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NiCr21Mo14W | 2.4602 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Successor Application temperature [°C]
2.4602 (DIN 17744 : 2002-09) 2.4602 DIN 17744 : 2002-09 DIN 17744 : 2002-09 replaced by DIN 17744 : 2020-12 Replaced Germany NiCr21Mo14W -196 - 400 1)
1) Remark: According to VdTÜV-Werkstoffblatt 479 : 2002-06, the material NiCr21Mo14W with the material number 2.4602 is used for pressure vessels according to TRB 100 and, with interpreting the AD-Merkblatt editions W 2 und W 10 faithfully to their meaning, for temperatures from -196 to 400 degrees. Furthermore, the highly corrosion-resistant nickel-base alloy is used for ranges of applications in nuclear engineering as far as the rules of nuclear engineering or the object-related specifications permit the use of - 196 to 400 °C. Furthermore, the highly corrosion-resistant nickel-base alloy is used for ranges of applications in nuclear engineering as far as the rules of nuclear engineering or the object-related specifications permit the use of - 196 to 400 °C. The material is resistant to intercrystalline corrosion. With observance of the generally acknowledged rules of technology, the suitability for welding of the nickel alloy is approved for metal-arc welding with sheathed stick electrodes (filler material 2.4638) as well as for gas-shielded arc welding with welding wires and welding rods (filler material 2.4635). A preheating ought to be dispensed with attention should be paid to a low heat input and a fast dissipation of welding heat. The intermediate layer temperature is 100 °C maximum lower intermediate layer temperatures can become necessary for sheathed stick electrodes. The alloy can be plasma-cut. The following is valid for the comparable nickel-alloy according to DIN 17444 : 2002-09 : the material is used in the form of strips, sheets, tubes, bars, wires and forgings for corrosion-resistant construction components. The material distinguishes itself by outstanding durability in oxidizing and reducing mediums also at elevated temperatures. It shows high resistance to crevice, pitting and stress cracking corrosion as well as to sulphuric, phosphoric and nitric acid as well as to chlorine gas. In the presence of strong oxidation agents, the use of this material is to be recommended. As a rule, the material is applicable in the welded condition without subsequent heat treatment due to the good thermic stability. Application in the environmental technology, e.g. for agitators, heat exchangers, fans, lining and pipelines as well as spraying systems, exhaust gas cleaning systems for waste incineration plants and power plants and for sewage treatment systems. In the chemical engineering for plants for the production of chlorine gas and hydrogen chloride, e.g. for shut-off devices, gate valves, pipelines and centrifuges a well as for chlorine bleaching plants, e.g. pipelines, measuring systems and shut-off devices. Processing properties: Formability: good Weldability: good

Chemical Composition

C [%] Co [%] Cr [%] Fe [%] Mn [%] Mo [%] P [%] S [%] Si [%] V [%] W [%]
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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 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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Heat Treatment

Heat Treatment Nominal Size [mm] Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
NiCr21Mo14W3 International ISO 9722
N06022 USA UNS
SB-366 UNS N06022 USA ASME SB-366
SB-574 UNS N06022 USA ASME SB-574
SB-575 UNS N06022 USA ASME SB-575
SB-619 UNS N06022 USA ASME SB-619
SB-622 UNS N06022 USA ASME SB-622
SB-626 UNS N06022 USA ASME SB-626
ERNiCrMo-10 USA ASME SFA5.14
B366 UNS N06022 USA ASTM B366
B462 UNS N06022 USA ASTM B462
B472 UNS N06022 USA ASTM B472
B564 UNS N06022 USA ASTM B564
B574 UNS N06022 USA ASTM B574
B575 UNS N06022 USA ASTM B575
B619 UNS N06022 USA ASTM B619
B622 UNS N06022 USA ASTM B622
B626 UNS N06022 USA ASTM B626
B924 UNS N06022 USA ASTM B924
G28 UNS N06022 USA ASTM G28
ERNiCrMo-10 USA AWS A5.14
N06022 USA NACE MR-01-75
NiCr21Mo14W Germany DIN 17750
NiCr21Mo14W Germany DIN 17751
NiCr21Mo14W Germany DIN 17752
NiCr21Mo14W Germany DIN 17753

Material Compliance

REACh RoHS
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