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<< Back The latest Chinese standard for rebar just released!
2018-02-22
The standard of GB/T 1499.2- "Reinforced Concrete Steel, Part 2: Hot Rolled Rebar" was released on February 6, 2018 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and Standardization Administration of China. The new standard GB/T 1499.2-2018, will be formally implemented from November 1st, 2018.
Compared with the previous version of GB/T 1499.2-2007, the main changes in the new standard include:
To increase the smelting method. Steel should be melted in converter or electric arc furnace or external refining if necessary.
To eliminate 335MPa grade and add 600MPa, forming a series of 400MPa, 500MPa, 600MPa in strength.
To make more stringent requirements for the allowable tolerance in length, bending, weight; weight difference does not allow retest.
To increase the testing methods of metallographic examination, macro metallography, cross-section Vickers hardness and microstructure.
To amend the surface markings.
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