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页码 焊条牌号 药皮类型 焊接电源 主要用途 1 CHE502WCu 钛钙型 交直流 09MnTiPCu、09CuTiRE等铁道车辆用耐侯钢的焊接 2 CHE505Mo 纤维素钠型 直流 用于压力管道及同类材料结构的打底焊 3 CHE506NiLH 低氢型 交直流 焊接低合金钢重要结构，如海上平台、船舶等 4 CHE506WCu 低氢型 交直流 09MnTiPCu、09CuTiRE等铁道车辆用耐侯钢的焊接 5 CHE507NiLH 低氢型 直流 焊接低合金钢重要结构如锅炉、海上平台等 6 CHE507RH 低氢型 直流 焊接低合金钢重要结构如锅炉、海上平台等 7 CHE507CuP 低氢型 直流 焊接铜磷系统抗大气，海水腐蚀钢 8 CHE507MnMo 低氢型 直流 焊接抗硫化氢钢如14MnMoNbCu等 9 CHE507CrNi 低氢型 直流 用于耐海水腐蚀钢的焊接 10 CHE508Ni 低氢型 交直流 用于相同等级低合金钢结构的焊接 11 CHE557 低氢型 直流 焊接中碳钢和15MnTi等低合金钢 12 CHE557MoV 低氢型 直流 焊接中碳钢及相应强度低合金钢 13 CHE62CFLH 低氢型 直流 焊接62CF碳钢及相应强度低合金钢 14 CHE606 低氢型 交直流 焊接中碳钢及相应强度低合金钢 15 CHE607 低氢型 直流 焊接中碳钢及相应强度低合金钢 16 CHE607Ni 低氢型 直流 焊接再热裂倾向的钢 17 CHE707 低氢型 直流 焊接相应强度的低合金钢 18 CHE707Ni 低氢型 直流 焊接相应强度的低合金钢 19 CHE707MnMo 低氢型 直流 焊接相应强度的低合金钢 20 CHE757 低氢型 直流 焊接相应强度的低合金钢 21 CHE758 低氢型 交直流 焊接相应强度的低合金钢 22 CHE80C 低氢型 直流 焊接WEL-TEN80C钢 23 CHE857 低氢型 直流 焊接相应强度的低合金钢 24 CHE857Cr 低氢型 直流 焊接相应强度的低合金钢 25 CHE857CrNi 低氢型 直流 E级钢焊接 26 CHE858 低氢型 交直流 焊接相应强度的低合金钢 27 CHH107 低氢型 直流 用于工作温度510℃以下的珠光体耐热钢焊接 28 CHH108 低氢型 交直流 用于工作温度510℃以下的珠光体耐热钢焊接 29 CHH202 钛钙型 交直流 用于工作温度510℃以下的珠光体耐热钢焊接 30 CHH207 低氢型 直流 同CHH202 31 CHH307 低氢型 直流 用于工作温度520℃以下的珠光体耐热钢焊接 32 CHH308 低氢型 交直流 用于工作温度520℃以下的1%铬，0.5%钼低合金钢焊接 33 CHH317 低氢型 直流 用于工作温度540℃以下的珠光体耐热钢焊接 34 CHH327 低氢型 直流 用于工作温度570℃以下的珠光体耐热钢焊接 35 CHH337 低氢型 直流 用于工作温度570℃以下的珠光体耐热钢焊接 36 CHH347 低氢型 直流 用于工作温度620℃以下的耐热钢焊接 37 CHH347A 低氢型 直流 用于工作温度620℃以下的耐热钢焊接 38 CHH407 低氢型 直流 用于Cr2.25Mo珠光体耐热钢焊接 39 CHH417 低氢型 直流 用于620℃以下的（Ⅱ11）钢焊接 40 CHL107 低氢型 直流 用于-100℃低温用钢的焊接,如3.5Ni钢 41 CHL707r 低氢型 直流 用于-70℃低温用钢的焊接,如2.5Ni钢 42 CHL907 低氢型 直流 用于-90℃低温用钢的焊接,如3.5Ni钢 注：根据BG/T5118-1995低合金钢焊条规定： ⒈1.Exxxx?G型焊条其熔敷金属化学成份只要1个元素符合表中规定即可。 ⒉2.Exxxx?G型焊条其夏比V型缺口冲击吸收功不作规定，可根据双方协议要求而定。 低合金钢焊条使用说明 根据我国以往焊条分类习惯，焊条国家标准GB/T5118?1995《低合金钢焊条》包含以下三类： ⒈50公斤级（除熔敷金属Mn?Si系）以上的结构钢焊条； ⒉钼和铬钼珠光耐热钢焊条； ⒊低温钢焊条。 低合金钢焊条的选用，通常是根据钢材的化学成份、力学性能、抗裂性能等要求。同时还要从焊接结构形状、工作条件，受力情况和焊接设备等方面，进行综合考虑。必要时，需进行焊接性能试验来确定焊条和采取必要的工艺措施。 ⒈低合金结构钢焊条的使用 一般依钢材的强度等级来选用相应的焊条，同时还需要根据钢材焊接性，母材成分的过渡，焊接结构尺寸、形状、坡口和受力情况等因素，进行综合考虑，在焊缝冷却速度较大，使强度增高，焊缝接头容易产生裂缝的不利情况下，往往可选用比母材强度低一些的焊条，如遇厚板多层焊或焊后进行正火处理等情况，则需防止焊缝强度过低的现象。对要求塑性好、冲击韧性高、低温性能好、抗裂性能强者，选用碱性后高韧性的焊条，对中碳钢或铸钢的焊接一般可选用超低氢型，高韧性的焊条或辅以预热等工艺措施。 ⒉钼和铬耐热钢焊条的使用 珠光体耐热钢中常用的合金元素有铬、钼、钒、铌等以适应不同的工作要求。由于钢中碳和合金元素的共同作用，使其在焊接时极易形成淬硬组织，焊接性能较差，应此，珠光体耐热钢一般焊前进行预热，焊后进行回火处理。 在异种钢焊接时，一般选用与中间成分相适应的焊接材料，并应根据其中焊接性差的材料，选用合适的预热温度和焊后热处理条件。 