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个人中心收藏查看我的收藏0有用+10锅炉用无缝钢管播报讨论上传视频无缝钢管锅炉用无缝钢管是一种具有中空截面，从头到尾的没有焊缝的钢管。钢管具有中空截面，中文名锅炉用无缝钢管
外文名Seamless steel tube for boiler
标    准GB/T5310-2018

目录
1产品介绍2表面处理3规格
产品介绍
播报编辑锅炉用无缝钢管锅炉用无缝钢管（GB/T5310-2018）是用于制造高压及其以上压力的水管锅炉受热面用的优质碳素钢、合金钢和不锈耐热钢无缝钢管。锅炉用无缝钢管：这些锅炉管经常处于高温和高压下工作、管子在高温烟气和水蒸汽的作用下还会发生氧化和腐蚀，因此要求钢管有高的持久强度、高的抗氧化性能，并具有良好的组织稳定性，采用钢号有：优质碳素结构钢钢号有20G、20MnG、25MnG；合金结构钢钢号15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiB等；有锈耐热钢常用1Cr18Ni9、1Cr18Ni11Nb高压锅炉管除保证化学成分和机械性能外，要逐根做水压试验，要作扩口、压扁试验。钢管以热处理状态交货。此外，对成品钢管显微组织、晶粒度、脱碳层也有一定要求。高压锅炉用钢管锅炉用无缝钢管执行标准：GB/T5310-2018高压锅炉用无缝管
表面处理
播报编辑高压锅炉用无缝钢管表面处理及产品加工过程中常见问题：【1】 高压锅炉用无缝钢管表面不一致：只对焊缝进行酸洗钝化，也造成表面不均匀，影响美观。【2】高压锅炉用无缝钢管划痕难除去：整体酸洗钝化，也不能将加工过程中产生的各种划痕去掉，并且也不能去除由于划伤、焊接飞溅而粘附在不锈钢表面的碳钢、飞溅等杂质，导致在腐蚀介质存在的条件下发生化学腐蚀或电化学腐蚀而生锈。【3】焊缝缺陷：焊缝缺陷较严重，采用手工机械打磨处理方法来弥补，产生的打磨痕迹，造成表面不均匀，影响美观。无缝钢管执行标准1、结构用无缝钢管：GB8162-2008 2、输送流体用地缝钢管：GB8163-20083、3、低中压锅炉管锅炉用无缝钢管：GB3087-2008 4、锅炉用高压无缝管：GB5310-2008（ST45.8-Ⅲ型） 5、化肥设备用高压无缝钢管：GB6479-1999 6、地质钻探用无缝钢管：YB235-70 7、石油钻探用无缝钢管：YB528-65 8、石油裂化用无缝钢管：GB9948-88 9、石油钻铤专用无缝管：YB691-70 10、汽车半轴用无缝钢管：GB3088-1999 11、船舶用无缝钢管：GB5312-1999 12、冷拔冷轧精密无缝钢管：GB3639-1999 13、各种合金管16Mn、27SiMn、15CrMo、35CrMo、12CrMov、20G、40Cr,12Cr1MoV,15CrMo另外，还有GB/T17396-1998（液压支柱用热轧无缝钢管）、GB3093-1986（柴油机用高压无缝钢管）、GB/T3639-1983（冷拔或冷轧精密无缝钢管）、GB/T3094-1986（冷拔无缝钢管异形钢管）、GB/T8713-1988（液压和气动筒用精密内径无缝钢管）、GB13296-1991（锅炉、热交换器用不锈钢无缝钢管）、GB/T14975-1994（结构用不锈钢无缝钢管）、GB/T14976-1994（流体输送用不锈钢无缝钢管）、GB/T5035-1993（汽车半轴套管用无缝钢管）、API SPEC5CT-1999（套管和油管规范）等。
规格
播报编辑锅炉用无缝钢管规格表规格规格规格12×1.573×4-4.5-5-6-7-8-9-10-12-15219×30-4014×1.5-2.5-376×4-4.5-5-6-7-8-9-10-12-14245×8-10-14-17-20-2216×1.5-2.5-483×4.5-5-10-12━14-16-18-20245×25-28-30-34-4018×2.3-4-589×4.5-8-10-12━14-16-18-20273×7-9-12-15-18-20-2520×2.5-3-595×4.5-6-8-10-12-14-16-20273×30-35-38-4024×2.5-3-4-5-6102×4.5-5-6-7-8-10-12-14-16-20299×8-12-16-20-24-2825×2.5-3-4-5-6108×4.5-5-6-7-8-10-12-14-18-20-22299×30-32-36-38-4028×3-3.5-4-5-6114×4.5-5-6-7-8-10-12-14-18-20325×8-12-14-18-3832×3.5-4-5-6-8121×4.5-5-6-7-8-10-12-14-16-20325×28-32-34-3834×4-5-6-8127×4.5-5-6-7-8-10-12-14-16-20351×10-16-20-25-4036×3.5-5-6-8133×4.5-6-8-12-14-16-18-20-25-30355×6-18-20-25-30-4038×4-5-6-7-8-9-10140×5-6-7-8-9-10-12-14-16-20-22377×8-12-15-20-24-2839×3.5-5-8-10146×4.5-6-8-12-14-16-18-20-25-30377×30-37-4042×3.5-4-5-6-7-8-9-10152×4.5-6-8-12-14-16-18-20-25-30402×10-15-20-25-30-3545×3.5-4-5-6-7-8-9159×4.5-6-10-12-14406×10-20-25-28-35-4048×3.5-4-5-6-7-8-9-10159×16-18-20-22-25-30426×10-12-14-16-20-25-30-35-4051×3.5-4-5-6-7-8-9-10168×8-10-12-14-20-25-30-35450×10-12-14-16-20-25-34-4056×3.5-4-5-6-7-8-9-10180×8-12-16-25-30480×10-12━14-16-18-20-25-30-4057×3.5-5-6-7-8-9-10-12180×32-34-38-40500×10-12-14-16-20-25-34-4060×3.5-4.5-5-6-7-8-9-12-14194×6-8-12-16-20-25-30-40510×10-12-14-16-20-25-34-4063×3.5-4.5-5-6-7-8-9-10-12-14203×6-7-10-15-20-25-30530×10-12-14━16-18-20-30-40新手上路成长任务编辑入门编辑规则本人编辑我有疑问内容质疑在线客服官方贴吧意见反馈投诉建议举报不良信息未通过词条申诉投诉侵权信息封禁查询与解封©2024 Baidu 使用百度前必读 | 百科协议 | 隐私政策 | 百度百科合作平台 | 京ICP证030173号 京公网安备11000002000001号window.PAGE_DATA= 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