To compare the properties of wire rod made of continuous casting billet with that made of die casting one The conditions of stranded wire made of the two kinds of wire rod are analyzed It is pointed out that serious centre segregation existing in the wire rod made of continuous casting billet at home is the main cause for pen point shape fracture,and the pen point shape fracture appearing in drawing is discontinuous and in whole length
The paper introduces the cold crucible vacuum induction melting technique, the methods of stiring the alloy liguid, reversing the alloy ingot, segmental die casting, pressure casting and centrifugal casting, which are developed on the basis of the above mentioned melting technique, and the method of the orientationally solidifying directly in the casting process.
The results show that the resistance of die casting plate to crack forepart propagation is higher than that of continuous casting plates,but to crack unstable extension,the later is no lower than the former and the line segregation will results in CTOD value falling, so the carbon content in continuous casting 10CrNi3MoV steel shall be controlled at a level no more than 0.11% or some other measures shall be adopted to decrease the segregation for good fracture toughness of the steel.
This paper summarises development of the magnesium indurstry abroad in recent years, including its productivity, capacity, market, price and consumption, mainly describes application of magnesium to aluminium-alloy, die-casting and desulfurization in steel liquid.
Introduced recent years activities of die casting industry on the basis of investigation and research of Guangdong die casting production, and discuss the present situation and the developing trend of die casting manufacture of Guangdon. The successes of the die casting industry in Guangdong have attracted the attention of the world.
The trial production of 09V steel grade for 310 Z type is successful by the technology of converter-LF refining-die-casting at Steel-making Plant. In this paper, the process is presented.