在单独使用或用于厚壁管焊接时，应选用低氢耐热钢焊条。 ⒊低温钢焊条的使用 根据低温液化气体生产工艺流程的特点，低稳钢按不同的使用温度（?40℃、?70℃、?90℃、?100℃、?196℃、?253℃）分级使用，并选取相应的焊接材料。 WeldingRodsforLowAlloySteel低合金钢焊条 ItemCodeTypeofCoveringAWSA5.5WeldingPositionTypeofCurrentStandard&TypicalChemicalCompositionofDepositedMetal(%)Standard&TypicalMechanicalPropertiesofDepositedMetalApplications CMnSiSPCrNiMoVCuYieldPoint ReL(MPa)TensileStrength Rm(MPa)ElongationA(%)AkvValue(J) CHE505Highcellulose potassiumAWSA5.1 E7011-GVD,F, OH,HACorDC? 0.097≥1.00 0.68≥0.80 0.20≤0.03 0.011≤0.03 0.019≥0.30 0.018≥0.50 0.005≥0.20 0.50≥0.10 0.011≥0.20 0.20≥390 425≥490 530≥22 30__ -30℃70Suitableforverticaldownweldingstructuresmadeofcarbonsteelsandlowalloysteels,e.g.pipes. CHE505GHighcellulose sodiumE7010-GVD,F,OH,HDC+? 0.098≥1.00 0.44≥0.80 0.21≤0.03 0.010≤0.03 0.013≥0.30 0.018≥0.50 0.004≥0.20 0.49≥0.10 0.010≥0.20 0.21≥390 420≥490 535≥22 28__ -30℃81Itissuitableforrootpasses,hotpasses,fillerandcoverpassesaswellasforcappingwelding. CHE505GXHighcellulose sodiumE7010-P1VD,F,OH,HDC+≤0.20 0.011≤1.20 0.57≤0.60 0.31≤0.03 0.009≤0.03 0.013≤0.030 0.017≤1.00 0.10≤0.50 0.432≤0.10 0.010?≥415 470≥490 540≥22 22-30℃≥27 50Itissuitableforverticaldownweldingandbackingweldingforrootpasses,hotpasses,fillerandcoverpassesaswellasforcappingofhighpresspipelinesandsimilarstructures. CHE505MoHighcellulose sodiumE7010-A1VD,F,OH,HDC+≤0.12 0.074≤0.60 0.33≤0.40 0.11≤0.03 0.010≤0.03 0.009??0.40-0.65 0.48??≥390 470≥490 580≥22 24__ -20℃70Itissuitableforrootpasses,hotpasses,fillerandcoverpassesweldingaswellasforcappingwelding. CHE506NiLHLowhydrogen potassiumE7016-GF,V, OH,HAC≥70V orDC+? 0.070≥1.00 1.12≥0.80 0.54≤0.03 0.007≤0.03 0.018≥0.30 0.014≥0.50 0.54≥0.20 0.004≥0.10 0.012≥0.20 0.22≥390 450≥490 550≥22 30__ -30℃158Weldingimportantmildsteelandlowalloysteelstructures,suchasoffshoredrillingplatforms,bridges,highpressurevessels,ships,etc. CHE507FeNiLowhydrogen sodiumE7015-GF,V, OH,HDC+? 0.067≥1.00 1.20≥0.80 0.45≤0.03 0.011≤0.03 0.015≥0.30 0.010≥0.50 1.74≥0.20 0.005≥0.10 0.011≥0.20 0.22≥390 450≥490 550≥22 27__ -40℃100Forweldingpressvesselsfabricatedbymediumcarbonlowtemperaturesteels.Theweldmetalshowsasatisfactorylowtemperatureimpactvalue. CHE507GXLowhydrogen sodiumE7015-GF,V, OH,HDC+? 