Selection Guide for Electric Heating Alloy 2080 in Industrial Resistance Furnaces

Industrial resistance furnaces are widely used heating equipment in mechanical manufacturing, metallurgy, chemical engineering, and other industries. As the core heating element of a resistance furnace, the selection of electric heating alloys directly affects the furnace's service life and energy consumption. 2080 (Ni20Cr80) is one of the most common electric heating alloy grades, suitable for resistance furnaces operating at temperatures between 1000 and 1100°C.

Key features of 2080 alloy: {1) High resistivity (1.09 Ω·mm²/m), reducing material usage; {3) Excellent high-temperature oxidation resistance with a dense Cr₂O₃ surface oxide layer; {4) Good formability, easily drawn into various wire sizes; {5) Non-magnetic, suitable for low-temperature environments.

When selecting electric heating alloys, consider the following factors: {0) Maximum furnace operating temperature determines alloy grade selection; {1) Furnace atmosphere—nickel-chromium alloys for oxidizing atmospheres, iron-chromium-aluminum alloys for reducing atmospheres; {2) Surface load—typically 1.0-1.6 W/cm² for wire elements; {5) Element arrangement affects heat dissipation and service life.

Jiangsu High-Entropy Alloys produces 2080 heating alloy wire in Φ0.1-8mm specification using premium raw materials and advanced drawing processes. Features uniform resistivity, high-quality surface finish, and extended service life. Widely used in various industrial resistance furnaces.