WYJ043-2005                                   30CrMnSiA

1, suitable for:the technology conditions apply to thickness > 8 ~ 60 mm of alloy steel and 30 CrMnSiA steel plates.

2, size, shape, roughness, weight and allow deviation

The size of the steel plate, appearance, roughness, weight and deviation should be allowed to meet the provisions of the GB709-88 standard.

3, technical requirements

3.1 the chemical composition of the steel plate (melting analysis) should comply with the relevant provisions of the GB3077-88, see table 1.

Table 1

3.2 delivery status: the tempering and quenching

3.3 mechanical properties

3.3.1 track the mechanical properties of the steel plate should comply with the regulations of the table 2.

Table 2

3.3.2 Provide tensile strength, elongation, area reduction and normal temperature U impact measured value.