X1CrNi25-21 | 1.4335 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification Application temperature [°C]
1.4335 (DIN EN 10088-1 : 2005-09) X1CrNi25-21 1.4335 DIN EN 10088-1 : 2005-09 DIN EN 10088-1 : 1995-08 replaced by DIN EN 10088-1 : 2014-12 Replaced Germany X1CrNi25-21 1.1.2 -196 - 400 1)
1) Remark: The corrosion resistant rolled steel X 1 CrNi 25 21 (new designation: X1CrNi25-21), material number 1.4335 is applicable acc. to VdTÜV-material specification 468 : 2001for pressure vessels as per TRB 100 and AD-data sheets W 2 and W 10 from -196 to 400 °C. Application: in nuclear power engineering as far as nuclear rules resp. object-related specifications permit use from -196 to 400 °C. The material is owing to its low content of contaminative elements and its special melting process (VOD resp. AOD process with subsequent ESU process) particularly resistant to oxidizing acids. The weldability is given for the methods metal-arc welding and TIG welding. In terms of corrosion the filler material should be of the same or higher grade. Furthermore the filler have to be tested for the lowest working temperature. Its recommended to contact the purchaser. An heat-treating afte the welding isnt necessary. To the material acc. to DIN EN 10088-1 : 1995-08 applies: The steel is melted with restricted chemical analysis. It shows high corrosion resistance to oxidizing acids (esp. nitric acid). This material is resistant to intercrystalline corrosion also in sensitized condition. Application in urea synthesis, for components with nitric acid impact up to a concentration of 70 % and increased temperature, in fertilizer industry as well as for different chemical procedures.

Chemical Composition

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

REACh RoHS
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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] Yield Strength (1.0% offset) [MPa] Elongation A [%] Elongation A80 [%]
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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)] Magnetizeability
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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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Heat Treatment

Semi-finished Product Heat Treatment Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
Z 2 CNNb 25-20 France NF A 35-584
X1CrNi25-21 International ISO 16143-1
X1CrNi25-21 International ISO 16143-2
X1CrNi25-21 International ISO 16143-3
X1CrNi25-21 International ISO 9328-7
X1CrNi25-21 International ISO TS 15510
X 6 CrNi 25 20 Italy UNI 6901
X 1 CrNi 25 21 Germany VdTÜV 468
X 1 CrNi 25 21 Germany SEW 400
X1CrNi25-21 Europe EN 10088-4

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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Density

Temperature [°C] Density [g/cm³]
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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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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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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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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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Thermal conductivity

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

Temperature [°C] Specific electrical resistance [µΩm]
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Designation

Designation Material number Source
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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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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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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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Yield strength

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