For ferriticchromium steel, its thickness of layer is greater than that of austenite chromium steel.
铁素体型钢的渗层厚度明显大于奥氏体型钢。
2
The rare earth element was added into low - chromiumferritic stainless steel in order to improve the mechanical properties.
本研究尝试在低铬铁素体不锈钢中加入稀土，以改善合金的力学性能。
3
The invention relates to a method for preparing chromium-free intensified passivation solution for Martensitic stainless steel and ferritic stainless steel and an application thereof.