v型坡口对接焊缝面积及焊材消耗

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1、GJB2501-2012共5页第5页表1管壁厚度smm坡口角度a0焊缝最大余高emm焊缝截面积㎜2容覆金属重量㎏/m材料消耗定额㎏/m焊丝焊条3＜δ≤4　　500　3.2320.260.27700370.300.120.444＜δ≤55003.2410.310.32700470.360.120.555＜δ≤65004.0540.420.44700660.510.120.826＜δ≤75004.0650.500.52700800.620.121.037＜δ≤85004.0760.600.63700920.

2、710.121.198＜δ≤95004.0890.700.737001120.870.121.499＜δ≤105004.01020.790.837001301.010.121.7510＜δ≤115004.01170.920.967001501.160.122.0311＜δ≤127004.01701.320.122.3212＜δ≤137004.02051.590.122.8213＜δ≤147004.82291.780.123.1714＜δ≤167004.82822.180.123.9116＜δ≤18700

3、4.83412.610.124.7218＜δ≤207004.84053.100.125.6220＜δ≤227004.84753.640.126.6022＜δ≤247004.85504.210.127.6724＜δ≤267004.86524.990.129.1126＜δ≤287006.47425.670.1210.3728＜δ≤307006.48346.380.1211.68注：①表中焊丝为全手工氩弧焊定额；②表中焊条为全手工定额③当采用手工氩弧焊打底，手工焊盖面时，表中焊条应乘0.9，氩弧打底焊丝：G丝

4、=0.12㎏/mGJB2501-2012共5页第5页表2管壁厚度δ坡口角度α焊接方法任意厚度全手工氬弧焊60±5°手工氬弧焊打底加手工电焊盖面70°手工电弧焊注工地焊接的管端坡口角度应在设计图样中注明。表3管壁厚度δmm焊缝截面积mm2熔敷金属重量㎏/m焊丝消耗定额㎏/m3～7160.1250.131表4管壁厚度δ㎜焊缝截面积㎜2熔敷金属重量㎏/m焊丝消耗定额㎏/m311.160.0820.0863.514.160.110.12417.350.140.154.521.320.160.18525.480.

5、200.215.530.020.230.24636.950.280.296.540.260.310.32745.960.350.387.552.040.410.43858.510.450.478.565.360.510.53972.60.570.611088.230.690.72说明：1.A坡口适用于全手工氩弧焊、全手工电弧焊和手工氩弧焊打底加手工电弧焊盖面；2.B型坡口适用于热丝TIG焊，冷丝TIG焊，TIG/MIG焊；3.C型坡口适用于管径小与76，管壁厚度小于7的自动钨极氩弧焊管子对接。