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GB/T699-1999 Quality Carbon Structural Steels

GB/T 699-1998 "Specifications for Quality Carbon Structural
Steels".
The current revision of this standard has made modifications in respect of the following items:
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The name of standard is changed to "Quality carbon structural steels";
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The applicable scope is extended to such extent that quality carbon structural steels with
diameter or thickness greater than 250mm may be supplied;
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The chapter of "Order Information" is added;
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Th size, dimensions and allowance shall be in accordance with the stipulations in standard
GB/T 702-1986 or GB/T 908-1987;
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Marking symbols of steel products and unified numerical representation for various
designations are added;
—