LC-Ni99 | 2.4068 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]
2.4068 (DIN 17740 : 2002-09) LC-Ni99 2.4068 DIN 17740 : 2002-09 DIN 17740 : 2002-09 replaced by DIN 17740 : 2025-08 Replaced Germany LC-Ni99,6 3.4 -10 - 600 1)
1) Remark: According to VdTÜV-Werkstoffblatt 345 : 1999-06, the material LC-Ni99 with the material number 2.4068 is applied for pressure vessels according to TRB 100 and AD-Merkblatt from -10 to 600 °C. Besides, the pure-nickel material 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 600 °C. The pure Ni-alloy is in the reviewed dimension range weldable by metal-arc welding with covered rod electrodes (2.4156) as well as gas-shielded welding with (wire) rods (2.4155). No preaheating necessary. The material have to welded in the soft annealed condition. Stress relieve annealing have to be carry out after 5 % cold forming and for reducing of residual stress after welding. The following is valid for the material according to DIN 17740 : 2002-09: it is applied in the form of strips, sheets, tubes, bars, wires and forgings for corrosion-resistant construction components, built-in parts for light bulbs and thermionic valves. LC-Ni99 is a pure nickel of commercial quality and with a reduced carbon content like LC-Ni99.6, which, however, possesses a little higher degree of purity. The reduced carbon content, differing from Ni99.2 or Ni99.6, prevents the formation of embrittling carbon precipitations at temperatures above 315 °C. The permissible maximum operating temperature for sodium hydroxide evaporators is approximately 450 °C. In reducing conditions, e.g. in hydrofluoric and hydrochloric acid, the material offers good resistance to corrosion. In oxidizing conditions, a protective film forms on the surface. This process constitutes the reason for the good resistance to sodium hydroxide, hydrogen chloride (dry) and bromine (dry). Good resistance to stress cracking corrosion, in solutions of caustic alkalies as well as in solutions containing chloride. Application in chemistry and petrochemistry, e.g. for heater tubes, tube plating and circulation plates of the evaporators of a caustic soda plant. Furthermore, for plant components for the salt production, e.g. heat exchangers, centrifuges and valves and fittings. In the food industry for plant components for the processing of food, e.g. fruit juice processing plants. Processing properties: Formability: very good Weldability: good (Werkstoffblatt: material specification Merkblatt: specification sheet)

Chemical Composition

C [%] Co [%] Cu [%] Fe [%] Mg [%] Mn [%] S [%] Si [%] Ti [%] Ni+Co [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Condition Number Strength Abbrevation Nominal Size [mm] Area [mm²] 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 Information
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Creep Rupture Behaviour

Temperature [°C] Creep Tensile Strength at 10^4 h [MPa] Creep Tensile Strength at 10^5 h [MPa]
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Heat Treatment

Heat Treatment Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
NA 12 Great Britain BS 3072
NA 12 Great Britain BS 3073
NA 12 Great Britain BS 3074
NA 12 Great Britain BS 3075
NA 12 Great Britain BS 3076
LC-Ni99,2 International ISO 9722
N02201 USA UNS
B160 UNS N022001 USA ASTM B160
B161 UNS N22001 USA ASTM B161
B162 UNS N022001 USA ASTM B162
B163 UNS N22001 USA ASTM B163
B366 UNS N022001 USA ASTM B366
B725 UNS N22001 USA ASTM B725
B730 UNS N022001 USA ASTM B730
B924 UNS N22001 USA ASTM B924
LC-Ni99 Germany DIN 17750
LC-Ni99 Germany DIN 17751
LC-Ni99 Germany DIN 17752
LC-Ni99 Germany DIN 17753
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