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화확성분분석표
화학성분
STEEL
GRADE		 APPLIACTION STEEL SYMBOL CHEMICAL COMPOSITION
KS JIS DIN AISI(SAE)
 C Si Mn P S Cu Ni Cr Ni+Cr Mo V
LOW
CARBON
STEEL		 Machinery
parts(기계부품)		 SPCC SPCC ST12 A366(1012) 0.120
Max		 - 0.500
Max		 0.040
Max		 0.045
Max		 - - - - - -
SPCD SPCD ST13 A619(1008) 0.100
Max		 - 0.450
Max		 0.035
Max		 0.035
Max		 - - - - - -
SPCE SPCE ST14 A620(1008) 0.080
Max		 - 0.400
Max		 0.030
Max		 0.030
Max		 - - - - - -
MEDIUM
CARBON
STEEL		 Retainers(리테이너),
Friction plates(프리쿠션),
Office-equipment
parts(사무기부품)
Clutch parts(클러치),
Chain parts(체인),
Washers(와셔)		 SM30C S30C CK30 1030 0.27
~0.33		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 0.350
Max		 - -
SM35C S35C CK35 1035 0.32
~0.38		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 0.350
Max		 - -
SM45C S45C CK40 1045 0.42
~0.48		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 0.350
Max		 - -
HIGH
CARBON
STEEL		 Measuring(줄자),
Structureal parts for
cameras(카메라부품),
Chain parts(체인부품),
Spring(스프링),
Clutch parts(클러치),
Washers(와셔),
Safety buckles(안전버클),
Safety shoes(안전화),
Can openers(깡통따게),
Hand Saws
woodworking(목공용 톱),
Thompson blades(톰슨날),
Washers(와셔),
Office-equipment
parts(사무기부품)		 SM50C S50C CK50 1050 0.47
~0.53		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 0.350
Max		 - -
SM55C S55C CK55 1055 0.52
~0.58		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 0.350
Max		 - -
SM60C S60C CK60 1060 0.55
~0.65		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 - - -
SM65C S65C CK65 1065 0.60
~0.70		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 - - -
SM70C S70C CK70 1070 0.65
~0.75		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 - - -
SM75C S75C CK75 1075 0.70
~0.80		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 - - -
SM80C S80C CK80 1080 0.75
~0.85		 0.15
~0.35		 0.60
~0.90		 0.030
Max		 0.035
Max		 0.300
Max		 0.200
Max		 0.200
Max		 - - -
CARBON
TOOL
STEEL
STRIP		 Razor blade(면도날),
Cutlery(칼날),
Spring(스프링),
Knitting needles
(제침), Measuring(줄자),
Gauges(태엽),
Hack saws(쇠톱),
Pen points(펜촉),
Round Saw(둥근톱),
Band Saw(띠톱),
Clutch parts(클러치),
Office-equipment
parts(사무기부품)		 STC2 SK2 　 W1-111/2 1.10
~1.30		 0.350
Max		 0.500
Max		 0.030
Max		 0.030
Max		 0.250
Max		 0.250
Max		 0.200
Max		 - - -
STC3 SK3 　 W1-101/2 1.00
~1.10		 0.350
Max		 0.500
Max		 0.030
Max		 0.030
Max		 0.250
Max		 0.250
Max		 0.200
Max		 - - -
STC4 SK4 　 W1,W2-91/2 0.90
~1.00		 0.350
Max		 0.500
Max		 0.030
Max		 0.030
Max		 0.250
Max		 0.250
Max		 0.200
Max		 - - -
STC5 SK5 　 W1,W2-81/2 0.80
~0.90		 0.350
