Process for producing low-chromium complex alloy grinding ball
A multi-component alloy and production process technology, applied in the field of wear-resistant materials, can solve problems such as poor fatigue impact resistance and wear resistance, high breakage rate and out-of-round rate, and low product yield, so as to improve internal and external quality, Improves fatigue impact resistance and wear resistance, and improves product yield
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[0016] In order to describe in detail the technical content, structural features, achieved objectives and effects of the present invention, the following will be described in detail in conjunction with the embodiments.
[0017] 1. Control of chemical composition
[0018] The chemical composition of the casting ball that technique of the present invention makes is as shown in table 1 below:
[0019] Table 1
[0020]
[0021] 2. Raw materials
[0022] Scrap steel: Clean scrap steel is required
[0023] Pig iron: use GB / T718-2005 foundry pig iron, the grade is Z14, and vanadium-titanium pig iron can also be used.
[0024] Carbon ferrochrome: use GB / T5683-2008 ferrochrome, the grade is FeCr600 or FeCr1000.
[0025] Ferromolybdenum: selected by GB / T3649-2008.
[0026] Rare earth ferrosilicon: use GB / T4173-2004 rare earth ferrosilicon alloy, the brand can be one of the following four types, FeSiRE21, FeSiRE24, FeSiRE27, FeSiRE230.
[0027] Ferrosilicon: reserve according to...
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