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[求助] SA387Gr11、GR12、GR22,主要是区别在哪里呢? |
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发表于 2015-3-4 16:46:47
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点评你的见解太棒了: 0.0
你的见解太棒了: 0
1.2 Plates are available under this specification in several grades having different alloy contents as follows: Nominal Nominal Chromium Molybdenum Grade Content, % |
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发表于 2015-3-4 16:51:33
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发表于 2015-3-4 20:24:03
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发表于 2015-3-5 18:26:09
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发表于 2019-10-16 06:55:00
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