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15NiCuMoNb5-6-4 | 1.6368 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
1.6368 (DIN EN 10216-2 : 2020-04) 15NiCuMoNb5-6-4 1.6368 DIN EN 10216-2 : 2020-04 DIN EN 10216-2 : 2020-04 replaced by DIN EN 10216-2 : 2025-02 Replaced Germany 15NiCuMoNb5-6-4 15NiCuMoNb5-6-4 1.1.1 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 [%] C [%] Cr [%] Cu [%] Mn [%] Mo [%] Nb [%] 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] Shear Modulus [GPa] Poisson's Ratio 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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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]
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Heat Treatment

Heat Treatment Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
15NiCuMoNb5-6-4 Germany VdTÜV 377-1
15NiCuMoNb5-6-4 Europe EN 10216-2
K21001 USA UNS
A213 Grade T36 USA ASTM A213 1)
A335 Grade P36 USA ASTM A335 2)
T36 USA ASTM A213 1)
P36 USA ASTM A335 2)
Grade T36 USA ASTM A213 1)
Grade P36 USA ASTM A335 2)
K21001 USA UNS 2)
15NiCuMoNb5 Germany SEW 028
1) Source: TPS-Technitube Röhrenwerke GmbH, Daun, 2017
2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename Supplier
15NiCuMoNb5-6-4 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
15NiCuMoNb5-6-4 Salzgitter Mannesmann Stahlhandel GmbH, Düsseldorf
15NiCuMoNb5-6-4 pauly STAHLHANDEL, Essen

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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