Item # NI-R-201 on Morgan Bronze Products, Inc.

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	Item # NI-R-201
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Ni-Resist is characterized by having an austenitic structured matrix produced by means of alloying with Ni, along with approximately 10% carbide. Ni-Resist offers excellent resistance to heat, corrosion, and wear, without being magnetic. In addition, it has high values of resistance to wear without this affecting machinability. It is non-magnetic at any temperature, making it especially suitable for electrical applications and navigational components. Ni-Resist guarantees dimensional stability since austenite is a stable phase even at high temperatures.

The more common applications, however, are corrosion-resisting parts particularly in seawater, sulphuric acid, hydrochloric acid, and petroleum refining. Heat-resistance is another area where Ni-Resist is commonly used (furnace parts, etc.). Ni-Resist possesses the same coefficient of expansion as aluminum, making it suitable for wear-resisting inserts in aluminum components such as valve guides in cylinder heads and ring carriers in aluminum pistons.

Unit of Measure: Imperial | Metric | Both

Specifications

Type

Round Bar

Material

Ni-Resist 201 Type 1

Standard

ASTM A36, Type 1 Meehanite Grade CR1

Diameter

1.000 to 6.000 Inch

Condition

As-Cast and Cold Finished (Rounds)

Standard Length

12 Inch

Chemistry

Required Ranges:
Typical Ranges:

Element	Typical %
Carbon	3.00 max.
Silicon	1.00 - 2.80
Manganese	0.50 - 1.50
Sulfur	0.12 max.
Nickel	13.50 - 17.50
Copper	5.50 - 7.50
Chromium	1.00 - 2.50

Approx. Tensile Strength (Up to 3.00" Dia. Bar)

25000 psi

Approx. Tensile Strength (Over 3.00" Dia. Bar)

20000 psi

Min. Brinell Hardness

160

Max. Brinell Hardness

250

Micro Structure

Figure 1
Typical center area microstructure
(100x, etched in 5% Nitol)

Figure 2
Typical rim area microstructure
(100x, etched in 5% Nitol)

Heat Treat Response

Austenitic alloys cannot be hardened by heat treatment. Ni-Resist may be softened and homogenized by heating to 1800 - 1900°F (98° - 1040°C) for 3 to 5 hours and air-cooling. Annealing softens the material without detrimental effects on the strength properties. Type 1 Ni-Resist should not be used in applications involving service above 1300°F (704°C).

Average Density

≥0.265 lbs/in