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    HEAT RESISTING STEEL FLUX-CORED WIRE
    Brand Size(mm) Equivalent Specification Welding Position Type Of Current/Gas Typical Chemical Composition Of Deposited Metal(wt%) Typical Mechanical Properties Of Deposited Metal Application
    C Mn Si P S Cr Mo V Ni Others Y.P.(Mpa) T.S.(Mpa) E.L.(%) I.V.(J)
    WFR-81B2 1.2/1.6 GB/T E551T1-B2C
    AWS E81T1-B2C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.057 0.85 0.30 0.018 0.008 1.23 0.51 - - - 560 630 23 - Welding of 1%Cr-0.5%Mo low alloy steel working below 520℃. 
    WFR-81B2V 1.2/1.6 GB/T E551T1-GC
    AWS E81T1-GC    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.060 0.85 0.26 0.023 0.007 1.29 0.50 0.22 - - 560 640 23 - Welding of high temperature and high pressure pipelines, high temperature synthetic chemical machinery and petroleum refining equipment working below 540℃.
    WFR-91B3 1.2/1.6 GB/T E621T1-B3C
    AWS E91T1-B3C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.053 0.71 0.30 0.018 0.008 2.17 1.05 - - - 640 730 19 - Welding of heat-resistant steel working below 550℃, such as high-pressure pipelines, chemical machinery, petroleum cracking equipment and other welding applications. 
    WFR-81B6 1.2/1.6 GB/T E551T-B6C
    AWS E81T1-B6C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.056 0.75 0.26 0.020 0.008 4.92 0.54 - 0.03 Cu:0.02 500 595 21 - Welding of steel (such as Cr5Mo) for high temperature and high pressure pipeline, synthetic chemical machinery and petroleum cracking equipment below 550℃.
    WFR-81B8 1.2 GB/T E551T-B8C
    AWS E81T1-B8C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.070 0.49 0.28 0.017 0.006 10.12 0.97 - 0.01 Cu:0.01 502 595 21 - Welding of Cr9Mo heat-resistant steel, steam pipe and superheater pipe below 650℃. 
    WFR-91B9 1.2 GB/T E621T1-B9C
    AWS E91T1-B9C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.095 0.77 0.25 0.013 0.006 9.08 0.98 0.18 0.50 Cu:0.02
    Al:0.01
    Nb:0.06
    N:0.04
    Mn+Ni:1.27    		 625 715 18 - Cr9MoNiV (TP91orF9) heat-resistant steel, steam pipes, superheater pipes and other welding applications below 650℃.
    WFR-91B9(Basic) 1.2 GB/T E621T1-B9C
    AWS E91T1-B9C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.081 0.49 0.18 0.015 0.009 9.53 0.99 0.21 0.56 Cu:0.01
    Al:0.04    		 620 715 18 - Basic Cr9MoNiV (TP91 or F9) heat-resistant steel, steam pipes, superheater pipes and other welding applications below 650℃.
    HEAT RESISTING STEEL FLUX-CORED WIRE
    Brand Size(mm) Equivalent Specification Welding Position Type Of Current/Gas Typical Chemical Composition Of Deposited Metal(wt%) Typical Mechanical Properties Of Deposited Metal Application
    C Mn Si P S Cr Mo V Ni Others Y.P.(Mpa) T.S.(Mpa) E.L.(%) I.V.(J)
    WFR-81B2 1.2/1.6 GB/T E551T1-B2C
    AWS E81T1-B2C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.057 0.85 0.30 0.018 0.008 1.23 0.51 - - - 560 630 23 - Welding of 1%Cr-0.5%Mo low alloy steel working below 520℃. 
    WFR-81B2V 1.2/1.6 GB/T E551T1-GC
    AWS E81T1-GC    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.060 0.85 0.26 0.023 0.007 1.29 0.50 0.22 - - 560 640 23 - Welding of high temperature and high pressure pipelines, high temperature synthetic chemical machinery and petroleum refining equipment working below 540℃.
    WFR-91B3 1.2/1.6 GB/T E621T1-B3C
    AWS E91T1-B3C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.053 0.71 0.30 0.018 0.008 2.17 1.05 - - - 640 730 19 - Welding of heat-resistant steel working below 550℃, such as high-pressure pipelines, chemical machinery, petroleum cracking equipment and other welding applications. 
    WFR-81B6 1.2/1.6 GB/T E551T-B6C
    AWS E81T1-B6C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.056 0.75 0.26 0.020 0.008 4.92 0.54 - 0.03 Cu:0.02 500 595 21 - Welding of steel (such as Cr5Mo) for high temperature and high pressure pipeline, synthetic chemical machinery and petroleum cracking equipment below 550℃.
    WFR-81B8 1.2 GB/T E551T-B8C
    AWS E81T1-B8C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.070 0.49 0.28 0.017 0.006 10.12 0.97 - 0.01 Cu:0.01 502 595 21 - Welding of Cr9Mo heat-resistant steel, steam pipe and superheater pipe below 650℃. 
    WFR-91B9 1.2 GB/T E621T1-B9C
    AWS E91T1-B9C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.095 0.77 0.25 0.013 0.006 9.08 0.98 0.18 0.50 Cu:0.02
    Al:0.01
    Nb:0.06
    N:0.04
    Mn+Ni:1.27    		 625 715 18 - Cr9MoNiV (TP91orF9) heat-resistant steel, steam pipes, superheater pipes and other welding applications below 650℃.
    WFR-91B9(Basic) 1.2 GB/T E621T1-B9C
    AWS E91T1-B9C    		 PA,PB,PC,PD,PE,PF DC+/CO2 0.081 0.49 0.18 0.015 0.009 9.53 0.99 0.21 0.56 Cu:0.01
    Al:0.04    		 620 715 18 - Basic Cr9MoNiV (TP91 or F9) heat-resistant steel, steam pipes, superheater pipes and other welding applications below 650℃.
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