°­ Á¾
±â È£
È­ ÇÐ ¼º ºÐ (%)
C
Si
Mn
P
S
±â°è±¸Á¶¿ë
ź¼Ò°­
SM20C
0.18~0.23
0.15~0.35
0.30~0.60
<0.030
<0.035
SM25C
0.22~0.28
0.15~0.35
0.30~0.60
<0.030
<0.035
SM45C
0.42~0.48
0.15~0.35
0.30~0.90
<0.030
<0.035
±â°è±¸Á¶¿ë
Çձݰ­
SCM415
0.13~0.18
0.15~0.35
0.60~0.85
<0.030
<0.030
SCM420
0.18~0.23
0.15~0.35
0.60~0.85
<0.030
<0.030
SCM440
0.38~0.43
0.15~0.35
0.60~0.85
<0.030
<0.030
SNCM220
0.17~0.23
0.15~0.35
0.60~0.90
<0.030
<0.030
SNCM420
0.17~0.23
0.15~0.35
0.40~0.70
<0.030
<0.030
SNCM439
0.36~0.43
0.15~0.35
0.60~0.90
<0.030
<0.030
°íź¼Ò°ø±¸°­
SK-3
1.00~1.10
0.35ÀÌÇÏ
0.50ÀÌÇÏ
<0.030
<0.030
SK-4
0.90~1.00
0.35ÀÌÇÏ
0.50ÀÌÇÏ
<0.030
<0.030
Çձݰø±¸°­
SKD-61
0.32~0.42
0.80~1.20
0.50ÀÌÇÏ
<0.030
<0.030
°í¼Óµµ°ø±¸°­
SKH-55
0.80~0.90
0.40ÀÌÇÏ
0.40ÀÌÇÏ
<0.030
<0.030
SKH-59
1.00~1.10
0.15~0.35
0.25~0.45
<0.025
<0.010
±Ý Çü °­
STF4M
0.50~0.60
0.20~0.30
0.60~1.00
-
-
º£¾î¸µ°­
SUJ-2
0.95~1.10
0.35~0.50
0.20~0.50
<0.25
<0.20
½ºÇÁ¸µ°­
SUP-9
0.50~0.60
0.15~0.35
0.65~0.95
<0.030
<0.030
Áú È­ °­
SACM-1
0.40~0.50
0.15~0.35
0.60ÀÌÇÏ
<0.030
<0.030

°­ Á¾
±â È£
È­ ÇÐ ¼º ºÐ (%)
Cu
Ni
Cr
Mo
V
Co
±â°è±¸Á¶¿ë
ź¼Ò°­
SM20C
SM25C
SM45C
±â°è±¸Á¶¿ë
Çձݰ­
SCM415
<0.030
< 0.025
0.90~1.20
0.15~0.30
SCM420
<0.030
< 0.025
0.90~1.20
0.15~0.30
SCM440
<0.030
< 0.025
0.90~1.20
0.15~0.30
SNCM220
-
0.40~0.70
0.40~0.65
0.15~0.30
SNCM420
-
1.60~2.00
0.40~0.65
0.15~0.30
SNCM439
-
1.60~2.00
0.60~1.00
0.15~0.30
°íź¼Ò°ø±¸°­
SK-3
-
-
SK-4
-
-
Çձݰø±¸°­
SKD-61
-
-
4.50~5.50
1.00~1.50
0.80~1.20
°í¼Óµµ°ø±¸°­
SKH-55
-
-
3.80~4.50
4.80~6.20
-
4.50~5.50
SKH-59
-
-
3.50~4.25
1.25~2.00
-
7.75~8.75
±Ý Çü °­
STF4M
-
1.30~2.00
0.7~1.0
0.20~0.50
0.10~0.20
º£¾î¸µ°­
SUJ-2
-
-
1.30~1.60
½ºÇÁ¸µ°­
SUP-9
-
-
0.65~0.95
-
-
-
Áú È­ °­
SACM-1
W1.20