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X 3 CrMnNiMoN 25 6 4 Material Datasheet

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Material Description

Material Number Material Name Standard Standard Status Country VDA 231-106 classification Application temperature [°C]
A905 (VdTÜV WB 481 : 2001-09) X 3 CrMnNiMoN 25 6 4 VdTÜV WB 481 : 2001-09 Valid Germany 1.1.2 -10 - 250 1)
1) Remark: The high alloy steel X 3 CrMnNiMoN 25 6 4 of the company BÖHLER GmbH (Austria), mark A905 (A905 here as material no.) is comparable with X3CrMnNiMoN26-5-4, mat. no. 1.4467, of the Stahl-Eisen-Liste. Acc. to VdTÜV-Wbl 481 : 2001-09 the steel is used in form of sheet for pressure vessels acc. to TRB 100 and AD-data sheet W 2 from -10 to 250 °C. The material is resistant against intercrystalline corrosion. The weldability of the steel is examined allowing for the generally accepted engineering rules for metal-arc welding and inert gas welding (TIG). No preheating necessary and the intermediate layer temperature should not exceed 150 °C. No post-welding heat-treatment necessary. The material is cold and hot formable. Beyond the VdTÜV material data sheet applies: X3CrMnNiMoN26-5-4 is a stainless CrMnNiMo steel with nitrogen addition. Application: heat exchanger, sea water feed or injection pumps, shafts, high-stressed components in urea devices, centrifugal separators, parts for the gas gathering, turbine blades, low-pressure compressors, offshore parts

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] Elongation A [%]
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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] Thermal Conductivity [W/(m*K)] Mean Specific Heat Capacity [kJ/(kg*K)]
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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

Heat Treatment Nominal Size [mm] Temperature [°C] Medium
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Formability - Bending - Folding

Semi-finished Product Condition Nominal Size [mm] Bend Factor (180°)
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Cross Reference

Material Name Country Standard
A905 Germany VdTUEV WB 481

Producer/Supplier/Trade names

Tradename Supplier
Böhler A905 voestalpine BÖHLER Bleche GmbH & Co.KG, Mürzzuschlag
X 3 CrMnNiMoN 25 6 4 voestalpine BÖHLER Bleche GmbH & Co.KG, Mürzzuschlag

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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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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