What is the percentage of chromium in 18-4-1 high speed steel? (A) 1 (B) 4 (C) 18 (D) 23

What is the percentage of chromium in 18-4-1 high speed steel? (A) 1
(B) 4
(C) 18
(D) 23
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1 Answer

Answer :

(C) 18
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