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Steel Painting

In order to achieve it's role in steel body. It is mentioned that this heat process which will be logically heating and cooling work to the body and therefore, the internal grain organization of steel body will be coming densely stabilized.

Steel Sortation Code Heat Temp. Anealing Temp. Dew Point Hardening
KS JIS AISI (℃) (℃)  (℃) HRC
Carbon Steel For The Mechanical Frame SM10C S10C 1010 760~870 860 - -
SM20C S20C 1020 760~870 860 - 38
SM30C S30C 1030 850~900 840 16 54
SM35C S35C 1035 840~890 830 - 54
SM40C S40C 1039,40 830~880 820 16 57
SM45C S45C 1045,46 820~870 810 - 57
SM50C S50C 1049 810~860 800 16 57
SM55C S55C 1055 800~860 790 4~12 60
Nikel-crome Steel SNC236 SNC236 - 820~880 820 - 60
SNC631 SNC631 - 820~880 820 - 58
SNC836 SNC836 - 820~880 820 4~12 59
Nikel-crome-Molivden Steel SNCM220 SNCM220 8615,17,20 850~900 860~885 -7~1 43
SNCM240 SNCM240 8637,40 820~870 800~860 -7~1 55
SNCM439 SNCM439 4340 820~870 800~860 13~16 56
Crome Steel SCr430 SCr430 5130,32 830~880 670~845 4~7 55
SCr435 SCr435 5135 830~880 670~830 -5~1 58
SCr440 SCr440 5140 830~880 650~830 7~13 61
Crome-Molivden Steel SCM430 SCM430 4130 830~880 650~830 16~18 55
SCM435 SCM435 4135,37 830~880 650~830 　 59
SCM440 SCM440 4140,42 830~880 650~830 13~16 59
SCM445 SCM445 4145,47 830~880 660~830 　 59
Manngan Steel SMn438 SMn438 1541 830~880 650~830 　 57
SMn443 SMn443 1541 830~880 650~830 -17~-12 60
Stainless Steel STS410 SUS410 410 950~1000 800~900 10~13 44
STS420J1 SUS420J1 420 920~980 800~900 10~13 53
STS420J2 SUS420J2 - 920~980 800~900 10~13 57
Carbon Tool Steel STC2 SK2 W1-11½ 760~820 750~780 - 66
STC3 SK3 W1-10 760~820 750~780 -4~7 66
STC5 SK5 W1-8 760~820 740~760 - 64
STC7 SK7 - 760~820 740~780 - 64
Hight-speed Tool Steel SKH2 SKH2 T1 1250~1290 830~880 -15~-9 64
SKH3 SKH3 T4 1260~1300 850~900 - 66
SKH51 SKH51 M2 1200~1240 800~850 -18~-12 64
SKH55 SKH55 - 1210~1250 800~850 - 65
SKH57 SKH57 - 1210~1250 820~870 - 65
Alloyed Tool Steel STS2 SKS2 - 830~880 750~800 - 65
STS3 SKS3 - 800~850 750~800 -4~7 65
STS11 SKS11 F2 760~810 740~760 - 67
STS41 SKS41 - 850~900 780~810 - 58
STS43 SKS43 W2-9½ 770~820 750~790 - 63
STD1 SKD1 D3 930~980 800~850 -7~10 65
STD11 SKD11 D2 1000~1050 800~850 -7~10 65
STD12 SKD12 A2 930~980 800~850 -7~-1 64
STD6 SKD6 H11 1000~1050 800~850 2~7 56
STD61 SKD61 H13 1000~1050 800~850 2~7 53
STD62 SKD62 H12 1000~1050 800~850 2~7 58
Nitriding Steel SACM645 SACM645 - 880~930 780~860 - 55
Spring Steel SPS1 SUP3 1075,78 830~860 680~815 - 65
SPS4 SUP7 9260 830~860 830~850 - 62
SPS6 SUP10 6150 830~860 820~870 - 58
SPS13 SUP9 - 840~870 790~860 - 59
High Carbon Crome Bearing Steel STB2 SUJ2 52100 815~845 775~785 - 65
STB3 SUJ3 - 790~840 760~780 - 65