Dec 01, 2015 · Through heating and melting the successive pre-alloyed, atomized powders such as 17-4 PH stainless steel, cobalt chromium and titanium Ti6Al-4V, DMLS and SLM utilize a focused laser beam , , , , while EBM using a scanned electron beam (up to 60 kV voltage) . The actual building process is done in a vacuum or inert environment in order to avoid
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tipped pcbn inserts with brazed cbn cutting edges for hard tipped pcbn inserts with brazed cbn cutting edges are used for machining ferrous hard metals such as nodular cast iron, hardened steel, high speed steel, die steel, bearing steel, cemented steel, heat resisting steel, carbon tool steel, chromium and nickel molybdenum alloy. the working tips of cbn inserts are made by pure polycrystalline cubic boron nitride, cbn tipped inserts are mainly for
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Competition Power Dec 2015 Elections Politics (General)With 3.3% growth in production at 75.07 MT during the 10-month period, the growth rate outpaced China, Japan, the US, South Korea and Russia all clocked negative growth in the range between 0.2% and 8.8%, according to the World Steel Association.