* 표면조도 비교표(Surface roughness comparison table) 구분(區分) ▽▽▽▽ ▽▽▽ ▽▽ ▽ Korea (KS) Japan (JIS) Rmax(µm) 0.1S 0.2S 0.4S 0.8S 1.6S 3.2S 6.3S 12.5S 25S 50S 100S America (ASA) Rms (µin) 1 2 4 8 16 32 63 125 250 500 1000 France Italy Ra (µm) 0.025 0.05 0.1 0.2 0.4 0.8 1.6 3.2 6.3 12.5 25 Germany (DIN) - N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 Russia Rz 0.1Z 0.2Z 0.4Z 0.8Z 1.6Z 3.2Z 6.3Z 12.5Z 25Z 50Z 100Z Not..