0.075≥1.00 1.37≥0.80 0.27≤0.03 0.004≤0.03 0.016≥0.30 0.009≥0.50 0.054≥0.20 0.011≥0.10 0.010≥0.20 0.22≥390 450≥490 560≥22 30__ -20℃122ForweldingpipelinesmadeofX60steelandstructuresfabricatedbylowS&Pandlowtemperaturetoughnesssteels. CHE507NiLHLowhydrogen sodiumE7015-GF,V, OH,HDC+? 0.077≥1.00 1.40≥0.80 0.50≤0.03 0.011≤0.03 0.018≥0.30 0.028≥0.50 0.51≥0.20 0.001≥0.10 0.010≥0.20 0.010≥390 450≥490 550≥22 30__ -20℃110Weldingimportantmildsteelandlowalloysteelstructures,suchasbridges,offshoredrillingplatformsandhighpressurevesselsetc. CHE507RHLowhydrogen sodiumE7015-GF,V, OH,HDC+? 0.080≥1.00 1.36≥0.80 0.47≤0.03 0.010≤0.03 0.010≥0.30 0.025≥0.50 0.50≥0.20 0.001≥0.10 0.012≥0.20 0.11≥390 430≥490 530≥22 32__ -40℃130Forweldingimportantprojectsofboilers,highpressvessels,bridges,skyscrapers,offshoredrillingplatformsaswellasnuclearstructures. CHS507SHLowhydrogen sodiumE7015-GVD,F,OH,HDC+? 0.082≥1.00 1.44≥0.80 0.47≤0.03 0.007≤0.03 0.008≥0.30 0.023≥0.50 0.013≥0.20 0.001≥0.10 0.010≥0.20 0.016≥390 380≥490 510≥22 32__ -30℃150Suitableforfabricatingspecialhighpressurevesselsthatmadebyalloysteelsof16MnR(HIC),suchashightemperatureseparators,circulatorsofliquidhydrogen,etc. CHE508NiLowhydrogen potassiumE7018-GF,V, OH,HAC≥70V orDC+? 0.067≥1.00 1.30≥0.80 0.50≤0.03 0.008≤0.03 0.012≥0.30 0.012≥0.50 1.20≥0.20 0.003≥0.10 0.010≥0.20 0.015≥390 470≥490 580≥22 28__ -40℃100Weldinglowalloysteelstructureswithcorrespondinggradeinstrength. CHE555GHighcellulosesodiumE8010-GVD,F,OH,HDC+? 0.13≥1.00 0.66≥0.80 0.27≤0.03 0.010≤0.03 0.014≤0.30 0.041≥0.50 0.50≥0.20 0.31≥0.10 0.012≥0.20 0.12≥460 470≥550 580≥19 25__ -30℃60SuitableforfabricatinghugediameterpipelinesmadebyX70orX75gradesteels. CHE555GXHighcellulosesodiumE8010-P1VD,F,OH,HDC+≤0.20 0.099≤1.20 0.60≤0.60 0.18≤0.030 0.012≤0.030 0.011≤0.30 0.013≤1.00 0.64≥0.20 0.43≤0.10 0.010?≥460 510≥550 600≥19 22-30℃≥27 60SuitableforfabricatinghugediameterpipelinesmadebyX70orX75gradesteels. CHE557HighcellulosesodiumE8015-GF,V, OH,HDC+? 0.075≥1.00 1.25≥0.80 0.50≤0.03 0.012≤0.03 0.018≥0.30 0.005≥0.50 0.003≥0.20 0.003≥0.10 0.010≥0.20 0.016≥460 480≥550 590≥19 24__ -40℃100Weldingmediumcarbonsteelstructuresandlowalloysteelstructures. CHE557GXHighcellulosesodiumE8015-GF,V, OH,HDC+? 0.077≥1.00 1.42≥0.80 0.29≤0.03 0.004≤0.03 0.016≥0.30 0.005≥0.50 0.004≥0.20 0.001≥0.10 0.009≥0.20 0.011≥460 490≥550 600≥19 26__ -40℃100ForweldingpipelinesmadeofX65steelandstructuresfabricatedby lowS&Pandlowtemperaturetoughnesssteels. CHE557NiLowhydrogen sodiumE8015-GF,V, OH,HDC+? 