[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

304不锈钢管壁厚应≥1.0mm(承重梁)与0.8mm(普通栏),低于0.7mm的属超薄管,长期易变形生锈;201不锈钢含锰高、耐盐雾差,沿海城市不建议使用

1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen

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