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product details

Product Code

C

Si

Mn

Cr

Mo

P

S


Min   Max

Min   Max

Min   Max

Min   Max

Min   Max

Min   Max

Min   Max

ZQCr26

2.0    2.8

0.3    1.0

0.3    2.0

21     28

---     0.5

---    0.06

---    0.06

ZQCr20

2.0    2.8

0.3    1.0

0.3    2.0

17     22

---     0.5

---    0.06

---    0.06

ZQCr17

2.0    3.2

0.3    1.0

0.3    2.0

14     18

---     0.5

---    0.06

---    0.06

ZQCr12

1.8    3.3

0.3    1.0

0.3    2.0

10     14

---     0.5

---    0.06

---    0.06


Product Code

Surface Hardness

Volumetric Hardness

Impact Fatigue Life(times)

Impact value(J/cm²)


Min   Max

Min   Max

Approx

Min   Max

ZQCr26

58    68

56     66

15000

4.0

ZQCr20

58    68

56     66

15000

3.5

ZQCr17

58    68

56     66

15000

3.0

ZQCr12

58    68

56     66

15000

3.0

 

Ball Diameter (mm)

Mass (g)

Number of Balls (per ton)


Approx

Approx

20

32

31056

25

63

15873

30

110

9091

40

257

3891

50

500

2000

60

867

1153

70

1370

729

80

2050

487

90

2900

345

100

4000

250

110

5300

188

120

6800

147

125

7750

129

130

8740

114

150

13500

74



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