Cyfansoddiad Cemegol
Gradd | C% | P% | S% | Mn% | Si% | Cu% | Ni% | Cyd% | Fe% | |||
Uchafswm o 0.04 | Uchafswm o 0.020 | Uchafswm o 0.020 | Uchafswm o 0.30 | Uchafswm o 0.30 | Uchafswm o 0.20 | Uchafswm -0.5 | 49.0~51.0 | Bal. |
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