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1、中国五环P工程有限公司大同煤矿集团有限责任公司详细设计2版年产60万吨甲醇项目第1页共4页MATERIALIDENTIFICATIONSPECIFICATION管道材料标识规定2A版次说明编制校核审核H期大同煤矿集团有限责任公司W"中国五环U工程有限公司管道材料标识规定(Materialidentificationspecification)年产60万吨卬醇项目详细设计2A版第2页共4页1.SCOPE(范围)Thisdocumentcoversrequirementsfortheidentification
2、ofpipingmaterials.该文件规定了管道材料标识方面的要求。2.Markingmethod(标识方法)2.1Requiredmarkingsshallbeappliedtodistinguishakindofmaterial,size,thicknessect.ofpipingmaterialsbystencil,paintingorhardstamping,however,thefollowinglimitationsapply.更求以卬制图案、油漆或加盏钢卬方法制成的标识,能够区分管道材料的
3、种类、规格、壁厚等,此外还要满足以下限制条件:(1)Hardstampingshallonlybeappliedusingnlow-streeH(rounded)typediestamps.Hardstampingshallnotbeusedonstainlesssteelpipeorbuttweldfittings.压制钢印只能采用低应力形式的压模,不锈钢钢管或对焊管件不能压制钢印。(2)Inkstampedmarksshallbemadeonsuitablypreparedareasandsuchmar
4、ksshallbeproteectedbyclearvarnish.在准备好的合适区域加墨水喷码并用清漆保护。(3)Anyhardstampimgorinkstampedmarkingsaretobehighlightedbyencirclingwithawhitepaintedcircle,exceptwheresuchmarksarecontinuousoverthemajorportionoftheitem.钢印或墨水喷码在部件上主耍区域如果不是连续的,一定要川口色漆环作出显著标记。(4)Anypai
5、ntsjnksorvamishshallbedurableandmarksshallbecapableofremaininglegibleatleasttwoyearsfromdeliverysubjecttoweather,marineatmosphereandhandling.Suchmarkingmaterialsshallnotbeinjurioustotheitembeingmarkedandinparticular,shallbesulphur-freeandnotcontainAntimony
6、,Arsenic,Copper,Lead,Mercury,Sodium,VanadiumorZincinindividualconcentrationsgreaterthan0.3%byweightinthedryfilm图案、墨水喷码或清漆须经久耐用,无论运输、加丁过程或受天气条件影响,要求2年内能够保持清晰。标识材料不能对部件冇损害,一般来说,不能含冇硫、怫、仲、铜、铅、汞、钠、矶或质量含量超过0.3%的锌。2.2Todistinguishthematerial,size,thicknessect.di
7、fferentcolorofpaintingwhichisasinglecolororcombinationoftwocolorsshallbepaintedasindicatedinfollowingpages(tocallHcolorcodeM)为区分材料、规格、壁厚等,单色或双色混合而成的不同颜色的漆可按照后述耍求喷涂(即色标)2.3Thematerialsthatcanbeeasilydistinguishedwithtestitsinsherentcharacteristicssuchasinhe
8、rentmetalcolor(copperjeadaluminiumect.)orzincplatedsteel,neednotdistingushedbycolorcode・可依照材料本身特性(金属色泽)进行区分的材料,不需用色标区分。如铜、铅、铝或镀锌部件等。2.4Incasethatno-distinguishedmaterislswhichneedcolorcodewouldbedeliveredtoth