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X8CrNiNb16-13 | 1.4961 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 Application temperature [°C]
1.4961 (DIN EN 10216-5 : 2004-11) X8CrNiNb16-13 1.4961 DIN EN 10216-5 : 2004-11 DIN EN 10216-5 : 2004-11 replaced by DIN EN 10216-5 : 2014-03 Replaced Germany X8CrNiNb16-13 X8CrNiNb16-13 1.1.2 ≤ 800 1)
1) Remark: Fully austenitic, high temperature special steel, creep resistant up to approximately 800 degrees C, resistant to scaling up to 750 degrees C. It is insensitive to inclination to embrittlement. It is used for heat work tools as well as a component in hydrogenation plants that is resistant to pressurized hydrogen at high temperatures. It is predominantly used for componants in thermal power plants (turbine and steam boiler production), valves, discs, parts of casings, and superheater, heat exchanger and steam ducts.

Chemical Composition

C [%] Cr [%] Mn [%] 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 Yield Strength (0.2% offset) [MPa] Yield Strength (1.0% 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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Creep Rupture Behaviour

Condition 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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Cross Reference

Material Name Country Standard
S34709 USA UNS
347H USA ASTM A 213
347H USA ASTM A 312
347H USA ASTM A 376
347H USA ASME SA 213
347H USA ASME SA 312
347H USA ASME SA 376

Producer/Supplier/Trade names

Tradename Supplier
DMV 4961 Salzgitter Mannesmann Stainless Tubes GmbH, Mülheim an der Ruhr
8R41 SANDVIK Materials TEchnology Deutschland GmbH, Düsseldorf
T275 Schoeller-Bleckmann Edelstahlrohr GmbH, Ternitz