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金屬管材的力学性能检测GB/T 246-1997

作者：來源：发布日期： 2020.09.28

信息摘要：

金屬管材的力学性能检测GB/T 246-1997

管材产品生产需经过锻造、无缝加工、焊接等制造工艺过程。几乎所有类型的金屬材料都可用于管材生产，从铸铁到超级耐热合金钢。

詳細信息

管材产品生产需经过锻造、无缝加工、焊接等制造工艺过程。几乎所有类型的金屬材料都可用于管材生产，从铸铁到超级耐热合金钢。

壓縮

壓縮试验用于测试管材的塑性和结构刚度。确定埋设管材的承受力对选择合适的产品非常重要。试验样品部分或全部压扁。常见的标准是检查管材表面是否断裂或有裂缝。

解決方案

金屬管压扁试验方法 GB/T 246-1997，根据标准配置相关尺寸的管材压扁夹具和专业的软件控制系统

拉伸

管材的尺寸和形狀會給拉伸試驗帶來困難。如果沒有合適的試驗設備，操作人員可能會在夾緊時無意壓扁樣品兩端。此外，由于完整管材樣品通常大于實心圓形樣品，因此需要開口較大的夾具。有些管材樣品由于過大，操作人員必須從管壁切割部分管材。這些管壁樣品可以制成扁平鋼帶試樣或機制成圓形試樣。

解決方案

为防止试验机的夹而压扁空心管材试样，通常在管材两端插入金屬塞操作人员可选择带有V形槽夹持的楔形夹具。

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