17465 : 1993-08) 1.4740 DIN 17465 : 1993-08 DIN 17465 : 1993-08 replaced by DIN EN 10295 : 2003-01 Replaced Germany GX40CrSi17 ≤ 950 1)
1) Remark: G-X 40 CrSi 17, basically for parts of oven for medium mechanical loadings, like widdle grate, rods for grates, pipe clamp and pipe connexion, distance plates, far jet nozzles. In cement industry for protecting rings and protecting archs, segments etc., for cased insert box and attachments for superheater. resistance: - in oxidising burning atmosphere: 950°C - in reductive burning atmosphere: 900°C - in oxidising sulfureous gas: 950°C - in reductive sulfureous gas: 900°C

Chemical Composition

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

Semi-finished Product Condition 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)] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)]
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Creep Rupture Behaviour

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

Material Name Country Standard
G X 35 Cr 17 Italy UNI 3159-83
40CrSi18 Hungary MSZ 4357

Material Compliance

REACh RoHS
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