NiCr22Mo7Cu | 2.4619 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification
2.4619 (DIN 17744 : 2002-09) 2.4619 DIN 17744 : 2002-09 DIN 17744 : 2002-09 replaced by DIN 17744 : 2020-12 Replaced Germany NiCr22Mo7Cu 3.4 1)
1) Remark: The material NiCr22Mo7Cu with the material number 2.4619 is applied for corrosion-resistant construction components in the form of strips, sheets, tubes, bars, wires and forgings. It is a further development of the material NiCr22Mo6Cu (material number 2.4618) and has an excellent resistant to pitting, crevice and stress cracking corrosion. The alloy is of good weldability and possesses good resistance to intergranular corrosion in the welded condition. The low carbon content prevents sensitizing and its results, i.e. intergranular corrosion of the heat affected zone of the welding seams. The material is oustandingly resistant to strongly corroding chloride- and fluoride-polluted sulphuric and phosphoric acid. Application for plants for the production and processing of sulphuric, phosphoric and nitric acid. For components in flue-gas desulphurization and waste incineration plants, in the paper and cellulose industry and for the extraction of acid gas. Processing properties: Formability: good Weldability: good

Chemical Composition

C [%] Co [%] Cr [%] Cu [%] Fe [%] Mn [%] Mo [%] P [%] S [%] Si [%] W [%] Nb+Ta [%]
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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] Yield Strength (1.0% offset) [MPa] 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 Information
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Cross Reference

Material Name Country Standard
NiCr22Fe20Mo7Cu2 International ISO 9722
N06985 USA UNS
SB-581 UNS N06985 USA ASME SB-581
SB-582 UNS N06985 USA ASME SB-582
SB-619 UNS N06985 USA ASME SB-619
SB-622 UNS N06985 USA ASME SB-622
SB-626 UNS N06985 USA ASME SB-626
ERNiCrMo-9 USA ASME SB-SFA5.14
B366 UNS N06985 USA ASTM B366
B581 UNS N06985 USA ASTM B581
B582 UNS N06985 USA ASTM B582
B619 UNS N06985 USA ASTM B619
B622 UNS N06985 USA ASTM B622
B626 UNS N06985 USA ASTM B626
B924 UNS N06985 USA ASTM B924
G28 UNS N06985 USA ASTM G28
ERNiCrMo-9 USA AWS A5.14
N06985 USA NACE MR-01-75
NiCr22Mo7Cu Germany DIN 17750
NiCr22Mo7Cu Germany DIN 17751
NiCr22Mo7Cu Germany DIN 17752
NiCr22Mo7Cu Germany DIN 17753

Material Compliance

REACh RoHS
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