Height of Drop (m)

Centre Hardness

(HRC)

Average Hardness

(HRC)

Tensile Strength

(N/mm)

Percentage

Elongation (%)

Percentage

Reduction (%)

Izod Impact Value (J)

0

40.0

42.4

410.4

4

4

12

1.0

44.0

45.2

496.12

2

2.5

10.5

1.5

45.0

46.2

530.56

2

2.5

10.0

2.0

45.9

50.5

560.40

Nil

Nil

8.3

As received

36.2

36.8

510

21

38.0

34.0