0.069≥1.00 1.25≥0.80 0.25≤0.03 0.013≤0.03 0.018≥0.30 0.007≥0.50 0.90≥0.20 0.002≥0.10 0.011≥0.20 0.010≥460 510≥550 610≥19 26__ -40℃110Usedforweldingstructuresmadebymediancarbonsteelaswellaslowalloysteels,suchaspressurevessels,bridgesetc. CHE557MoVHighcellulosesodiumE8015-GF,V, OH,HDC+? 0.075≥1.00 1.60≥0.80 0.22≤0.03 0.012≤0.03 0.014≥0.30 0.033≥0.50 0.005≥0.20 0.30≥0.10 0.037≥0.20 0.030≥460 540≥550 630≥19 24__ -40℃80Mainlyusedforfabricatinghullofhugehydraulicturbineatsiteaswellasweldinghighcrackingresistancestructures. CHE557RHLowhydrogen sodiumE8015-GF,V, OH,HDC+? 0.075≥1.00 1.25≥0.80 0.22≤0.03 0.008≤0.03 0.016≥0.30 0.023≥0.50 0.76≤0.20 0.21≥0.10 0.018≥0.20 0.020≥460 500≥550 590≥19 26__ -40℃120Forweldingstructuresofpressvessels,bridges,water-guidingpipesofhydro-electicpowerstationaswellassteelstructuresofoceanproject. CHE558IronpowderlowhydrogenpotassiumE8018-GF,V, OH,HAC≥70V orDC+? 0.080≥1.00 1.12≥0.80 0.30≤0.03 0.012≤0.03 0.030≥0.30 0.010≥0.50 0.09≥0.20 0.003≥0.10 0.015≥0.20 0.010≥460 455≥550 575≥19 27__ -40℃98Suitableforweldingstructuresfabricatedbymediumcarbonsteelsaswellaslowalloysteel,suchas15MnT,15MnV,etc. CHE558GXIronpowderlowhydrogenpotassiumE8018-P2F,V, OH,HAC≥70V orDC+≤0.12 0.0790.90-1.70 1.43≤0.80 0.34≤0.03 0.003≤0.03 0.016≤0.20 0.020≤1.00 0.023≤0.50 0.25≤0.05 0.011?≥460 520≥550 620≥19 21-30℃≥27 130ForweldingpipelinesmadeofX65,X70steelandstructuresfabricatedbylowS&Pandlowtemperaturetoughnesssteels. CHE558NiIronpowderlowhydrogenpotassiumE8018-C3VD,F,OH,HAC≥70V orDC+≤0.12 0.0690.40-1.25 1.05≤0.80 0.63≤0.03 0.010≤0.03 0.015≤0.15 0.0290.80-1.10 0.96≤0.35 0.22≤0.05 0.010?470-550 520≥550 630≥24 26-40℃≥27 65Suitableforweldingstructuresmadebysamegradelowalloysteels,suchas15MnTi,15MnV,etc. CHE606Lowhydrogen potassiumE9016-GF,V, OH,HAC≥70V orDC+? 0.072≥1.00 1.58≥0.80 0.47≤0.03 0.018≤0.03 0.009≥0.30 0.013≥0.50 0.08≥0.20 0.34≥0.10 0.016≥0.20 0.012≥530 590≥620 680≥17 24__ -30℃80Weldingmediumcarbonsteelandlowalloyhightensilesteelstructureswithcorrespondinggradeinstrength,ACcanbeusedincaseswherenoDCweldingsetisavailable. CHE607Lowhydrogen sodiumE9015-GF,V, OH,HDC+? 