Influence of Microscopic Effects on the Static Tensile Strength of Gray Cast Iron HT200 Specimens

Table 3

Calculated values of extreme strength of gray cast iron HT200 specimens.

Specimen number	Diameter Φ(mm)	Initial microflaw size a0(mm)	Test value σb(MPa)	Calculated value σb(MPa)
No. 1	7.68	0.1236	211.98	211.90
No. 2	7.88	0.0711	253.06	253.00
No. 3	8.04	0.1422	203.93	203.90
No. 4	8.20	0.0808	242.19	242.20
No. 5	8.14	0.1309	208.61	208.60
No. 6	8.50	0.0870	236.27	236.30