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1)  low carbon medium chromium steel
低碳中铬钢
2)  medium and low carbon ferrochromium
中低碳铬铁
1.
It briefly introduces the process of producing medium and low carbon ferrochromium with hot charging ferrochromium in electro-silicothermic method as well as the economic benefit obtained.
简要介绍了采用热装硅铬的电硅热法生产中低碳铬铁的过程和所获得的经济效益。
3)  low carbon in steel
钢中低碳
1.
Electron probe quantitative analysis of low carbon in steel;
钢中低碳的电子探针定量分析
4)  medium and low carbon steel
中低碳钢
1.
Nowadays,the evaluation of medium and low carbon steel hardenability and the hardenability thickness forecast after quenching has become a spotlight.
针对中低碳钢淬透性评估及辊式淬火机淬火后钢板淬透层深度预测等问题,应用修正格罗斯曼法,分析碳含量、奥氏体晶粒度及合金元素对钢淬透性的影响,同时采用非线性拟合、多元化分析等方法,引入合金影响系数的概念,建立了中低碳钢淬透性预测数学模型。
5)  chromium-nickel low carbon stee
铬-镍低碳合金钢
6)  medium carbon Cr-Ni-Mo steel
中碳铬镍钼钢
1.
Through the resistance curves(J_R-△a) measurement and in conbination with the TEM microstructure and SEM surface fracture analysis,the ductile fracture toughness of two high tempered medium carbon Cr-Ni-Mo steels was investigated.
通过对阻力曲线(J_R-△a)的剖析,结合TEM组织和SEM断口分析,研究了两种中碳铬镍钼钢高温回火态的延性断裂韧度。
补充资料:超低碳不锈钢
分子式:
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性质:含碳量低于0.03%的不锈钢,一般指奥氏体不锈钢。不锈钢中的碳含量降低到0.03%以下,即超低碳化,能有效地避免不锈钢出现贫铬区和防止晶间腐蚀敏感性。碳在铁素体不锈钢中的危害更加严重,当大约从927℃;以上快冷时就会沿晶界析出铬的碳化物,形成晶界贫铬区,而在腐蚀环境中容易发生晶间腐蚀,为了避免晶间腐蚀就要求碳含量必须低于0.01%。采用氩氧脱碳精炼法和真空氧脱碳精炼法,都能生产超低碳不锈钢。

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