wwwluvatacom 19th line VO 341B Tel 7 812 449 27 97Tel 1 740 363 1981Luvata Welwyn Garden LtdWelwyn Garden CityTel 44 1707 379789Weiting Town Tel 86 512 6285 1018Avenida dosOsasco SP B ID: 837346
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1 Kova is a ‘beryllium-free’ all
Kova is a ‘beryllium-free’ alloy made of copper, nickel, silicon and chromium (CuNiSiCr). Kova is the perfect replacement for harmful www.luvata.com 19th line V.O., 34-1-B Tel: +7 812 449 27 97Tel: +1 740 363 1981Luvata Welwyn Garden Ltd.Welwyn Garden CityTel: +44 1707 379789Weiting Town Tel: +86 512 6285 1018Avenida dosOsasco SP, BrazilTel: +55 11 4624 7661 Speci cation NK203 is a RWMA class III alloyErrors and omissions excepted. Values given are industry standards. Mechanical Speci cations Tensile ensile 2] 0.2% Offset yield strength [N/mm2] Elongation AS [%] Hardness HV Adaptors650-800600-7509-15220-250Kova hardness comparisonKova softening behavio
2 r - resistance against softening
r - resistance against softening annealing temperature. Material at hard or aged temper. 05010015020025030002004006008001000Temperature in C°Hardness HV10 Kova CuCoBe 401002003004005006007005060708090100110120130140150160170180190200210220230240250Hardness HVTemperature, ºC Time 1 Kova®CuZrCu-DHPCuCrZr 40 100 200 300 400 500 600 700 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 Hardness HV Temperature, ºC Time 1 Kova®CuZrCu-DHPCuCrZ