GH4080A高温合金,GH4080A耐热钢,GH4080A价格●GH4080A耐热钢化学成份:碳 C :0.04-0.10硅 Si:≤1.00锰 Mn:≤1.00硫 S :≤0.015磷 P :≤00.020铬 Cr:18.00-21.00