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UNS N02201 - Pipe, Fittings, Flanges, Plates, sheets.

Nickel 200 and Nickel 201 are solid solution strengthened, commercially pure wrought materials with good mechanical properties over a wide range of temperatures and excellent resistance to many corrosives, in particular hydroxides. Nickel 201 was a modification of 200 to control carbon (.02 max) which keeps it from being embrittled by intergranular precipitates at temperatures of 600° F to 1400° F in many processes. Typically, the elemental restrictions of both, nickel 200 and nickel 201, are combined into one, dual-certified chemistry resulting in a single alloy with the desired characteristics of both alloys, Nickel 200/201.

Alloy 200 and Alloy 201 provide high thermal and electrical conductivity in comparison to nickel base alloys, stainless steels and low alloy steels. The alloys are ferromagnetic.The tensile properties of both Alloy 200 and Alloy 201 can be significantly enhanced by cold working. In plate products, this can be achieved by control of the finishing temperature in hot rolling and the elimination of the anneal that follows hot rolling. Sheet and strip can be cold rolled to higher strength. The typical range of enhancement of room temperature properties is shown in the next table. These properties depend on the thermomechanical history and section size and cannot be developed in all gages.

 

COROSSION RESISTANT FITTINGS	ASME Pressure Fittings	Alloy	UNS Designation	Pipe Or Tube	Plate Sheet Or Strip	Bar Forging and Forging Stock
CRNL	WPNL	Ni, Low, C	N02201	B161	B162	B160

 

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