| ±Ô°Ý | ÈÇмººÐ (%) | ¿ëµµ | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KS | ASTM | JIS | SMS | C | Si | Mn | P
(max) |
S
(max) |
Ni | Cr | Mo | ±âŸ | |
| STB1 | 51100 | SUJ1 | X3501 | .95~1.10 | .15~.35 | .50 ÀÌÇÏ | .025 | .025 | .25 ÀÌÇÏ | .90~1.20 | - | .25 ÀÌÇÏ | Bearing Race(³»·û, ¿Ü·û)¿¡ »ç¿ëµÇ´Â °°ü |
| STB2 | 52100 | SUJ2 | X3502 | .95~1.10 | .15~.35 | .50 ÀÌÇÏ | .025 | .025 | .25 ÀÌÇÏ | 1.30~1.60 | - | .25 ÀÌÇÏ | |
| STB3 | - | SUJ3 | X3503 | .95~1.10 | .40~.70 | .90~1.15 | .025 | .025 | .25 ÀÌÇÏ | .90~1.20 | - | .25 ÀÌÇÏ | |
| STB4 | - | SUJ4 | X3504 | .95~1.10 | .15~.35 | .50 ÀÌÇÏ | .025 | .025 | - | 1.30~1.60 | .10~.25 | - | |
| STB5 | - | SUJ5 | X3505 | .95~1.10 | .40~.70 | .90~1.15 | .025 | .025 | - | .90~1.20 | .10~.25 | - | |