CWB Module 22 Questions and Answers Already Passed
Complete the following: a) Chromium stabilizes the _____ form of iron b) Nickel stabilizes the _____ form of iron a) bcc b) fcc If a straight chromium steel of 18% Cr and < 0.1 % C is heated to 1000°C will it transform to austenite or remain as ferrite? remain as ferrite What is the predominant structure of an 18% Cr, 8% Ni steel at room temperature? austenite The chromium content of a stainless steel is 20%. Is it likely this is a martensitic grade? No, Martensitic grade is 18% to 11.5% Cr A 14% Cr martensitic steel heated to 1000°C and air cooled produces a) ferrite b) aus1enite c) martensite c) martensite
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cwb module 22 questions and answers already passed
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