Nickel and nickel alloys · Alloy 59 / Nicrofer 5923 hMo / UNS N06059 / 2.4605

Nickel Alloy Alloy 59 (UNS N06059): Technical Data Sheet and Application

Engineering Specifications and Standards for Alloy 59

Product FormAlloy NameKey SpecificationsAnalogues
Sheet, Strip, WireAlloy 59, Nicrofer 5923 hMoN, VDM Alloy 59, UNS N06059ASTMASMEW.Nr.DIN / ISO
Sheet, Strip, WireAlloy 59, Nicrofer 5923 hMoN, VDM Alloy 59, UNS N06059B 574, B 575, B 564SB 574, SB 575, SB 564NiCr23Mo16Al - 2.460517744, 17750, 17752 / 15156/MR 0175
Sheet, Strip, WireAlloy 59, Nicrofer 5923 hMoN, VDM Alloy 59, UNS N06059B 574, B 575, B 564SB 574, SB 575, SB 564NiCr23Mo16Al - 2.460517744, 17750, 17752 / 15156/MR 0175

Alloy 59 (UNS N06059) is a nickel-chromium-molybdenum alloy designed for operation in the most aggressive environments. Its chemical composition with minimized carbon and silicon content ensures outstanding resistance to a wide range of corrosive agents. Products from EV Group China guarantee excellent mechanical strength and thermal stability, making it indispensable for critically important industrial applications.

Detailed Chemical Composition of Alloy 59 (%)

NiBase
C<0,01
S<0,01
P<0,015
Al0,1-0,4
Si<0,1
Co<0,3
Cu<0,5
Mn<0,5
Fe<1,5
Mo15,0-16,5
Cr22,0-24,0

Mechanical Properties of Alloy 59 at various temperatures

TemperatureYield Strength Rp0,2Yield Strength Rp1,0Tensile Strength RmElongation
206834049,338055,1690-900100-13140
10021229042,133047,965094,340
20039225036,329042,161589,240
30057222031,926037,758084,140
40075219027,623033,454579,040
45084217525,421531,252576,140
°С°FМПаksiМПаksiМПаksi%

Physico-thermal properties of the material

The density of Alloy 59 is 8.6 g/cm³.

Temperature °C20100200300400500600
Thermal Conductivity (W/m*°C)10,412,113,715,417,018,620,4
Electrical Resistivity (µohm*cm)126127129131133134133
Modulus of Elasticity (GPa)210207200196190185178
Specific Heat (J/kg*°C)414425434443451459464

Corrosion Resistance

Due to precise control of carbon (C < 0.01%) and silicon (Si < 0.1%) content, Alloy 59 demonstrates immunity to sensitization and, consequently, to intergranular corrosion in the heat-affected zone of welds. This alloy exhibits exceptional resistance in both oxidizing and reducing environments, including those with high chloride-ion content, making it a benchmark material for Flue Gas Desulfurization (FGD) systems and multi-purpose chemical reactors.

Welding

The weldability of Alloy 59 is rated as excellent for most standard arc welding processes (GTAW, GMAW). To ensure homogeneity and maximum corrosion resistance of the welded joint, it is necessary to use welding consumables with similar or enriched alloying, such as welding wire W.Nr. 2.4607 (FM 59) or electrode AWS A5.14 ERNiCrMo-13.

Key Performance Advantages of Alloy 59 from EV Group China

  • Exceptional resistance to localized corrosion, including pitting and crevice corrosion, in chloride environments.
  • High resistance to concentrated mineral acids, such as sulfuric, phosphoric, and nitric acids, across a wide temperature range.
  • Low susceptibility to hot cracking during welding due to optimized chemical composition.
  • Excellent machinability and formability, comparable to other nickel alloys.

Main Areas of Application

  • Chemical and petrochemical industry: reactors for the production of acetic acid, herbicides, and other aggressive organic compounds.
  • Energy sector: components of Flue Gas Desulfurization (FGD) systems in coal-fired power plants, including absorbers, pipelines, and heat exchangers.
  • Pharmaceutical industry: reactors and tank equipment that come into contact with halogenated catalysts and acidic media.
  • Marine and offshore engineering: pipeline systems for seawater, heat exchangers, and equipment for desalination plants.
  • Geothermal energy: components operating in contact with high-temperature aggressive fluids containing H₂S and CO₂.