0.084≥1.00 1.55≥0.80 0.50≤0.03 0.021≤0.03 0.011≥0.30 0.031≥0.50 0.008≥0.20 0.34≥0.10 0.010≥0.20 0.010≥530 580≥620 680≥17 25__ -30℃90Weldingmediumcarbonsteelandlowalloysteelstructureswithcorrespondinggradestrength. CHE607CGLowhydrogen sodiumE9015-GF,V, OH,HDC+? 0.072≥1.00 1.51≥0.80 0.35≤0.03 0.005≤0.03 0.012≥0.30 0.031≥0.50 1.00≥0.20 0.24≥0.10 0.010≥0.20 0.010≥530 550≥620 650≥17 25__ -30℃90Itissuitableforwelding590MPagradeflawlesssteelsespeciallywidelybeusedonthehugepetroleumstoragetanks. CHE607GXLowhydrogen sodiumE9015-GF,V, OH,HDC+? 0.079≥1.00 1.38≥0.80 0.30≤0.03 0.004≤0.03 0.014≥0.30 0.010≥0.50 0.08≥0.20 0.010≥0.10 0.013≥0.20 0.012≥530 530≥620 630≥17 24__ -20℃160ForweldingpipelinesmadeofX70steelandstructuresfabricatedbylowS&Pandlowtemperaturetoughnesssteels. CHE607NiLowhydrogen sodiumE9015-GF,V, OH,HDC+? 0.080≥1.00 1.50≥0.80 0.50≤0.03 0.011≤0.03 0.019≥0.30 0.026≥0.50 0.90≥0.20 0.35≥0.10 0.010≥0.20 0.010≥530 580≥620 680≥17 24__ -30℃90Forweldingimportantstructuressuchashullofnuclearreactor,steamgeneratorofboilers,chemicalcontainers,etc. CHE607RHLowhydrogen sodiumE9015-GF,V, OH,HDC+? 0.072≥1.00 1.51≥0.80 0.35≤0.03 0.008≤0.03 0.014≥0.30 0.008≥0.50 1.00≥0.20 0.24≥0.10 0.009≥0.20 0.010≥530 550≥620 650≥17 25__ -50℃80Forweldingstructuresofpressvessels,bridges,water-guidingpipesofhydro-electicpowerstationaswellassteelstructuresofoceanproject,especiallyingoodmatchwithsteelCF60&CF62. CHE608IronpowderlowhydrogenpotassiumE9018-GF,V, OH,HAC≥70V orDC+? 0.070≥1.00 1.45≥0.80 0.44≤0.03 0.013≤0.03 0.015≥0.30 0.010≥0.50 0.025≥0.20 0.33≥0.10 0.010≥0.20 0.013≥530 550≥620 640≥17 24__ -30℃90Suitableforweldingstructuresfabricatedbymediumcarbonsteelsaswellaslowalloysteels,suchas15MnVN,etc. CHE62CFLHLowhydrogen sodiumE9015-GF,V, OH,HDC+? 0.056≥1.00 1.46≥0.80 0.30≤0.03 0.010≤0.03 0.020≥0.30 0.030≥0.50 0.98≥0.20 0.35≥0.10 0.010≥0.20 0.010≥530 560≥620 655≥17 25__ -20℃119MainlyforFabricatingofimportantstructuresmadebymediumthick62CFsteelplate CHE657GXLowhydrogen sodiumE9015-GF,V, OH,HDC+? 0.062≥1.00 1.34≥0.80 0.30≤0.03 0.005≤0.03 0.015≥0.30 0.025≥0.50 1.80≥0.20 0.16≥0.10 0.011Cu≤0.30 0.08≥530 535≥620 650≥17 30__ -20℃150SuitableforfabricatinghugediameterpipelinesmadebyX80gradesteels,whichrequiredextralowS&Paswellaslowtemperaturetoughness. CHE658Ironpowder,lowhydrogenE9018MF,V, OH,HDC+≤0.10 0.0800.60-1.25 1.01≤0.80 0.50≤0.030 0.011≤0.030 0.017≤0.15 0.0251.40-1.80 1.62≤0.35 0.16≤0.05 0.025?540-620 590≥620 680≥24 27-50℃≥27 75Suitableforweldingimportantstructuressuchashullofnuclearreactor,steamgeneratorofboilers,chemicalcontainers,etc.especiallyformilitaryengineeringstructures. CHE707Lowhydrogen sodiumE10015-D2F,V, OH,HDC+≤0.15 0.1021.65-2.00 1.91≤0.60 0.42≤0.03 0.008≤0.03 0.019?