A mass of wrought iron ready for further working 锻铁块准备作进一步加工的熟铁
2.
Standard test methods for chemical analysis of carbon steel , low - alloy steel , silicon electrical steel , ingot iron , and wrought iron 碳素钢低合金钢硅电工钢铁铸锭和熟铁化学分析的标准试验方法
3.
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件矛头，其中七件长13 ~ 28厘米，三件长38 ~ 51厘米，含碳量都在0 . 3 %以下，其中7件矛的含碳量几乎为0 ，是标准的熟铁。只有一件矛的测量表明刃部比芯部含碳量高。
