The result of industrial experiment had shown that jaw made of this material last equally with that of high Cr Mo cast iron, and this material is low_cost.
试验结果表明，使用该材料制作的牙板其使用寿命与高铬钼铸铁牙板相当，且生产成本低。
2
Mobile jaw drip-forged with high quality carbon steel, inactivate treatment, malleable cast iron handle and drip.