Fracture Analysis of Compressor Impellers in Olefin Units: Numerical and Metallurgical Approach

Table 5

Brinell Hardness test.

Samples	Brinell 500			HB 500 ave.
	No.1	No.2	No.3
Sample 1	148.3	147.6	149.4	148.4
Sample 2	144.2	145.4	144.9	144.8
Sample 3	139.2	139.8	140.5	139.8