首页> 外国专利> MANUFACTURING METHOD OF SEAMLESS TUBES WITH SIZE OF 465×15-25 mm FOR STEAM BOILERS, STEAM LINES AND HEADERS OF PLANTS WITH HIGH AND SUPERCRITICAL STEAM PARAMETERS FROM INGOTS OF ELECTROSLAG REMELTING OF STEEL GRADE '10Х9МФБ-Ш'

MANUFACTURING METHOD OF SEAMLESS TUBES WITH SIZE OF 465×15-25 mm FOR STEAM BOILERS, STEAM LINES AND HEADERS OF PLANTS WITH HIGH AND SUPERCRITICAL STEAM PARAMETERS FROM INGOTS OF ELECTROSLAG REMELTING OF STEEL GRADE '10Х9МФБ-Ш'

机译:从“10Х9МФБ-Ш”级钢的电重熔炉锭中提取高,超临界蒸汽参数的蒸汽锅炉,蒸汽管线和割台的尺寸为465×15-25 mm的无缝钢管的制造方法

摘要

FIELD: technological processes.;SUBSTANCE: invention relates to tube rolling. Hollow ingots with the ratio of diameter to wall thickness of 5.0 to 5.5 are molten by means of an ESR method, which are then turned and bored into hollow cakes with the ratio of diameter to wall thickness of 5.8 to 6.6. Cakes are heated to the temperature of 1190-1200°C and rolled on TPU 8-16" unit with pilger mills into semi-finished tubes with the size of 480×30-35 mm with supplies to deformation zone m=14-16 mm and semi-finished tubes with the size of 480×38-40 mm with supplies to deformation zone m=15-17 mm. Semi-finished hot-rolled tubes are straightened, heat treated, turned and bored into marketable tubes.;EFFECT: improvement of mechanical properties and accuracy of geometrical dimensions of tubes.;1 tbl
机译:技术领域:技术过程。物质:本发明涉及管轧制。直径与壁厚之比为5.0至5.5的空心锭通过ESR方法熔融,然后将其旋转并钻孔成直径与壁厚之比为5.8至6.6的空心饼。蛋糕被加热到1190-1200°C的温度,并在带有pilger磨机的TPU 8-16“装置上轧成尺寸为480×30-35 mm的半成品管,并向变形区m = 14-16 mm供料尺寸为480×38-40 mm的半成品管和半成品管,变形区域m = 15-17 mm;半成品热轧管经矫直,热处理,车削和钻孔后制成可销售的管。改善机械性能和管的几何尺寸精度。; 1 tbl

相似文献

  • 专利
  • 外文文献
获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号