铁素体-珠光体型非调质钢
ferrite-pearlite type microalloyed mediumcarbon steel
ferrite-pearlite type microalloyed medium-carbon s
片体间距
distance between two hulls
hull separation
12Cr1MoV珠光体耐热钢
12CrIMoV pearlite heat searing steel
共析珠光体钢
eutectoid pearlitic steel
eutectoid pearlite steel
过共析珠光体钢
Hyper-eutectoid Pearlite Steel