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NiCr23Co12Mo | 2.4663 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]
2.4663 (DIN 17744 : 2002-09) NiCr23Co12Mo 2.4663 DIN 17744 : 2002-09 DIN 17744 : 2002-09 replaced by DIN 17744 : 2020-12 Replaced Germany NiCr23Co12Mo 3.4 650 - 720 1)
1) Remark: According to VdTÜV-Wbl 485 : 2001-09, the material NiCr23Co12Mo with the material number 2.4663 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 -10 to 1050 °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 - 10 to 1050 °C. With observance of the generally acknowledged rules of technology, the suitability for welding of this material is approved for gas-shielded arc welding with welding wires and welding rods or with [flux-cored] filler wire electrodes, for metal arc welding with sheathed stick electrodes and for submerged-arc welding (fillers: for sheathed stick electrodes: 2.4628, for welding rod and wire electrode: 2.4627). A preheating and a heat treatment after the welding are not necessary. During the welding, attention should be paid to a low heat input and a fast dissipation of welding heat. The following is valid for the highly creep-resistant nickel-base alloy according to DIN 17744 : 2002-09: the material is applied in the form of strips, sheets, bars and wires for highly heat-resistant construction components. The alloy shows an excellent combination of structural stability, strength and resistance to oxidation at high temperatures. By aluminium additive, the resistance to oxidation is even increased. The alloy is also resistant to many aqueous mediums. Application for non-rotating components of gas turbines, like bushing lining, combustion chambers etc., for petrochemical manufacturing technology, for heat treatment plants, for high-temperature components in nuclear reactors as well as for catalytic agent carriers in the nitric acid production. Processing properties: Formability: good Weldability: good (Werkstoffblatt: material specification Merkblatt: specification sheet)

Chemical Composition

Al [%] B [%] C [%] Co [%] Cr [%] Cu [%] Fe [%] Mn [%] Mo [%] P [%] S [%] Si [%] Ti [%] Remainder
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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 [%]
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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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Heat Treatment

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

Material Name Country Standard
NiCr22Co12Mo9 International ISO 9722
N06617 USA UNS
N06617 USA AMS 5887
N06617 USA AMS 5888
N06617 USA AMS 5889
SB-166 UNS N06617 USA ASME SB-166
ERNiCrCoMo-1 USA ASME SFA5.14
B166 UNS N06617 USA ASTM B166
B167 UNS N06617 USA ASTM B167
B168 UNS N06617 USA ASTM B168
B366 UNS N06617 USA ASTM B366
B546 UNS N06617 USA ASTM B546
B564 UNS N06617 USA ASTM B564
B924 UNS N06617 USA ASTM B924
ERNiCrCoMo-1 USA AWS A5.14
NiCr23Co12Mo Germany DIN 17750
NiCr23Co12Mo Germany DIN 17751
NiCr23Co12Mo Germany DIN 17752
NiCr23Co12Mo Germany DIN 17753

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