熱浸鋅檢驗(yàn)指導(dǎo)書

文件編號文件編號頁次pe3：職責(zé)ResponsibilityupdatingthisspecificationQualityanddocumentationdepartmentresponsibleforstandardize,approval,releaseanddisposalthedocument.andcontrolstheimplementationofnormsISO1461Hotdipgalvanizedcoatingsonfabricatedironandsteelarticles–SpecificationsandtestISO試驗(yàn)方法膜厚儀、百格刀，標(biāo)準(zhǔn)膠帶(3M膠帶)卡尺等鋅層厚度檢驗(yàn)項(xiàng)目文件編號文件編號頁次Sys8-C3防腐蝕等級抽樣Sys9-C4防腐蝕等級抽樣Sys10-C5防腐蝕等級抽樣7.2附著力檢驗(yàn)項(xiàng)目7.3尺寸項(xiàng)目參照GB/T2828-2003AQL=0.65(正常檢驗(yàn)一次抽樣方案)進(jìn)行抽樣檢驗(yàn)拐角，孔口等)用膜厚儀測量鋅層厚度達(dá)下表要求(單位um)SysSys.局部膜厚(最小)平均膜厚(最小)Sys9文件編號C5C5130ys8.2附著力檢驗(yàn)鍍層大面積脫落現(xiàn)象8.3外觀檢驗(yàn)8.3.2熱浸鋅產(chǎn)品表面要求平整，不允許存在漏底、氣泡、銹點(diǎn)、鋅瘤、生銹、粘在產(chǎn)品表面目目視檢查必須避免以下方面：Visualcontrolshallbemadetoavoidthefollowing缺陷Feature接受標(biāo)準(zhǔn)及附加要求Acceptablelevel,preparativelevelandadditionalrequirementIllustration/remark文件編號文件編號頁次4/5d)f)g焊接飛濺WeldingspatterFreeedges焊渣weldingslagVisiblecratersandpores表面Thermalcut“Freeedgesurfaces”坑cratersand材料氣孔Porosity脫落/氧化皮Shelling/millscale翻滾/層疊唯一能接受的焊接飛濺是C型，寬/高≥2，高≤2mmC-typeisacceptable,width≥2，height≤2mm所有自由邊全部打磨或加工按照到ISO13715-0.2mm/-0.8mm.Allfreeedgesmustbede-burredandmustmeettherequirementstoedgetolerancegiveninISO13715,whereAisdefinedas-0.2mmandBisdefinedas-0.8mm.表面不能有焊渣ThesurfacemustbefreefromweldingslagPoresandcratersshallbesufficientlyopenedbydressingtoallowpenetrationofcoat.不規(guī)則的輪廓表面必須打磨到平滑的過度Irregularprofileshallbegrinded,intogoodandsoundmaterial凹點(diǎn)與環(huán)形坑必須充分打開確保獲得指定的清潔水平,并油漆可以滲透。鋼材的表面質(zhì)量必須滿足ISO8501-1A或B級銹蝕要求。Pitsandcratersmustbesufficientlyopenedbydressingtoensurethespecifiedcleanlinesslevelisobtainedandtoallowpenetrationofpaint.ThesurfacequalityofsteelproductsmustmeettherequirementsgivenforrustgradeAorBinISO8501-1.寬/深比小于2，且深度最大2mmWidth/depthoftheporositymustbe>2Depth:Maximum2mm.可見的脫落/氧化皮不接受Visibleshellingandmillscalesarenotacceptable目測能看見的翻滾/層疊是不能接受的坑必須用刷子刷油漆填充Craterswithawidth≤2mmmustbefilledbypaint(brush)ordressedout文件編號文件編號頁次j)qRollovers/laminations附著的異物Rolled-inextraneousmatter凹槽與磕傷Groovesandgouges壓痕和輥印Indentationsandrollmarks深而不均勻的打磨痕跡Grindingmark具有尖銳邊劃傷scratch油、油漬、鹽分oil,salt標(biāo)記NDTresidueandmark其他類型的缺陷OthertypeofdefectsVisibleroll-overandlaminationsarenotacceptable附著的異物是不接受的Rolled-inextraneousmatterisnotacceptable如果下列要求不能滿足，那么凹槽和圓鑿要矯正：寬/深＞1.5深：最大2mmGroovesandgougesmustbedressediftherequirementslistedbelowarenotmet:Width/depth>1.5Depth:maximum2mm壓痕和輥印必須有滿足自由邊要求的光滑邊緣Indentationsandrollmarksmusthavesmoothedgesthatfulfilltherequirementsforfreeedges.不接受Notacceptab