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X11CrMoWVNb9-1-1 | 1.4905 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor Successor VDA 231-106 classification
1.4905 (DIN EN 10216-2 : 2020-04) X11CrMoWVNb9-1-1 1.4905 DIN EN 10216-2 : 2020-04 DIN EN 10216-2 : 2020-04 replaced by DIN EN 10216-2 : 2025-02 Replaced Germany X11CrMoWVNb9-1-1 X11CrMoWVNb9-1-1 1.1.2 1)
1) Remark: Seamless steel tube for pressure purposes with specified elevated temperature properties. The steel grade meet the essential requirements of Directive 2014/68/EU.

Chemical Composition

Al [%] B [%] C [%] Cr [%] Mn [%] Mo [%] N [%] Nb [%] Ni [%] P [%] S [%] Si [%] Ti [%] V [%] W [%] Zr [%] 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)] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)]
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Toughness Data (Impact)

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 10^5 h [MPa] Creep Tensile Strength at 2*10^5 h [MPa]
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Heat Treatment

Heat Treatment Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
11Cr9Mo1W1VNbBN China GB 5310 1)
X11CrMoWVNb9-1-1 Europe EN 10216-2
A335 Grade P911 USA ASTM A335 2)
P911 USA ASTM A335 2)
Grade P911 USA ASTM A335 2)
K91061 USA UNS 3)
A335 Grade P92 USA ASTM A335 1)
P92 USA ASTM A335 1)
Grade P92 USA ASTM A335 1)
K91061 USA UNS 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: TPS-Technitube Röhrenwerke GmbH, Daun, 2017
3) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename Supplier
X11CrMoWVNb9-1-1 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
X11CrMoWVNb9-1-1 Salzgitter Mannesmann Stahlhandel GmbH, Düsseldorf

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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