Max		 0.500
Max		 0.030
Max		 0.030
Max		 0.250
Max		 0.250
Max		 0.200
Max		 - - -
ALLOY
TOOL
STEEL
STRIP		 Doctor blade(인쇄기부품),
Cutlery(칼날),
Round Saw(둥근톱),
Band Saw for woodworking
and lumbering(목공용 띠톱)		 STS5 SKS5 　 　 0.75
~0.85		 0.350
Max		 0.500
Max		 0.030
Max		 0.030
Max		 0.250
Max		 0.70
~1.30		 0.20
~0.50		 - - -
STS51 SKS51 　 L6 0.75
~0.85		 0.350
Max		 0.500
Max		 0.030
Max		 0.030
Max		 0.250
Max		 1.30
~2.00		 0.20
~0.50		 - - -
CHROMIUM
MOLYBDENUM
STEEL
STRIP		 Chain parts(체인부품)
Office-equipment
parts(사무기부품)　　
Thompson blades(톰슨날)　　　		 SCM420 SCM420 　 　 0.27
~0.37		 0.15
~0.35		 0.60
~0.85		 0.030
Max		 0.030
Max		 0.300
Max		 0.250
Max		 0.90
~1.20		 - 0.15
~0.30		 -
SCM435 SCM435 　 4135 0.33
~0.38		 0.15
~0.35		 0.60
~0.85		 0.030
Max		 0.030
Max		 0.300
Max		 0.250
Max		 0.90
~1.20		 - 0.15
~0.30		 -
SCM440 SCM440 　 　 0.38
~0.43		 0.15
~0.35		 0.60
~0.85		 0.030
Max		 0.030
Max		 0.300
Max		 0.250
Max		 0.90
~1.20		 - 0.15
~0.30		 -
SPRING
STEEL		 Spring(스프링)　　　 SPS6 SUP10 50CRV4 6150 0.47
~0.55		 0.15
~0.35		 0.65
~0.95		 0.035
Max		 0.035
Max		 0.350
Max		 - 0.80
~1.10		 - - 0.15
~0.25
스테인레스강
STEEL
GRADE		 STEEL
SYMBOL		 APPLIACTION CHEMICAL COMPOSITION(%) MECHANICAL PROPERTIES
C Si Mn P S Cr Ni Mo YS
(N/mm²)		 TS
(N/mm²)		 EL
(%)		 Hv
STAINLESS
STEEL		 301 Train,
Auto-Parts,
Spring		 ≤0.15 ≤1.0 ≤2.0 ≤0.045 ≤0.030 16.0
~18.0		 6.0
~8.0		 - ≤205 ≤520 ≥40 ≤218
304 Electronic Parts,
Auto Parts,
precision Parts		 ≤0.08 ≤1.0 ≤2.0 ≤0.045 ≤0.030 18.0∼20.0 8.0∼10.5 - ≥205 ≥520 ≥40 ≤200
304L ≤0.03 ≤1.0 ≤2.0 ≤0.045 ≤0.030 18.0∼20.0 9.0∼13.0 - ≥175 ≥480 ≥40 ≤200
305 Electronic Gun,
VTR Guide		 ≤0.12 ≤1.0 ≤2.0 ≤0.045 ≤0.030 17.0
~19.0		 10.5∼13.0 - ≥175 ≥480 ≥40 ≤200
316 Chemical ≤0.08 ≤1.0 ≤2.0 ≤0.045 ≤0.030 16.0
~18.0		 10.0∼14.0 2
~3		 ≥205 ≥520 ≥40 ≤200
316L ≤0.03 ≤1.0 ≤2.0 ≤0.045 ≤0.030 16.0
~18.0		 12.0∼15.0 2
~3		 ≥175 ≥480 ≥40 ≤200
308L Overlay
Plate for
Hardfacing		 ≤0.03 ≤0.75 ≤2.0 ≤0.045 ≤0.030 19.0
~21.0		 10.0∼12.0 - ≥205 ≥515 ≥40 ≤200
309L ≤0.03 ≤0.75 ≤2.0 ≤0.045 ≤0.030 22.0
~24.0		 12.0∼15.0 - ≥205 ≥520 ≥40 ≤210
430 Home
Aplicance		 ≤0.12 ≤0.75 ≤1.0 ≤0.040 ≤0.030 16.0
~18.0		 ≤0.6 - ≥205 ≥450 ≥22 ≤200
420J2 Knife,
Valve,
Measuring Tape　		 0.26
~0.40		 ≤1.0 ≤1.0 ≤0.060 ≤0.030 12.0∼14.0 ≤0.6 - ≥225 ≥540 ≥18 ≤247
409L Exhaust
System		 ≤0.03 ≤1.0 ≤1.0 ≤0.040 ≤0.030 10.5∼11.75 ≤0.6 - ≥175 ≥360 ≥25 ≤175
440 Razor,
Cutter,
Surgical Blade		 0.6
~1.2		 ≤1.0 ≤1.0 ≤0.040 ≤0.030 16.0∼18.0 ≤0.6 ≤0.75 ≥245 ≥590 ≥15 ≤269
AVAILABLE SIZE : Thickness(0.02mm~3.5mm / Width(0.4mm~680mm)
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