2A11铝板 亮面拉丝铝板直销2A11铝棒
2024-12-14
2A11铝合金为应用较早的一种硬铝，一般称为标准硬铝，具有中等强度，在退火、刚淬火和热状态下可塑性尚好，可热处理强化，在淬火和自然时效状态下使用，点焊焊接性良好，进行气焊及
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