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NiCr7030 | 2.4658 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]
2.4658 (DIN 17742 : 2002-09) NiCr7030 2.4658 DIN 17742 : 2002-09 DIN 17742 : 2002-09 replaced by DIN 17742 : 2020-12 Replaced Germany NiCr7030 3.4 ≤ 1250 1)
1) Remark: The material NiCr7030 with the material number 2.4658, which is applied in the form of strips and wires (see also heating conductor alloys according to DIN 17470 or electrical resistance alloys according to DIN 17471) for furnace construction components and heating conductors, is an austenitic nickel-chromium electrical reistance alloy. This alloy distinguishes itself by good scale-resistance as well as by durability under alternating stress in oxidizing/reducing atmosphere for operating temperatures of up to 1250 °C. Application for industrial electric furnaces, enamelling furnaces and night-current storage space-heaters. Processing properties: Formability: good Weldability: satisfactory

Chemical Composition

Al [%] C [%] Cr [%] Cu [%] Fe [%] Mn [%] Ni [%] P [%] S [%] Si [%]
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Strength Abbrevation Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A100 [%] Elongation A [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Melting 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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Welding and Joining

Procedure Welding and Joining - Evaluation Interpass Temperature [°C] Added Materials
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Creep Rupture Behaviour

Temperature [°C] 1% Creep Limit at 10³ h [MPa]
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Cross Reference

Material Name Country Standard
N06008 USA UNS

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