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1. Chemical compositionCodeKSJISAISIBSBSBSMaterialGradeSM30CS30C1030060A30080A30080M30C0.27~0.330.27~0.330.28~0.340.28~0.330.28~0.330.26~0.34Si0.15~0.350.15~0.35agreement0.10~0.400.10~0.40 -Mn0.60~0.900.60~0.900.60~0.900.50~0.700.70~0.900,60~1.00P≦0.030≦0.030≦0.040≦0.050≦0.050≦0.050S≦0.035≦0.035≦0.050≦0.050≦0.050≦0.050Ni -≦0.40≦0.40≦0.40Cr -≦0.30≦0.30≦0.30Mo- - -≦0.15≦0.15≦0.15Cu - - - -Remark..

* SCM430,4130 Material comparison table (Chromium molybdenum steels) 1. Chemical composition Code KS JIS AISI Material Grade SCM430 SCM430 4130 C 0.28~0.33 0.28~0.33 0.28~0.33 Si 0.15~0.35 0.15~0.35 0.15~0.30 Mn 0.60~0.85 0.60~0.85 0.40~0.60 P ≦0.030 ≦0.030 ≦0.035 S ≦0.030 ≦0.030 ≦0.040 Ni

* SCM415(KS,JIS) Material comparison table (Chromium molybdenum steels) 1. Chemical composition Code KS JIS Material Grade SCM415 SCM415 C 0.13~0.18 0.13~0.18 Si 0.15~0.35 0.15~0.35 Mn 0.60~0.85 0.60~0.85 P ≦0.030 ≦0.030 S ≦0.030 ≦0.030 Ni

* SCM435,4135,4137,708A37,34CrMo4 Material comparison table (Chromium molybdenum steels) 1. Chemical composition Code KS JIS AISI AISI BS DIN Material Grade SCM435 SCM435 4135 4137 708A37 34CrMo4 C 0.33~0.38 0.33~0.38 0.32~0.39 0.35~0.40 0.35~0.40 0.30~0.37 Si 0.15~0.35 0.15~0.35 0.15~0.30 0.15~0.30 0.10~0.35 0.15~0.40 Mn 0.60~0.85 0.60~0.85 0.65~0.95 0.70~0.90 0.70~1.00 0.50~0.80 P ≦0.030 ≦0.03..

* SM35C,S35C,1035,1037,060A35,080A35,080M36,CK35,C35 Material comparison table (carbon steel for mechanical structures) 1. Chemical composition Code KS JIS AISI AISI BS BS BS DIN DIN Material Grade SM35C S35C 1035 1037 060A35 080A35 080M36 CK35 C35 C 0.32~0.38 0.32~0.38 0.32~0.38 0.32~0.38 0.33~0.38 0.33~0.38 0.32~0.40 0.32~0.39 0.32~0.39 Si 0.15~0.35 0.15~0.35 agreement agreement 0.10~0.40 0.10..

* SM45C,S45C,1045,1046,080M46,CK45,C45 Material comparison table (carbon steel for mechanical structures) 1. Chemical composition Code KS JIS AISI AISI BS DIN DIN Material Grade SM45C S45C 1045 1046 080M46 CK45 C45 C 0.42~0.48 0.42~0.48 0.43~0.50 0.43~0.50 0.42~0.50 0.42~0.50 0.42~0.50 Si 0.15~0.35 0.15~0.35 agreement agreement 0.10~0.40 0.15~0.35 0.15~0.35 Mn 0.60~0.90 0.60~0.90 0.60~0.90 0.70~..

* SCM440,4140,4142,708M40,709M40,42CrMo4 Material comparison table (Chromium molybdenum steels) 1. Chemical composition Code KS JIS AISI AISI BS BS DIN Material Grade SCM440 SCM440 4140 4142 708M40 709M40 42CrMo4 C 0.38~0.43 0.38~0.43 0.38~0.43 0.40~0.45 0.36~0.44 0.36~0.44 0.38~0.45 Si 0.15~0.35 0.15~0.35 0.15~0.30 0.15~0.30 0.10~0.35 0.10~0.35 0.15~0.40 Mn 0.60~0.85 0.60~0.85 0.75~1.00 0.75~1...

* Mechanical properties and allowable stress of mechanical materials (FEM-1987) (kg/mm^2) JIS 재질 (JIS 材質) 기계적성질(機械的性質) 허용응력(許容應力) (기본.基本 N=1) 항복내력 (降伏耐力) 파단강도 (破斷强度) 경도(硬度) 축치차 (軸齒車) 면압(面壓) 예외(例外) σe σR HB HS σR/𝜈R σR σR/2×N S25C-N 27 45 123~183 19.5~28 16.0 45 22.5 S35C-N 31 52 149~207 23~32 18.5 52 26.0 S40C-N 33 55 156~217 24~33 19.6 55 27.5 S45C-N 35 58 167~229 25.5~34 20.7 58 29.0 SNCM625 (..

* 원통 코일스프링 재료(圓筒 Coil Spring 材料)의 횡탄성계수(橫彈性係數) ⦿ 원통 코일스프링 재료(圓筒 Coil Spring 材料)의 횡탄성계수(橫彈性係數) G 재료(材料) 횡탄성계수 (橫彈性係數) G kg/mm^2 재료(材料) 횡탄성계수 (橫彈性係數) G kg/mm^2 스프링강(Spring Steel) 8 × 10^3 스테인레스 강선 (Stainless Steel Wire) (SUS 27, 32, 40) 7.5 × 10^3 경강선(硬鋼線) 8 × 10^3 황동선(黃銅線) 4 × 10^3 피아노선(Piano Wire ) 8 × 10^3 양백선(洋白線) 4 × 10^3 오일템퍼선 (Oil Tempered Wire) 8 × 10^3 인청동선(燐靑銅線) 4.5 × 10^3 Note : 베릴륨 동선(..

* 원통 코일스프링 재료 (圓筒 Coil Spring 材料) ⦿ 일반적(一般的)으로 사용(使用)되는 원통 코일스프링 재료(圓筒 Coil Spring 材料) 종류(種類) JIS 번호(番號) 재료 기호(材料 記號) 스프링강(Spring Steel) G 4801 SUP 경강선(硬鋼線) G 3521 SW 피아노선(Piano Wire ) G 3522 SWP 오일템퍼선 (Oil Tempered Wire) - - 스테인레스 강선 (Stainless Steel Wire) G 4309 SUS-WH 황동선(黃銅線) H 3521 BsW 양백선(洋白線) H 3721 NSWS 인청동선(燐靑銅線) H 3751 PBW 베릴륨 동선 (Beryllium Copper Wire) H 3803 BeCuW ⦿ 용도별(用度別) 재료 적용(材料..