焊缝坡口的基本形式和尺寸标准

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页脚内容一、埋弧焊焊缝坡口的基本形式和尺寸:序号工件厚度名称坡口形式和尺寸备注1δ=10Y形坡口70°410背缝清根2δ=12双Y形坡口380°80°123δ=14双Y形坡口1475°375°4δ=16~25双Y形坡口70°δ70°35δ=26带钝边双U形坡口20°10°10°R54R512.32612.3页脚内容6δ=28带钝边双U形坡口12.62812.6R54R510°20°10°7δ=30带钝边双U形坡口301313R54R510°10°20°8δ=32带钝边双U形坡口20°10°10°R54R513.313.3329δ=34带钝边双U形坡口3413.713.7R54R510°10°20°页脚内容10δ=36带钝边双U形坡口20°R54R514143610°10°11δ=38带钝边双U形坡口10°10°3814.414.4R54R520°12δ=40带钝边双U形坡口20°R54R514.714.74010°10°13δ=44带钝边双U形坡口R510°10°4415.415.4R5420°14δ=50带钝边双U形坡口R5R520°416.516.55010°10°页脚内容15δ=12~16带长舌双面单边V形坡口40°40°44δ16δ=18~22带长舌双面单边V形坡口δ4435°35°17δ=24带长舌双面J形坡口30°11.730°R5324418δ=25带长舌双面J形坡口4253R530°30°11.9页脚内容19δ=28带长舌双面J形坡口12.830°30°R5328420δ=30带长舌双面J形坡口4303R530°30°13.4二、手工电弧焊焊缝坡口的基本形式和尺寸:序号工件厚度名称坡口形式和尺寸备注1δ=6Y形坡口80°622δ=8Y形坡口2870°页脚内容3δ=10Y形坡口60°1024δ=12Y形坡口50°1225δ=14双Y形坡口21460°680°6δ=16双Y形坡口280°760°167δ=18双Y形坡口21850°875°页脚内容8δ=20双Y形坡口2850°2075°9δ=22双Y形坡口229270°10δ=24双Y形坡口60°21050°2411δ=25双Y形坡口2511250°12δ=26双Y形坡口50°21150°26页脚内容13δ=28双Y形坡口2850°12250°14δ=30UY形坡口50°21230R510°10°14.715δ=32UY形坡口R514.710°10°3214250°16δ=34UY形坡口R550°2153410°10°15.117δ=35UY形坡口R515.110°10°3516250°页脚内容18δ=36UY形坡口R550°2173610°15.119δ=38UY形坡口R515.410°10°3818250°20δ=40UY形坡口R550°2204010°10°15.421δ=12带长舌双单边V形坡口122250°50°22δ=14~20带长舌双面单边V形坡口45°2245°δ页脚内容23δ=22带长舌双面单边V形坡口2240°2240°24δ=24带长舌双面J形坡口R511.2242230°30°25δ=25带长舌双面J形坡口2522R530°30°11.526δ=26带长舌双面J形坡口11.830°30°R5222627δ=28带长舌双面J形坡口2822R530°30°12.4页脚内容28δ=30带长舌双面J形坡口1330°30°R5223029δ=12带长舌单面J形坡口10.2R5231220°30δ=14带长舌单面J形坡口20°1432R510.931δ=16带长舌单面J形坡口1632R511.620°32δ=18带长舌单面J形坡口20°12.3R52318页脚内容33δ=20带长舌单面J形坡口2032R511.715°34δ=22带长舌单面J形坡口15°12.2R5232235δ=24带长舌单面J形坡口2432R512.715°36δ=25带长舌单面J形坡口15°13R5232537δ=26带长舌单面J形坡口2632R513.315°页脚内容38δ=28带长舌单面J形坡口15°13.8R5232839δ=30带长舌单面J形坡口3032R514.315°三、CO2焊焊缝坡口的基本形式和尺寸:序号工件厚度名称坡口形式和尺寸备注1δ=6双Y形坡口2670°2δ=8双Y形坡口60°823δ=10双Y形坡口21050°页脚内容4δ=12双Y形坡口50°1225δ=14双Y形坡口80°50°21466δ=16双Y形坡口716250°70°7δ=18双Y形坡口60°50°21889δ=20双Y形坡口920260°50°页脚内容10δ=22双Y形坡口2950°2260°11δ=24双Y形坡口2450°10250°12δ=25双Y形坡口50°21150°2513δ=26双Y形坡口2650°11250°14δ=28双Y形坡口50°21250°28页脚内容15δ=30UY形坡口R514.710°10°3012250°16δ=32UY形坡口R550°2143210°10°14.717δ=34UY形坡口R515.110°10°3415250°18δ=35UY形坡口R550°2163510°10°15.1页脚内容19δ=36UY形坡口R515.110°10°3617250°20δ=38UY形坡口R550°2183810°10°15.421δ=40UY形坡口R515.410°10°4020250°22δ=12~18带长舌双面单边V形坡口45°δ2245°23δ=20~22带长舌双面单边V形坡口40°2240°δ页脚内容24δ=24~30带长舌双面J形坡口11.230°30°R522δ25δ=8~10带钝边单边V形坡口2δ45°26δ=12~16带钝边单边V形坡口240°δ27δ=18~20带钝边单边V形坡口δ35°228δ=22带长舌单面J形坡口2232R512.215°页脚内容29δ=24带长舌单面J形坡口R515°12.7232430δ=25带长舌单面J形坡口R525321315°31δ=26带长舌单面J形坡口15°13.3R5232632δ=28带长舌单面J形坡口2832R513.815°33δ=30带长舌单面J形坡口15°14.3R52330页脚内容说明:1、坡口形式和尺寸的编制依据了国家标准GB986、GB986和我厂的焊接生产实践。2、焊缝类别和质量要求根据产品的设计和规范规定执行。3、请结合产品的结构特征和质量要求仅供参考使用,并请反馈意见。

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