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WYJ071-2000                 Q550D

1. Application scope : this technology conditions only apply to the thickness is no more than the 100 mm high strength steel Q550D steel plates.

2. Of the steel plate size and shape, weight and deviation should be allowed to meet the provisions of GB709-88 standard.

3. Technical requirements

The chemical composition of steel 3.1 GB/should comply with the regulations of the T16270-1996 standard.

3.2 delivery status: the tempering

3.3 the mechanical properties of the steel plate should comply with the GB/T16270-1996 of the provisions of the standard.

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