≤0.90 0.0090.25-0.45 0.37??≥600 670≥690 760≥16 23-50℃≥27 69Weldingmediumcarbonsteelandlowalloysteelstructureswithcorrespondinggradestrength. CHE707NiLowhydrogen sodiumE10015-GF,V, OH,HDC+? 0.067≥1.00 1.45≥0.80 0.34≤0.03 0.010≤0.03 0.020≥0.30 0.50≥0.50 1.70≥0.20 0.30≥0.10 0.010≥0.20 0.010≥600 680≥690 770≥15 20__ -40℃90Weldinglowalloysteelstructureswithcorrespondinggradeofstrength. CHE707RHExtralow hydrogensodiumE10015-GF,V, OH,HDC+? 0.072≥1.00 1.50≥0.80 0.40≤0.03 0.010≤0.03 0.012≥0.30 0.005≥0.50 1.50≥0.20 0.40≥0.10 0.012≥0.20 0.010≥600 650≥690 740≥15 22__ -50℃70Suitableforweldingimportantstructuresfabricatedbylowalloysteel,e.g.highpressurevessels,bridgesaswellasoceanprojectsetc. CHE708Ironpowder,lowhydrogenE10018MF,V, OH,HDC+≤0.10 0.0650.75-1.70 1.04≤0.60 0.34≤0.030 0.010≤0.030 0.020≤0.35 0.0521.40-2.10 1.710.25-0.50 0.33≤0.05 0.025?≥690 710610-690 670≥20 24-50℃≥27 80Weldinglowalloysteelstructureswithcorrespondinggradeofstrength,e.g.militaryengineeringprojects. CHE757Lowhydrogen sodiumE11015-GF,V, OH,HDC+? 0.070≥1.00 1.85≥0.80 0.40≤0.03 0.012≤0.03 0.016≥0.30 0.006≥0.50 0.010≥0.20 0.50≥0.10 0.07≥0.20 0.015≥670 680≥760 780≥15 18__ 20℃100Forweldingimportantstructuresmadeby740MPagradeormorelowalloysteels. CHE757NiLowhydrogen sodiumE11015-GF,V, OH,HDC+? 0.060≥1.20 1.60≥0.80 0.20≤0.03 0.014≤0.03 0.014≥0.30 0.025≥0.50 2.35≥0.20 0.52≥0.10 0.010≥0.20 0.010≥670 720≥760 810≥15 21__ -40℃60Forweldingimportantstructuresfabricatedbysamegradelowalloysteels,e.g.WEL-TEN80steel. CHE758IronpowderlowhydrogenpotassiumE11018-GF,V, OH,HAC≥70V orDC+? 0.070≥1.00 1.45≥0.80 0.32≤0.03 0.011≤0.03 0.020≥0.30 0.54≥0.50 1.76≥0.20 0.33≥0.10 0.010≥0.20 0.010≥670 690≥760 790≥15 20__ -50℃50Forweldingimportantstructuresmadeby740MPagradeormorelowalloysteelsas15MnMoVN,WEL-TEN80,etc. CHE758NiIronpowder,lowhydrogenE11018MF,V, OH,HDC+≤0.10 0.0701.30-1.80 1.64≤0.60 0.32≤0.030 0.010≤0.030 0.019≤0.40 0.341.25-2.50 1.760.25-0.50 0.32≤0.05 0.010?680-760 700≥760 775≥20 23-50℃≥27 50Forweldingimportantstructuresmadeby740MPagradeormorelowalloysteels,especiallyformilitaryengineeringprojects. CHE80CLowhydrogen sodiumE11015-GF,V, OH,HDC+? 