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DIN 1.3343 High Speed Alloy Tool Steel Round Bar Dia 20-200mm 1- Chemical composition(%): Grade C Si Mn P S Cr Mo W V W6o5Cr4V 0.80-0.90 0.20-0.45 0.15-0.40 ≤0.03 ≤0.03 3.80-4.40 4.50-5.50 5.50-6.75 ...