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| Ss Welded Tubes For Hph,lph And Dc | |||
| 发布时间： 2024-6-28 浏览：7 | |||
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发 布 人：todaytex 发布人：QQ 1407106692 ; 微信：1407106692 联系网址：http://www.todaytex.com |
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公司：Ss Welded Tubes For Hph,lph And Dc 国家：follow 联系人：follow 地址： 详细内容 2. Eddy current test shall be done as per supplementary requirement S1 of specification SA 688. Heat treatment of straight tube and bent portion shall be carried out as per SA688. Straight tubes/straight tubes of U-Tubes before U-bending shall be bright annealed (both inside and out surfaces). U bend shall be purged with inert gas during Heat Treatment of U-bent portion. 3. Flaring test on each lot at least two tests from each lot are to be conducted as per SA 450. 4. Longitudinal welds of tubes shall be ultrasonic tested. 5. For tubes supplied in bent conditions, tube thinning shall be governed by the following formula. t = to ( 1 + d/4R ) where t = specified minimum tube wall thickness. to = Thickness after bending d = Outside diameter of tube R = Center line bend radius 6. Minimum thickness, Ovality etc., achieved for minimum bend radius tube for each thickness shall be proved. 7. Hot bending to form U tubes shall not be acceptable. 8. Bending, heat treatment and Hydrotest shall be as per Quality Plan latest revision and relevant drawing. Each tube shall be hydro tested to test pressure mentioned in the drawing/P.O. 9. Corrosion test shall be carried out as per requirement of SA 688 TP 304/304L 10. Inspection and certification shall be as per ASME Sec. II Part A edition & Addenda as indicated in the drawing / P.O. & enclosed quality plan. Incase of Lloyds inspection ,where the material is sourced from suppliers other than India ,the certification shall be in IBR form III C duly signed by Lloyds Register. 联系方式 Email helen-yunshen@umail.hinet.net 公司名 North American Philips 国家 美国 联系人 Sam Morrone 地址 3861 S. 9th St., Salina, KS 67401-8900, USA 电话 001 785-826-3500 [hide]其他[/hide]Email hotlinechina@163.com,targard@ciaf.es,jgraham@adlerglobal.com,chun@qd-puclic.sd.cninfo.net,gordon_zhang@global2china.com, 电话：above 传真： above 邮箱：above 网址：above 采购本类产品及：above |
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