◈ 제품특징 |
-재질(Material) : STKM13C기계구조용 탄소강 강관 |
(KSD3517) |
|
-인장강도(Tensile Strength) : 52kg/㎣ |
-항복점(Yield Point) : 39kg/㎣이상 |
-연신율(Elongation) : 15%이상 |
-가공정도(Working Accuracy) |
-면조도(Roughness of Surface) : 3.2S(KSB0161) |
-직진도(Straightness) : 1mm/m |
-내경치수 허용한계(KSB0410) : H8 |
(Allowable limit of inner diameter) |