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首页 > 主导产品 > 硬质合金

硬质合金棒材
产品详情

硬质合金棒材类产品主要为细晶和超细晶硬质合金产品，产品晶粒度在0.5-0.8μm之间，具有较高的硬度、强度和耐磨性能，硬质合金棒材类产品主要应用于硬质合金整体刀具制造领域，其终端产品主要有钻头、立铣刀、铰刀等，被广泛应用于金属加工、汽车制造、航空航天和数码3C领域

直径
  Φd

长度
  L
  （公差Tol./0,+0.1)

倒角尺寸
  C
  （公差Tol./±0.1）

倒角角度
  A
  （公差Tol./±3°）

3

47

0.4 

45°

4

56

0.4 

45°

5

63

0.5 

45°

6

63

0.5 

45°

6

67

0.5 

45°

6

75

0.5 

45°

6

83

0.5 

45°

7

75

0.6 

45°

8

80

0.6 

45°

8

92

0.6 

45°

9

85

0.6 

45°

10

90

0.6 

45°

10

104

0.6 

45°

11

96

0.6 

45°

12

103

0.8 

45°

12

119

0.8 

45°

13

103

0.8 

45°

14

108

0.8 

45°

14

125

0.8 

45°

15

112

0.8 

45°

16

116

0.8 

45°

16

134

0.8 

45°

17

120

0.8 

45°

18

124

0.8 

45°

18

144

0.8 

45°

19

128

1.0 

45°

20

132

1.0 

45°

20

154

1.0 

45°

控制标准

控制指标

单位

DU20

DU20F

DU25F

晶粒度

μm

0.7-0.8

0.6-0.7

0.5-0.6

钴含量

%

10-10.3%

10-10.3%

11.7-12.0%

密度

g/cm3

14.40-14.50

14.25-14.35

14.00-14.20

强度

Mpa

≥3800

≥4000

≥4200

洛氏硬度

HRA

91.5-92.3

92.5-93.5

92.0-93.0

断裂韧性

MPa•m1/2

10.0-11.0

8.5-9.5

9.0-10.0



DU20系列产品扫描电镜图

DU20F系列产品扫描电镜图

DU25F系列产品扫描电镜图

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