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Steel plate a537 class 1 with normalized,steel plate a537 class 2 with quenched and tempered
Steel plate a537 class 1 with normalized,steel plate a537 class 2 with quenched and tempered are both used for boiler and pressure vessels in high temperature.All steel materials shall be killed and shall conform to the fine austenitic grain size requirement of specification A 20/A 20M.
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Steel plate a537 class 1 with normalized,
Steel plate a537 class 2 with quenched and tempered
Steel plate a537 class 3 with quenched and tempered
The tempering temperature for steel plate a537 class 2 shall not be less than 1100 ℉ (595 Deg.C) for not less than 1/2 hour,and 1150℉ (620 Deg.C)for steel plate a537 class 3 for not less than 1/2 hour.
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