Sample No.

Sample Details

Heat Treatment Temperature (˚C)

Cooling Conditions

Average Hardness (HV)

Standard Deviation

1

450

FA-type

169

2.1

2

450

N-type

180

3.6

3

500

FA-type

188

6.4

4

500

N-type

189

6.4

5

550

FA-type

183

8.7

6

550

N-type

190

9.8

7

600

FA-type

186

13.5

8

600

N-type

185

4.0

9

650

FA-type

196

3.8

10

650

N-type

184

8.5

11

700

FA-type

206

2.0

12

700

N-type

197

4.6

13

750

FA-type

201

3.1

14

750

N-type

202

7.2

15

800

FA-type

196

2.0

16

800

N-type

198

2.0

17

850

FA-type

193

9.9

18

850

N-type

198

4.0

19

900

FA-type

197

8.9

20

900

N-type

293

10.6

21

950

FA-type

187

6.0

22

950

N-type

384

11.0

23

1000

FA-type

171

5.1

24

1000

N-type

422

11.9

25

1050

FA-type

181

12.5

26

1050

N-type

[300]a

27

1100

FA-type

153

9.5

28

1100

N-type

[293]a

As-cast (AC) (29)

-

-

204

4.0

QS (30)

1100

Quenched

[756]b