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»ç´Ù¸®²Ã ³ª»ç¿¡ ¹«ÀüÇØ ´ÏÄ̵µ±ÝÀ» ÇÔÀ¸·Î½á ³»¿¼º, ³»¸¶¸ð¼º, ºñ¿À¿°¼º ¹× ¹ÐÂø¼ºÀÌ ¿ì¼öÇÏ°í, Hv400~500 Á¤µµ·Î Ç¥¸é°æµµ°¡ ¿ì¼öÇÔ. ¿Ã³¸®½Ã¿¡´Â Hv900~1000±îÁö °¡´ÉÇÔ.
Good for Heat resistance, Abrasion resistance and antipollution. The surface hardness normally Hv400 to 500,
after heated Hv 900 to 1000 possible |