種 類 |
NPC 材質記号 |
相当規格 ( )は圧延材規格の記号 |
化 学 成 分(%) ※は必要時添加 |
JIS |
AISI 又は SAE |
他 |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
|
|
Fe |
機 械 構 造 用 鋼 |
炭素鋼 |
S15C |
(S15C) |
-1015 |
|
0.10~0.20 |
0.20~0.60 |
0.30~0.60 |
≦0.04 |
≦0.04 |
|
|
|
|
|
Rem |
S50C |
(S50C) |
-1049 |
|
0.45~0.55 |
0.20~1.00 |
0.60~0.90 |
≦0.04 |
≦0.04 |
|
|
|
|
|
Rem |
低合金鋼 |
SCM4C |
(SCM440) |
-4140 |
AMS5338 |
0.35~0.45 |
0.20~1.00 |
0.60~0.85 |
≦0.04 |
≦0.04 |
|
0.90~1.20 |
0.15~0.30 |
|
|
Rem |
SCM21C |
(SCM415) |
-4115 |
|
0.10~0.20 |
0.20~0.60 |
0.60~0.85 |
≦0.04 |
≦0.04 |
|
0.90~1.20 |
0.15~0.30 |
|
|
Rem |
SNCM21C |
(SNCM220) |
-8620 |
AMS5333 |
0.15~0.25 |
0.20~0.60 |
0.60~0.90 |
≦0.04 |
≦0.04 |
0.40~0.70 |
0.35~0.75 |
0.15~0.30 |
|
|
Rem |
ス テ ン レ ス 鋼 |
オーステナイト系 |
SCS13 |
SCS13 (SUS304) |
-304 |
ACI CF-8 |
≦0.08 |
≦2.00 |
≦2.00 |
≦0.040 |
≦0.040 |
8.00~11.00 |
18.00~21.00 |
|
|
|
Rem |
SCS14 |
SCS14 (SCS316) |
-316 |
ACI CF-8M |
≦0.08 |
≦2.00 |
≦2.00 |
≦0.040 |
≦0.040 |
10.00~14.00 |
17.00~20.00 |
2.00~3.00 |
|
|
Rem |
SCS16 |
SCS16 (SUS316L) |
(316L) |
ACI CF-3M |
≦0.03 |
≦1.50 |
≦2.00 |
≦0.040 |
≦0.040 |
12.00~16.00 |
17.00~20.00 |
2.00~3.00 |
|
|
Rem |
マルテンサイト系 |
SCS2A |
SCS2A (SUS420J2) |
-420 |
ACI CA40 |
0.25~0.40 |
≦1.50 |
≦1.00 |
≦0.040 |
≦0.040 |
≦1.00 |
11.50~14.00 |
|
|
|
Rem |
SUH3C |
(SUH3) |
|
|
0.35~0.45 |
1.80~2.50 |
≦0.60 |
≦0.030 |
≦0.030 |
≦0.60 ※ |
10.00~12.00 |
0.70~1.30 |
|
|
Rem |
析出硬化系 |
SCS24 |
SCS24
(SUS630) |
(S17400) |
AMS5355
(17-4PH) |
≦0.07 |
≦1.00 |
≦1.00 |
≦0.040 |
≦0.040 |
3.00~5.00 |
15.50~17.50 |
|
Cu
2.50~4.00 |
Nb
0.15~0.45 |
Rem |
特
殊
合
金 |
電磁気材 |
1%Si-Fe |
|
|
AMS5210 |
≦0.03 |
0.75~1.30 |
≦0.20 |
≦0.03 |
≦0.03 |
|
|
|
|
|
Rem |
|