碳 C :0.42~0.50
硅 Si:0.17~0.37
錳 Mn:0.70~1.00
硫 S :≤0.035
磷 P :≤0.035 鉻 Cr:≤0.25
鎳 Ni:≤0.25
銅 Cu:≤0.25
碳 C :0.42~0.50
硅 Si:0.17~0.37
錳 Mn:0.70~1.00
硫 S :≤0.035
磷 P :≤0.035 鉻 Cr:≤0.25
鎳 Ni:≤0.25
銅 Cu:≤0.25
碳 C :0.42~0.50
硅 Si:0.17~0.37
錳 Mn:0.70~1.00
硫 S :≤0.035
磷 P :≤0.035 鉻 Cr:≤0.25
鎳 Ni:≤0.25
銅 Cu:≤0.25
碳 C :0.42~0.50
硅 Si:0.17~0.37
錳 Mn:0.70~1.00
硫 S :≤0.035
磷 P :≤0.035 鉻 Cr:≤0.25
鎳 Ni:≤0.25
銅 Cu:≤0.25
碳 C :0.42~0.50
硅 Si:0.17~0.37
錳 Mn:0.70~1.00
硫 S :≤0.035
磷 P :≤0.035 鉻 Cr:≤0.25
鎳 Ni:≤0.25
銅 Cu:≤0.25