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冲天炉熔炼低碳铁料,通过增碳和孕育处理,获得高碳当量(CE3.75~4.1%)、高强度(σb27~37kgf/mm~2)薄壁L20/27柴油机机体。
Cupola smelting low-carbon iron, carbon and fertilization by carbonation, access to high carbon equivalent (CE3.75 ~ 4.1%), high strength (σb27 ~ 37kgf / mm ~ 2) thin-walled L20 / 27 diesel engine body.