特殊钢
特殊鋼
특수강
SPECIAL STEEL
2005年
2期
51-53
,共3页
AOD%精炼%高氮奥氏体不锈钢%1Cr22Mn15N
AOD%精煉%高氮奧氏體不鏽鋼%1Cr22Mn15N
AOD%정련%고담오씨체불수강%1Cr22Mn15N
用20t AOD精炼成分(%)为1.84C,2.18Mn,24.88Cr的粗炼钢水,经吹O2、N2,加电解锰、硅铁、铝块以及NCr合金成分微调,冶炼出(%)0.12C,0.42Si,14.96Mn,0.026P,0.001S,22.57Cr,0.56N的高氮奥氏体不锈钢1Cr22Mn15N.精炼钢水浇铸成590kg锭,初轧轧成135 mm×157 mm坯,再经连轧成φ8～12 mm的棒材.成品材固溶处理后的屈服强度为565～585 MPa,抗拉强度920～955 MPa,延伸率为54.5%～56.5%,具有优良的耐腐蚀性能.
用20t AOD精煉成分(%)為1.84C,2.18Mn,24.88Cr的粗煉鋼水,經吹O2、N2,加電解錳、硅鐵、鋁塊以及NCr閤金成分微調,冶煉齣(%)0.12C,0.42Si,14.96Mn,0.026P,0.001S,22.57Cr,0.56N的高氮奧氏體不鏽鋼1Cr22Mn15N.精煉鋼水澆鑄成590kg錠,初軋軋成135 mm×157 mm坯,再經連軋成φ8～12 mm的棒材.成品材固溶處理後的屈服彊度為565～585 MPa,抗拉彊度920～955 MPa,延伸率為54.5%～56.5%,具有優良的耐腐蝕性能.
용20t AOD정련성분(%)위1.84C,2.18Mn,24.88Cr적조련강수,경취O2、N2,가전해맹、규철、려괴이급NCr합금성분미조,야련출(%)0.12C,0.42Si,14.96Mn,0.026P,0.001S,22.57Cr,0.56N적고담오씨체불수강1Cr22Mn15N.정련강수요주성590kg정,초알알성135 mm×157 mm배,재경련알성φ8～12 mm적봉재.성품재고용처리후적굴복강도위565～585 MPa,항랍강도920～955 MPa,연신솔위54.5%～56.5%,구유우량적내부식성능.
