24 CrMo 5 | 1.7258 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Application temperature [°C] VDA 231-106 classification
1.7258 (DIN 17240 : 1976-07) 1.7258 DIN 17240 : 1976-07 DIN 17240 : 1976-07 replaced by DIN EN 10269 : 2006-07 Replaced Germany ≤ 530 1.1 1)
1) Remark: High temperature steel for screws and nuts in the chemical industry as well as for forgings in the steam turbine construction up to 530 °C.

Chemical Composition

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

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Reduction of Area [%]
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Differential Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Thermal Diffusivity [10^-6 m²/s] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)] True Specific Heat Capacity [kJ/(kg*K)]
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Welding and Joining

Procedure Welding and Joining - Evaluation Nominal Size [mm] Preheating [°C] Added Materials Information
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Toughness Data (Impact)

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Creep Rupture Behaviour

Temperature [°C] Creep Tensile Strength at 10^4 h [MPa] Creep Tensile Strength at 3*10^4 h [MPa] Creep Tensile Strength at 10^5 h [MPa] 1% Creep Limit at 10^4 h [MPa] 1% Creep Limit at 3*10^4 h [MPa] 1% Creep Limit at 10^5 h [MPa]
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Cross Reference

Material Name Country Standard
24 CrMo 5 Germany KTA 3201.1
25 CD 4 France NF A 35-552
708 A 25 Great Britain BS 970
30ChM Russia GOST 5520
F 31 International ISO 2604/1-75
SCM 822 Japan JIS G 4105
24 CrMo 5 SW Austria M 3108
25 HM Poland PN H-84030/04
2225 Sweden SS
4130 USA AISI

Material Compliance

REACh RoHS
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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Specific heat

Temperature [°C] Specific heat [kJ/(kg*K)]
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Density

Temperature [°C] Density [g/cm³]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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