±Ô°Ý/SPECIFICATION | ÈÇмººÐ/Chemical Composition(%) | |||||||
KS | JIS | SAE No. | C | Si | Mn | P | S | pb |
SUM21 | SUM21 | 1212 | max 0.13 | 0.15~0.35 | 0.70~1.00 | 0.07~0.12 | 0.16~0.23 | - |
SUM22 | SUM22 | 1213 | max 0.13 | 0.15~0.35 | 0.70~1.00 | 0.07~0.12 | 0.24~0.33 | |
SUM22L | SUM22L | 12L12 | max 0.13 | 0.15~0.35 | 0.70~1.00 | 0.07~0.12 | 0.24~0.33 | 0.10~0.35 |
SUM23 | SUM23 | 1215 | max 0.09 | 0.15~0.35 | 0.75~1.05 | 0.04~0.09 | 0.26~0.35 | |
SUM24L | SUM24L | 12L14 | max 0.15 | 0.15~0.35 | 0.85~1.15 | 0.04~0.09 | 0.26~0.35 | 0.10~0.35 |
SUM31 | SUM31 | 1117 | 0.14~0.20 | 0.15~0.35 | 1.00~1.30 | max 0.040 | 0.08~0.13 | - |
SUM41 | SUM41 | 1137 | 0.32~0.39 | 0.15~0.35 | 1.35~1.65 | max 0.040 | 0.08~0.13 | - |
SUM43 | SUM43 | 1144 | 0.40~0.48 | 0.15~0.35 | 1.35~1.65 | max 0.040 | 0.24~0.33 | - |