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1、公司名称:无锡市科尔不锈钢有限公司COMPANY:WUXI KORER STAINLESS STEEL CO.,LTD地址:中国江苏省无锡市坊前镇峰泉路21号ADDRESS:NO.21,FENGQUAN ROAD,FANGQIAN TOWN,WUXI CITY,JINGSU,CHINA.钢 管 质 量 证 明 书INSPECTION CERTIFICATEEN 10204/3.1.B客户（Customer）:陕西瑞邦合同号（Order NO.）：WKSST-100429006标准（SPEC）：DZ2.11.55-2007证书号（Certficate No.）：20100516001图号Draw
2、ing No.组号Group NO.牌号Grade规格Sizes弯曲半径mmRadius单支长度mmLength炉号Heat No.数量PCSM706-063220A1TP30416*0.950.0027017.00SF1731043M706-063220A3TP30416*0.988.1027137.00SF1731049M706-063220A5TP30416*0.9126.2027256.00 SF1731051M706-063220A7TP30416*0.9164.3027376.00 SF1731049M706-063220A9TP30416*0.9202.4027496.00 SF
3、1731044M706-063220A11TP30416*0.9240.5027616.00 SF1731045M706-063220A13TP30416*0.9278.6027735.00 SF1731043M706-063220A15TP30416*0.9316.7027855.00 SF1731041M706-063220A17TP30416*0.9354.8027975.00 SF1731039M706-063220A19TP30416*0.9392.9028094.00 SF1731037化学成份Chemical composition(%)CSiMnPSNiCrMo标准值Requi
4、red analysis0.0501.002.000.0450.0308111820/熔炼炉号Heat analysisSF17310/成品分析Product analysisSF17310/机械性能试验及工艺性能试验mechanical&metallurgical properties检验比例frequency拉伸试验tensile test:YS0.2%(Mpa)205 TS(Mpa)515 E(%)35卷边试验flange test压扁试验flattening test扩口试验enlarging test反弯试验reverse bend test硬度试验hardness test:HRB
5、90晶间腐蚀试验Intergranular Corrosion test:ASTM A262E表面污物分析surface contamination analysis:表面氯化物密度10.7mg/m每批取2个每批取1个每批取1个每批取1个每批取1个每批取1个每批取1个每500根取1个试验结果results以上试验结果符合标准要求直管热处理heat treatment on straight tubes1040100%无损检测NDTASTM E426合格100%水压试验hydrostatic test on bend tubes合格100%尺寸外观检验Dimensional and visual examination:合格通球试验ball passing test-R mini to 3D-ball diameter:r=85%d，合格兹证明以上所列各试验项目及试验结果均符合订货要求We certify hereby that the above mentioned product are consistent with the order and specification制表prepared by:王静日期Date:2010-05-16批准approved by:袁志伟日期Date:2010-05-16