铝和铝合金。 冷拔线材棒材和管材。第2部分：机械性能。

Aluminium and aluminium alloys. cold drawn rod bar and tube. part 2 : mechanical properties.

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在线材与棒材内部不能有焊接。钢绞线内的单条钢绞线可能有交错焊缝，但必须是在冷拉之前。

P There shall be no welds in wires and bars. Individual wires of strands may contain staggered welds made only before cold drawing.

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棒线材的无头轧制工艺，要求焊接部位与基体具有同样的性能。

For the bar and wire endless rolling process, the welded area is required to have similar properties as the base metal.

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