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贵阳低中压锅炉管力学性能

文章出处:http://physique-hq.com作者:贵州华冶钢联钢材有限公司发表时间:2019/8/8 15:07:18

  贵阳低中压锅炉管泛指用于低压锅炉(压力小于等于2.5MPa)和中压锅炉(压力小于等于3.9MPa)的无缝钢管,可用于制造低中压锅炉的过热蒸汽管、沸水管、水冷壁管、烟管和拱砖管等,一般采用10、20号等热轧或冷轧的优质碳素结构钢制成。通常需要水压、卷边、扩口、压扁等试验来确保产品质量和性能。

  贵阳低中压锅炉管力学性能:  抗拉强度 σb (MPa):≥410(42)屈服强度 σs (MPa):≥245(25)伸长率 δ5 (%):≥25断面收缩率 ψ (%):≥5,硬度 :未热处理,≤156HB,试样尺寸:试样尺寸25mm  热处理规范及金相组织:  热处理规范:正火,910℃,空冷。金相组织:铁素体+珠光体。

  YAZHIWUFENGGUANDEYUANLIAOSHIYUANGUANPI,YUANGUANPEIYAOJINGGUOQIEGEJIDEQIEGEJIAGONGCHENGZHANGDUYUEWEI1MIDEPILIAO,BINGJINGCHUANSONGDAISONGDAORONGLUNEIJIARE。GANGPIBEISONGRURONGLUNEIJIARE,WENDUDAYUEWEI1200℃。RANLIAOWEIQINGQIHUOYIGUI。LUNEIWENDUKONGZHISHIGUANJIANXINGDEWENTI.YUANGUANPICHULUHOUYAOJINGGUOYALICHUANKONGJIJINXINGCHUANKONG。YIBANJIAOCHANGJIANDECHUANKONGJISHIZHUIXINGGUNCHUANKONGJI,ZHEIZHONGCHUANKONGJISHENGCHANXIAOLVGAO,CHANPINZHILIANGHAO,CHUANKONGKUOJINGLIANGDA,KECHUANDUOZHONGGANGZHONG。CHUANKONGHOU,YUANGUANPIJIUXIANHOUBEISANGUNXIEYA、LIANYAHUOJIYA。JIYAHOUYAOTUOGUANDINGJING。DINGJINGJITONGGUOZHUIXINGZUANTOUGAOSUXUANZHUANRUGANGPEIDAKONG,XINGCHENGGANGGUAN。GANGGUANNEIJINGYOUDINGJINGJIZUANTOUDEWAIJINGZHANGDULAIQUEDING。GANGGUANJINGDINGJINGHOU,JINRULENGQUETAZHONG,TONGGUOPENSHUILENGQUE,GANGGUANJINGLENGQUEHOU,JIUYAOBEIJIAOZHI。GANGGUANJINGJIAOZHIHOUYOUCHUANSONGDAISONGZHIJINSHUTANSHANGJI(HUOSHUIYASHIYAN)JINXINGNEIBUTANSHANG。RUOGANGGUANNEIBUYOULIEWEN,QIPAODENGWENTI,JIANGBEITANCECHU。GANGGUANZHIJIANHOUHAIYAOTONGGUOYANGEDESHOUGONGTIAOXUAN。GANGGUANZHIJIANHOU,YONGYOUQIPENSHANGBIANHAO、GUIGE、SHENGCHANPIHAODENG。BINGYOUDIAOCHEDIAORUCANGKUZHONG [1] 。

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