GRADE
|
CHEMICAL COMPOSITIONS |
MACHANICAL COMPOSITIONS |
C |
H |
O |
N |
Fe |
AI |
V |
Pb |
Ti |
인장강도(N/MM) |
항복강도(N/MM) |
연신율(%) |
|
JIS 1종 |
- |
0.02 |
0.015 |
0.05 |
0.20 |
- |
- |
- |
REM. |
270 - 410 |
≥165 |
≥27 |
JIS 2종 |
- |
0.02 |
0.20 |
0.05 |
0.25 |
- |
- |
- |
'' |
340 - 510 |
≥215 |
≥23 |
JIS 3종 |
- |
0.02 |
0.30 |
0.07 |
0.30 |
- |
- |
- |
'' |
480 - 610 |
≥345 |
≥18 |
ASTM GR1 |
0.10 |
0.02 |
0.18 |
0.03 |
0.20 |
- |
- |
- |
'' |
≥240 |
170 - 310 |
≥24 |
ASTM GR2 |
0.10 |
0.02 |
0.25 |
0.03 |
0.30 |
- |
- |
- |
'' |
≥345 |
275 - 450 |
≥20 |
ASTM GR3 |
0.10 |
0.02 |
0.35 |
0.10 |
0.30 |
- |
- |
- |
'' |
≥450 |
380 - 550 |
≥18 |
ASTM GR4 |
0.00 |
0.02 |
0.35 |
0.05 |
0.50 |
- |
- |
- |
'' |
≥550 |
485 - 655 |
≥15 |
합금
Ti
|
ASTM GR5 |
0.10 |
0.02 |
0.20 |
0.05 |
0.40 |
5.5 - 6.75 |
3.5 - 4.5 |
- |
'' |
895 |
940 |
14 |
ASTM GR6 |
0.10 |
0.02 |
0.25 |
0.03 |
0.30 |
- |
- |
0.1 - 0.25 |
'' |
≥345 |
275 - 450 |
≥20 |
ASTM GR11 |
0.10 |
0.02 |
0.25 |
0.03 |
0.20 |
- |
- |
0.12 - 0.25 |
'' |
≥240 |
170 - 310 |
24 |
JIS 11종 |
- |
0.013 |
0.18 |
0.05 |
0.25 |
- |
- |
0.1 - 0.25 |
'' |
270 - 410 |
≥165 |
≥27 |
JIS 12종 |
- |
0.013 |
0.20 |
0.05 |
0.25 |
- |
- |
0.1 - 0.25 |
'' |
340 - 510 |
≥215 |
≥23 |
JIS 13종 |
- |
0.013 |
0.30 |
0.07 |
0.30 |
- |
- |
0.1 - 0.25 |
'' |
480 - 620 |
≥345 |
≥18 |
JIS 30종 |
0.10 |
0.015 |
0.20 |
0.05 |
0.30 |
5.5 - 6.75 |
3.5 - 4.5 |
- |
'' |
895 |
830 |
10 | |