Designated as UNS N02201 or W.Nr. 2.4061 & 2.4068, Nickel 201 is has almost identical chemical composition as Nickel 200 except the lower-carbon content. Nickel 201 is typically applied in caustic evaporators, combustion boats, plater bars, as well as electronic components. Compared to Nickel 200, Nickel 201 has much lower base hardness and lower work-hardening rate hence is particularly suited for spinning and cold forming. According to ASME Boiler and Pressure Vessel Code Section VIII-Division 1, Nickel 201 is approved for construction of pressure vessels for service up to 1250°F. Its mechanical properties also vary depending on the manufacture process and heat treatment conditions.

1. Chemical Composition Requirements

Chemical Composition of Nickel 201, %
Nickel(plus Cobalt)	≥99.0
Copper	≤0.25
Iron	≤0.40
Manganese	≤0.35
Carbon	≤0.02
Silicon	≤0.35
Sulfur	≤0.01

2. Physical Properties

Physical Properties of Nickel 201
Density		Specific Heat		Curie Temperature		Modulus of Elasticity (Tension)
lb/in3	g/cm3	Btu/lb*°F	J/kg*°C	°F	°C	103 ksi	GPa
0.321	8.89	0.109	456	680	360	30	207

3. Product Forms and Standards

Nickel 201: Product Forms and Relative Standards
Products Form	Standard
Rod and bar	ASTM B160, DIN 17752, ISO9723, VdTUV 345
Pipe and Tube	ASTM B161, B163, B725, B730, B751, B775, B829, DIN 17751, ISO 6207, BS 3074(NA 12), VdTUV 345
Plate, Sheet & Strip	ASTM B162, DIN 17750, ISO 6208, BS3072-3073(NA 12), SAE AMS 5553, VdTUV 345
Fittings	ASTM B366
Forgings	ISO 9725, DIN 17754
Wire	DIN 17753, ISO 9724

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