无缝的机械管由碳和合金钢制成，用于涉及加工或热处理的结构或其他机械目的，在这种情况下，近距离公差，光滑的饰面或确定的物理特性是重要因素。
范围
1.1该规范涵盖了几列碳和合金钢无缝机械管。表1、2和3中列出的ANR列出的ANR。当使用焊接连接焊接机械管等级时，焊接程序应适用于炸药，组件的状况和预期服务。
1.2该规范涵盖了无缝热填充的弹性管和无缝冷合机械管，尺寸为且包括12 3/4英寸（322.8mm）的ROUND管外直径为12 3/4英寸（322.8mm），并根据需要根据需要壁厚度。
1.3试管应按照以下形状提供，如购买者指定：圆形，正方形，直角和特殊部分。
1.4提供可选性质的补充要求，并在需要时在订单中陈述。
1.5以英寸式单元表示的值应被视为标准。
应用：
尺寸（mm）：O.D。：20-180 W.T。：2-30L：MAX 12000
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||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
标准号码 |
年级 |
tupe |
标准号码 |
年级 |
tupe |
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狗万滚球官网合金钢管包含大量碳以外的大量元素，例如镍，铬，硅，锰，钨，钼，钼，钒，以及有限的其他常见元素，例如锰，硫，硫，硅和磷。
