WYJ011-2001              50Mn2V

1. Application scope: applicable to the technical conditions for yichang black tornado saw industry limited liability company thickness not more than 20 mm of 50 Mn2V steel plates.

2. The size, shape, weight and allow deviation

2.1 the thickness of the steel plate deviation+ 0.3 mm,- 0.4 mm

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

3. Technical requirements

3.1 the chemical composition of the steel plate (melting analysis) see table 1.

Table 1                     WT％

Note: Al measured value provide in BOD,

3. Steel plate don't do mechanical properties and process performance inspection.