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Catalog：
Industry：
Application industryProduct ApplicationGradeDiameterWelding modeHardnessChemical Composition
Cast iron pipe production industryRepairing for casting iron pipe mouldJLD70-Mφ3.2、4.0Submerged arc surfacing weldingHRC27±5C、Cr、Si、Mn、Ni、Mo
Coal machine support large heavy industryHard facing welding for Plunger、 Hydro-cylinderJLD213(Solid、 FCAW)φ3.2、4.0Submerged arc surfacing weldingHRC42±3C、Cr、Si、Mn
JLD313(Solid、 FCAW)φ3.2、4.0Submerged arc surfacing weldingHRC48±3C、Cr、Si、Mn
Seamless steel pipe manufacturing enterprisesMandrel RepairingJLD408φ3.2、4.0Submerged arc surfacing weldingHRC40±2C、Cr、Si、 Mn、Ni、Mo、 V
JLD407φ3.2、4.0Submerged arc surfacing weldingHRC34±2C、Cr、Si、Mn、Ni、Mo
Cement industry steel industryOpen arc hard facing welding for wear resistant linerJLD411-Cr28φ2.8Open arc surfacing weldingHRC55±2C、Cr、B
JLD411-Cr20φ2.8Open arc surfacing weldingHRC52±2C、Cr、B
Cement industry & Thermal power generationWelding for Transition layer of Grinding rollerJLD307φ2.8Open arc surfacing weldingHRC38±2C、Cr、Si、Mn
Hard facing welding for Grinding rollerJLD1996-Oφ2.8Open arc surfacing weldingHRC32±3C、Cr、Si、Mn、Ni
JLD411-Moφ2.8Open arc surfacing weldingHRC52±3C、Cr、Si、Mn、Mo、B
JLDCN-Oφ2.8Open arc surfacing weldingHRC60±2C、Cr、Si、 Mn、Mo、B、 Nb
Iron MillRepairing for single toothed roller、grid platesJLD411-Moφ2.8Open arc surfacing weldingHRC52±3C、Cr、Si、Mn、Mo
JLD65Nbφ2.8Open arc surfacing weldingHRC60±2C、Cr、Si、Mn、Mo、Nb
Cement pump truck production enterprisesHard facing welding for pump pipesJLD411-Bφ2.8Open arc surfacing weldingHRC52±2C、Cr、B
Iron and steel industryRoll surfacing welding transition layerJLD118φ3.2、4.0Submerged arc surfacing weldingHRC40±2C、Cr、Si、
Ni、Mn
Hard facing repair work of Hot rolling support roll and Hot rolling breaking rollJLD117φ3.2、4.0Submerged arc surfacing weldingHRC50±2C、Cr、Si、
Mo、Ni、Mn
Used for welding of the Roll surfacing welding transition layerJLD-430φ3.2、4.0Submerged arc surfacing weldingHRC30±2C、Cr、Si、Mn
Submerged arc hard facing welding for continuous casting rollsJLD213(Solid、 FCAW)φ3.2、4.0Submerged arc surfacing weldingHRC42±3C、Cr、Si、Mn
JLD313(Solid、 FCAW)φ3.2、4.0Submerged arc surfacing weldingHRC48±3C、Cr、Si、Mn
JLD213NMφ3.2、4.0Submerged arc surfacing weldingHRC45±3C、Cr、Si、
Mn、Ni、Mo
JLD313NMφ3.2、4.0Submerged arc surfacing weldingHRC50±3C、Cr、Si、
Mn、Ni、Mo
JLD-414Nφ3.2、4.0Submerged arc surfacing weldingHRC45±3C、Cr、Si、
Mn、Ni、Mo
Open arc hard facing welding for continuous casting rollsJLD-414N-Oφ2.4Open arc surfacing weldingHRC45±3C、Cr、Si、
Mn、Ni、Mo
Steel and Machinery industryRepairing for Fan bladesJLD411-Qφ1.2、1.6Gas protected surfacing weldingHRC50±3C、Cr、Si、Mn
JLD411-MoQφ1.2、1.6Gas protected surfacing weldingHRC52±3C、Cr、Si、
Mn、Mo
Forging industryHard facing welding for Hot-forging mouldJLD-735φ1.2、 1.6、2.4Gas protected surfacing weldingHRC35±3C、Cr、Mn、
Si、Ni、Mo
JLD-745φ1.2、 1.6、2.4Gas protected surfacing weldingHRC48±3C、Cr、Mn、
Si、Ni、Mo
JLD-755φ1.2、 1.6、2.4Gas protected surfacing weldingHRC52±3C、Cr、Mn、 Si、Ni、Mo、 W
Railway construction & subway equipment maintenanceHard facing welding for tunnel boring machine (TBM)JLD5739-Qφ1.2、1.6Gas protected surfacing weldingHRC60±3C、Cr、Si、Mn
Wear-resistant valve manufacturerHard facing welding for ValvesJLD507-Qφ1.2、1.6Gas protected surfacing weldingHRC40±2C、Cr、Si、Mn
JLD507Mo-Qφ1.2、1.6Gas protected surfacing weldingHRC42±2C、Cr、Si、
Mn、Mo、W
Oil drilling
industry		Oil drilling accessories manufacturing and repairingJLD100φ1.2、1.6Gas protected surfacing weldingHRC55±3C、Cr、Si、Mn
JLD150φ1.2、1.6Gas protected surfacing weldingHRC62±4C、Cr、Si、 Mn、Ni、B、 W、Nb
JLD350φ1.2、1.6Gas protected surfacing weldingHRC63±3C、Cr、Si、
Mn、Nb、Ti
Coal mining machinery& Mining machineryHard facing welding for Mining MachineJLD212-Qφ1.2、1.6Gas protected surfacing weldingHRC50±2C、Cr、Si、
Mn、Mo
JLD258MU-Qφ1.2、1.6Gas protected surfacing weldingHRC50±2C、Cr、Si、
Mn、Mo、V
JLD278-Qφ1.2、1.6Gas protected surfacing weldingHRC60±2C、Cr、Si、
Mn、Mo

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