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Steel grade representation of high quality carbon structural steel

Time:2020-10-28 14:58:46 Source: Views:120

It is composed of Q + number + quality grade symbol + deoxidation method symbol.It is composed of Q + number + quality grade symbol + deoxidation method symbol.It is composed of Q + number + quality grade symbol + deoxidation method symbol.It is composed of Q + number + quality grade symbol + deoxidation method symbol.It is composed of Q + number + quality grade symbol + deoxidation method symbol.It is composed of Q + number + quality grade symbol + deoxidation method symbol.

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