0.070≥1.00 1.70≥0.80 0.40≤0.03 0.010≤0.03 0.020≥0.30 0.020≥0.50 2.22≥0.20 0.08≥0.10 0.030≥0.20 0.030≥670 720≥760 850≥15 18__ -40℃70Forweldingimportantstructuresmadeby780MPagradeormorelowalloysteelsasWEL-TEN80C,ASTMA514andA517,etc. CHE807Lowhydrogen sodiumE11015-GF,V, OH,HDC+? 0.060≥1.00 1.50≥0.80 0.33≤0.03 0.013≤0.03 0.014≥0.30 0.005≥0.50 1.60≥0.20 0.50≥0.10 0.020≥0.20 0.013≥670 760≥760 860≥15 19__ 20℃60Suitableforweldingstructuresmadebysamegradelowalloysteels,suchas14MnMoNbB,etc. CHE807RHExtralow hydrogensodiumE11015-GF,V, OH,HDC+? 0.0501.30-1.80 1.50≥0.80 0.32≤0.03 0.010≤0.03 0.016≥0.30 0.38≥0.50 1.60≥0.20 0.48≥0.10 0.007≥0.20 0.010≥670 760≥760 860≥15 19__ -40℃70Forweldingimportantstructuresofpressvessels,bridges,water-guidingpipesofhydro-electicpowerstationaswellassteelstructuresofoceanproject,especiallyingoodmatchwithsteelCF80. CHE857Lowhydrogen sodiumE12015-GF,V, OH,HDC+? 0.065≥1.00 1.80≥0.80 0.35≤0.03 0.009≤0.03 0.016≥0.30 0.004≥0.50 0.011≥0.20 0.70≥0.10 0.009≥0.20 0.007≥740 800≥830 900≥14 19__ 20℃80Forweldingimportantstructuresmadeby830MPagradeormorelowalloysteels. CHE857CrLowhydrogen sodiumE12015-GF,V, OH,HDC+? 0.068≥1.00 1.85≥0.80 0.37≤0.03 0.009≤0.03 0.015≥0.30 1.00≥0.50 0.011≥0.20 0.680≥0.10 0.063≥0.20 0.063≥740 810≥830 920≥14 19__ 20℃80Forweldinglowalloypressurevesselsandotherstructuresmadeby830MPagradeormorelowalloysteels. CHE857CrNiLowhydrogen sodiumE12015-GF,V, OH,HDC+? 0.058≥1.00 1.40≥0.80 0.29≤0.03 0.014≤0.03 0.018≥0.30 1.6≥0.50 2.50≥0.20 0.56≥0.10 0.010≥0.20 0.010≥740 850≥830 960≥14 15__ -50℃60Forweldingimportantstructuresmadeby830MPagradeormorelowalloysteels,suchasWEL-TEN80andorWEL-TEN80C. CHE858IronpowderlowhydrogenpotassiumE12018-GF,V, OH,HAC≥70V orDC+? 0.060≥1.00 2.10≥0.80 0.35≤0.03 0.010≤0.03 0.018≥0.30 0.75≥0.50 2.20≥0.20 0.52≥0.10 0.010≥0.20 0.010≥740 800≥830 960≥14 19__ -50℃45Forweldingimportantstructuresmadeby830MPagradeormorelowalloysteels,suchasWEL-TEN80andorWEL-TEN80C. CHE907CrLowhydrogen sodiumE12015-GF,V, OH,HDC+? 0.083≥1.00 2.04≥0.80 0.35≤0.03 0.004≤0.03 0.012≥0.30 1.09≥0.50 0.010≥0.20 0.71≥0.10 0.008≥0.20 0.012≥740 840≥830 1,005≥14 18?Itissuitableforvesselsandstructuresfabricatedby880MPagradelowalloysteelsormore.