焊接钢管规格1⼀2✀✀、1|1⼀2✀✀分别是什么意思

2024-11-27 15:15:06
推荐回答(3个)
回答1:

1/2''是1/2分,也就是半寸,15MM,1I1/2是一寸半,相当于32MM,1 寸以下是量内径的,其余是的外径。

强度一般比直缝焊管高,能用较窄的坯料生产管径较大的焊管,还可以用同样宽度的坯料生产管径不同的焊管。但是与相同长度的直缝管相比,焊缝长度增加30~100%,而且生产速度较低。因此,较小口径的焊管大都采用直缝焊,大口径焊管则大多采用螺旋焊。

扩展资料:

一般焊管用来输送低压流体。用Q195A、Q215A、Q235A钢制造。也祥乎可采用易于焊接的其它软钢制造。钢管要进行水压、弯曲、压扁等实验,对表面质量有一定要求,通常交货长度为4-10m,常要求定尺(或倍尺)交货。

焊管的规格用公称口径表示(毫米或英寸)公称口径与实际不同,焊管按规谨唯悉定壁厚有普通钢管和加厚钢管两种,钢管按管端形式又分带螺纹和不带螺纹两种。

螺纹钢的弯曲度及钢筋几何形状的要求在有关标准中作了规定。如我国标准规定,直条钢筋的弯曲度不山颂大于6mm/m,总弯曲度不大于钢筋总长度的0.6%。

参考资料来源:百度百科--焊接钢管

参考资料来源:百度百科--钢管

回答2:

1/2''是1/陆野乱2分,也就是半寸,15MM,1I1/2是一寸半,相当于32MM,1 寸以脊局下早档是量内径的,其余是的外径

回答3:

英制水培帆管..。1/2''就坦中档是半英吋,俗称“4分管",,1|1/让乱2''俗称"1吋半"管

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