WELDING PROCEDURE SPECIFICATION焊接工艺规程ZHANGJIAKOU CGE GEO-MACHINERY CO,LTD. 张家口中地装备探机-化机分公司Referring Specification执行标准Welding process(es) 焊接方法Supporting PQR No.(s) PQR号AWS D1.1 2008GMAW气体保护熔化极电弧焊PrequalifiedJOINT DESIGN USED 接头形式Backing衬垫Backing Material衬垫材料Backing Gouging清根——— POSITION 焊接位置Position of Groove 坡口焊Vertical Progression 方向—Fillet角焊—1FBASE METALS 母材Material 材料Material Spec. 材料规格Thickness 厚度Diameter(Pipe) 直径（管）ELECTRICAL CHARACTERISTICS 电弧特性Transfer Mode(GMAW) 过渡形式Current 电流Arc length电弧长度Power Source电源Other其它Tungsten Electrode(GTAW)钨电极(钨极氩弧焊)short-circuting 短路过渡DCEP直流反接—CV稳定电压输出—Size尺寸—Type类型—Q235B;Q345B AWS Group I；AWS Group II3≤T≤32mm—FILLER METALS 填充材料Trade No. 牌号AWS Specification 规范AWS Classification 分类LYER50-6AWS A5.18AWS ER70S-6SHIELDING 保护气体Flux 焊剂Electrode -Flux(Class) 电极-焊剂（级别）—Gas保护气Composition成分Flow Rate —气体流量Gas Cup Size喷嘴直径15mm15L/minCO299.80%TECHNIQUE 技术Stringer or Weave Bead 摆动宽度Electrode length焊丝干伸长Multi-pass or Single Pass 多层/单层焊Number of Electrodes 电极数Electrode Spacing 电极间距Peening 锤击Interpass Cleaning 层间清理3mm12-15mmSing Pass 单层焊————PREHEAT 预热Preheat Temp.,Min. 预热Interpass Temp.,Min. 层间温度—Max.最大250℃POSTWELD HEAT TREATMENT 后热Temp. 温度Time. 时间——WELDING PROCEDURE 焊接程序Pass or WeldLayer(s)焊层Process方法GMAWFiller Metals填充金属Class级别ER70S-6Diam.直径(mm)1.2Current 电流 (A)Type&Polarity极性Amps or WireFeed Speed220-250Volts电压(V)30-33TravelSpeed速度(mm/min)Gas Type气体类型CO2Flow RateHeat Input气体流量2(L/min)(KJ/mm)151.4-2.9Joint Details接头形式Sing PassDCEP170-280Notes1)Heat input shall not excess the max. value.不得超过规定的热输入。2)The ambient temp.shall not less than 18℃ in shop,or the wind velocity less than 5 miles per hour in field.本套程序应用于环境温度不小于18℃车间内，或室外风速不大于8km/h。3)The max.assembly clearance shall not excess 2millimetres.最大装配间隙不得超过2mm.4)Tacing welding shall conform to root pass of other same type of process定位焊依照其他相同类别根部焊接工艺。5)Welding groove shall be free of oil,rust etc.impairing welding quality.待焊坡口表面应当无油污、锈水等污物影响焊缝质量。Project 项目：Owner 业主：Inspecting检验：煤矿纵放成套设备4763电缆槽张家口煤机厂Prepared By 编制：Date日期：Approved By批准：Date日期：Wangyan2012/8/28