A mass of wrought iron ready for further working 鍛鐵塊準(zhǔn)備作進一步加工的熟鐵
Standard test methods for chemical analysis of carbon steel , low - alloy steel , silicon electrical steel , ingot iron , and wrought iron 碳素鋼低合金鋼硅電工鋼鐵鑄錠和熟鐵化學(xué)分析的標(biāo)準(zhǔn)試驗方法
The carbon content of the spearheads ranged from none to 0 . 3 % , with only one of the large spearheads revealing patches of up to 0 . 7 % carbon ( 1924 . 02 . 0412 ) . seven spearheads were almost pure ferrite 10件矛頭,其中七件長13 ~ 28厘米,三件長38 ~ 51厘米,含碳量都在0 . 3 %以下,其中7件矛的含碳量幾乎為0 ,是標(biāo)準(zhǔn)的熟鐵。只有一件矛的測量表明刃部比芯部含碳量高。