功率(kw):
-重量(kg):
-规格外形(长*?高)9/p>-
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随着蒸汽动力装置的温度和压力增加,金属环垫的用途就越来越广泛、/span>一般为纯铁(软铁),低碳钢+/span>F5+/span>Cr5Mo,0Cr13,0Cr18Ni9,00Cr19Ni10等,其硬度应比法兰材料低30~40HBS、/span>1.软铁成分: C;/span>0.05+/span>Si;/span>0.4,Mn;/span>0.60,P;/span>0.035,S;/span>0.04 2.F5成分:表礹/span>ASTM技术规茂/span>A182?2所要求的化学成分,4-6% Cr,0.5% Mo, G-307?八角型垫牆/span>G-307?椭圆型垫牆/span>G-307? RX型垫牆/span>G-307? BX型垫牆/span>
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