Certificates

WYJ010-2003                        WZB-NM360B

1. The technology conditions apply to all kinds of engineering machinery equipment that can be welding with high strength 8 ~ 50 mm wear-resistant steel plates.

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

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

3. Technical requirements

3.1 the chemical composition of steel (melting analysis) shall conform to the provisions of the table 1

Table 1                 Wt％

 

C	Si	Mn	S	P	Cr	Mo	V
0.14～0.22	1.50～1.90	1.80～2.20	≤0.010	≤0.020	0.60～0.90	0.40～0.60	≤0.10

3.2 delivery status: the tempering

3.3 mechanical properties

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

 

 

tensile strength σs  MPa	yield strength σb  MPa	elongation δ50  ％	impact AKU transverse20℃J
≥1100	≥850	≥10	≥25