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CWB MOD 22 Welding Metallurgy of Stainless Steels QUESTIONS AND ANSWERS RATED A+ 2024/2025
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CWB MOD 22 Welding Metallurgy of Stainless Steels QUESTIONS AND ANSWERS RATED A+ 2024/2025
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CWB MOD 22 Welding Metallurgy ofStainless Steels
Exercise Questions Section 1 - 6
1. Complete the following :
a) Chromium stabilizes the _________form of iron
b) Nickel stabilizes the ______________form of iron
a) BCC
b) FCC
Exercise Questions Section 1 - 6
2. If a directly chromium metallic of 18% Cr and < zero.1% C is heated to 1000 Celsius will it
transform to austenite or stay as ferrite?
Remain as ferrite
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Exercise Questions Section 1 - 6
3. What is the main structure of an 18 % Cr, 8% Ni steel at room temperature?
Austenite
, Exercise Questions Section 1 - 6
four. The chromium content of a stainless steel is 20%. Is it likely this is a martensite grade?
No
Exercise Questions Section 1 - 6
five. What does the Letter L represent inside the designation 316L?
A) low chromium
b) longitudinal specimen
c) low carbon (maximum zero.03%)
c) low carbon (maximum 0.03%)
Exercise Questions Section 6-7
1. A 14% Cr martensitic metallic hardened to one thousand Celsius and air cooled produces:
a) ferrite
b) austenite
c) martensite
c) martensite
Exercise Questions Section 6-7
2. Determine the minimal unique titanium content material of a kind 409 ferritic stainless steel
with zero.05% carbon
0.3% Ti
Exercise Questions Section 6-7
3. Does an austenitic stainless steel have a more or lesser work hardening price than carbon
steel?
Greater
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