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Tungsten Carbide Rollers

Tungsten Carbide Rollers
Tungsten Carbide Rollers
Product Code : 07
Product Description

Tungsten Carbide Rollers

Tungsten Carbide Rollers Properties

Grade

Physical Properties

Mechanical Properties

Density g/cm3

Thermal Conductivity W/(m..k)

Average Thermal Expansion Coefficient 10-6/k

Hardness≥ HRA

Bending Strength≥ kN/mm2

Compression Strength≥kN/mm2

Young's Modulus kN/mm2

ZY27

12.70

60

5.8~7.0

78.0

2200

2.8

420

ZY28

13.10

60

5.5~6.5

79.0

2370

3.0

430

ZY29

13.30

70

5.5~6.5

80.0

2300

3.0

440

ZY30

13.50

70

5.8~7.0

81.0

2300

3.2

450

ZY31

13.60

90

5.0~5.8

82.0

2300

3.2

480

ZY33

13.95

100

5.0~5.8

83.0

2350

3.2

530

ZY34

14.10

100

4.8~5.6

83.0

2350

3.4

530

ZY35

14.30

100

4.8~5.6

85.0

2400

3.5

550

ZY27A

12.70

60

5.5~6.5

80.0

2520

3.0

430

ZY28A

13.15

60

5.5~6.5

80.0

2520

3.0

460

ZY29A

13.35

70

5.5~6.5

81.0

2500

3.1

470

ZY30A

13.55

70

5.2~6.0

82.0

2500

3.1

480

ZY31A

13.65

90

5.0~5.8

83.0

2500

3.2

500

ZY33A

14.00

100

5.0~5.8

83.5

2450

3.3

540

ZY34A

14.15

100

4.8~5.6

84.0

2400

3.5

550

ZY35A

14.35

100

4.8~5.6

86.0

2450

3.6

560

 

Recommended application grade

Grade

Recommended application

ZY35 ZY35A

High hardness and good wear resistance.Used in the counting down two of finish rolling and reducing stands.

ZY34 ZY34A

Better wear resistance.Used in the stands counting down two of finish rolling and reducing stands.

ZY33 ZY33A

Moderate wear resistance and impact resistance.Used in the wear stands of finish rolling.

ZY31 ZY31A

Moderate wear resistance,good impact resistance.Used in the front stands of finish rolling.Also in the rear stands of finish rolling under unstable operation.

ZY30 ZY30A

Better toughness.Uesd in the first and second stands of finish rolling or reducing stands.Also in the rear stands of finish rolling under unstable operation.

ZY29 ZT29A

Good impact resistance.Used in the first and second stand of finish rolling,the last two stands of pre-finish rolling and the reducing stands as well.

ZY28 ZY28A

High binder content,good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel.

ZY27 ZY27A

Good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel.


Tungsten Carbide Rollers

Tungsten Carbide Rollers Properties

Grade

Physical Properties

Mechanical Properties

Density g/cm3

Thermal Conductivity W/(m..k)

Average Thermal Expansion Coefficient 10-6/k

Hardness≥ HRA

Bending Strength≥ kN/mm2

Compression Strength≥kN/mm2

Young's Modulus kN/mm2

ZY27

12.70

60

5.8~7.0

78.0

2200

2.8

420

ZY28

13.10

60

5.5~6.5

79.0

2370

3.0

430

ZY29

13.30

70

5.5~6.5

80.0

2300

3.0

440

ZY30

13.50

70

5.8~7.0

81.0

2300

3.2

450

ZY31

13.60

90

5.0~5.8

82.0

2300

3.2

480

ZY33

13.95

100

5.0~5.8

83.0

2350

3.2

530

ZY34

14.10

100

4.8~5.6

83.0

2350

3.4

530

ZY35

14.30

100

4.8~5.6

85.0

2400

3.5

550

ZY27A

12.70

60

5.5~6.5

80.0

2520

3.0

430

ZY28A

13.15

60

5.5~6.5

80.0

2520

3.0

460

ZY29A

13.35

70

5.5~6.5

81.0

2500

3.1

470

ZY30A

13.55

70

5.2~6.0

82.0

2500

3.1

480

ZY31A

13.65

90

5.0~5.8

83.0

2500

3.2

500

ZY33A

14.00

100

5.0~5.8

83.5

2450

3.3

540

ZY34A

14.15

100

4.8~5.6

84.0

2400

3.5

550

ZY35A

14.35

100

4.8~5.6

86.0

2450

3.6

560

 

Recommended application grade

Grade

Recommended application

ZY35 ZY35A

High hardness and good wear resistance.Used in the counting down two of finish rolling and reducing stands.

ZY34 ZY34A

Better wear resistance.Used in the stands counting down two of finish rolling and reducing stands.

ZY33 ZY33A

Moderate wear resistance and impact resistance.Used in the wear stands of finish rolling.

ZY31 ZY31A

Moderate wear resistance,good impact resistance.Used in the front stands of finish rolling.Also in the rear stands of finish rolling under unstable operation.

ZY30 ZY30A

Better toughness.Uesd in the first and second stands of finish rolling or reducing stands.Also in the rear stands of finish rolling under unstable operation.

ZY29 ZT29A

Good impact resistance.Used in the first and second stand of finish rolling,the last two stands of pre-finish rolling and the reducing stands as well.

ZY28 ZY28A

High binder content,good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel.

ZY27 ZY27A

Good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel.


Contact Us

No.007 Yujiachong Group, Qingcaochong Village, Xianyu Town, Hetang District, Zhuzhou, Hunan, 412000, China