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I want to prepare suspension for metallography of cast iron, how should i solve aluminum oxide!???
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we study the surface of gray cast iron, i'm facing with Both of Type A and D, i want to know whats the reason of existing both type A and D in on surface?? does it refer to preparation or...
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i want to know , how should we add sulfur to molten steel in iron-making, in which method? as tablet? granola? powder? we manufacture alloy steel. thanks
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