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Nickel Alloy Sheet & Plate 201 - Dnya Stainless Steel

Nickel Alloy Sheet & Plate 201 (UNS N02201)

Nickel Alloy Sheet & Plate 201, also known as Nickel Alloy 201, is a high-purity nickel alloy with excellent resistance to oxidation and corrosion, particularly in reducing environments. Nickel 201 is commonly designated by the material number UNS N02201.This designation helps to standardise the alloy and its properties, ensuring that it meets specific criteria for applications requiring high-purity nickel with excellent corrosion resistance.

Available Thickness

3/16″1/4″3/8″1/2″5/8″3/4″1″
4.8mm6.3mm9.5mm12.7mm15.9mm19.0mm25.4mm

Application

  • Automotive
  • Chemical and Pharmaceutical
  • Fertilizer
  • Food Processing and Handling
  • Manufacturing
  • Mining
  • Oil & Gas
  • Phosphate Mining

Standard

  • ASTM A240 / A240M
  • ASTM A276 / A276M
  • ASTM A312 / A312M
  • ISO 15510
  • EN 10088-2
  • IN 10204
  • HE G4304
  • HE G4305
  • ASME SA240 / SA240M

Worldwide Equivalent Grades of Nickel 201

CountryStandardGrade
USAASTMNickel 201
EuropeENNi 99.2
GermanyDIN2.4061
JapanJISNW 2200
ChinaGBNi99.2
IndiaIS2205
South KoreaKSN601

Corrosion Resistance

  • Alkaline Solutions: It performs well in a range of alkaline solutions, such as those found in the chemical industry.
  • Neutral Solutions: It is resistant to corrosion in neutral solutions and is often used in environments with a pH near neutral.
  • Hydrochloric Acid: Nickel 201 shows good resistance to hydrochloric acid, particularly in lower concentrations and at moderate temperatures.
  • Sulfuric Acid: It has limited resistance to sulfuric acid, especially at higher concentrations and temperatures.

Chemical Composition of Nickel 201

ElementPercentage (%)
Nickel (Ni)99.0 – 99.5
Carbon (C)≤ 0.02
Manganese (Mn)≤ 0.35
Silicon (Si)≤ 0.35
Sulfur (S)≤ 0.01
Iron (Fe)≤ 0.40
Copper (Cu)≤ 0.25

Physical Properties of Nickel 201

PropertyValue
Density8.90 g/cm³
Melting Point1455°C (2651°F)
Thermal Conductivity90 W/m·K
Electrical Resistivity6.99 µΩ·cm
Modulus of Elasticity207 GPa (30 x 10⁶ psi)
Poisson’s Ratio0.31

Mechanical Properties of Nickel 201

PropertyValue
Tensile Strength50 – 70 ksi (345 – 480 MPa)
Yield Strength30 – 50 ksi (205 – 345 MPa)
Elongation30 – 40% (in 2 inches)
Hardness70 – 90 HRB
Modulus of Elasticity207 GPa (30 x 10⁶ psi)
Fatigue StrengthVaries with application

Fabrication Data

  • Weldability: Excellent; can be welded using standard methods like MIG, TIG, and stick welding.
  • Machinability: Good, though it can be challenging due to its toughness; carbide tools are recommended.
  • Formability: Good; can be cold worked, hot worked, and drawn into various shapes.
  • Corrosion Resistance: Excellent resistance to a wide range of corrosive environments, including acids, alkalis, and saltwater.
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