¬ STANDARDS
» STANDARDS

HOT SHAPING AND THERMAL TREATMENT

Forging Annealing

:

1050 - 800 ºC0

Softening Annealing

:

700 - 720 ºC

Annealing Hardness

:

Max 280 HB

Stress Reliving Annealing

:

600 ºC

Pre-heat for hardening

:

650 ºC

Hardening (quenching)

:

Up to 12 mm at 780 - 800 ºC in oil
Up to 12-20 mm at 780 - 790 ºC in water
Up to 20-40 mm at 790 - 800 ºC in water
Up to 40-60 mm at 800 - 820 ºC in water

Temper

:

180 - 200 ºC - 1 hour/25mm.


APPROXIMATE WEIGHT OF MERCURY STEELS

Ø ÇAP mm

kg / m

2 mm

0,040 kg

3 mm

0,056 kg

3,5 mm

0,076 kg

4 mm

0,100 kg

4,5 mm

0,125 kg

5 mm

0,154 kg

5,5 mm

0,187 kg

6 mm

0,222 kg

6,5 mm

0,261 kg

7 mm

0,302 kg

7,5 mm

0,350 kg

8 mm

0,395 kg

8,5 mm

0,445 kg

9 mm

0,500 kg

9,5 mm

0,556 kg

10 mm

0,617 kg

10,5 mm

0,680 kg

11 mm

0,750 kg

11,5 mm

0,815 kg

12 mm

0,888 kg

12,5 mm

0,963 kg

13 mm

1,002 kg

13,5 mm

1,124 kg

14 mm

1,208 kg

14,5 mm

1,296 kg

15 mm

1,387 kg

16 mm

1,578 kg

 

Ø ÇAP mm

kg / m

17 mm

1,782 kg

18 mm

1,998 kg

19 mm

2,226 kg

20 mm

2,466 kg

21 mm

2,719 kg

22 mm

2,984 kg

23 mm

3,262 kg

24 mm

3,550 kg

25 mm

3,853 kg

26 mm

4,168 kg

27 mm

4,495 kg

28 mm

4,824 kg

30 mm

5,550 kg

32 mm

6,313 kg

35 mm

7,550 kg

40 mm

9,865 kg