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Diamond size table
来源: Sanchao diamond
2002-1-1
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Sanchao and the major countries of the diamond grain size table

Sanchao Diamond

International standard

European Community

USA GE

Japan

Germany

Russia

Grain size

窗体顶端

Size

窗体底端

Grain size

Grain size

窗体顶端

Size

窗体底端

Grain size

窗体顶端

Size

窗体底端

Grain size

窗体顶端

Size

窗体底端

Grain size

窗体顶端

Size

窗体底端

Grain size

窗体顶端

Size

窗体底端

Grain size

窗体顶端

Size

窗体底端

40/45

425/355

426

———

425/355

D426

425/355

35/40

500/425

 

 

D426

425/355

630/500

630/500

45/50

355/300

356

———

355/300

D356

355/300

40/50

425/300

 

 

D356

355/300

500/400

500/400

50/60

300/250

301

50/60

300/250

D301

300/250

50/60

322/225

 

 

D301

300/250

400/315

400/315

60/70

250/212

251

———

250/212

D251

250/212

60/70

271/213

 

 

D251

250/212

315/250

315/250

70/80

212/180

213

———

212/180

D213

212/180

70/80

227/181

46#

420/350

D213

212/180

250/200

250/200

80/100

180/150

181

80/100

180/150

D181

180/150

80/100

180/150

60#

290/250

D181

180/150

200/160

200/160

100/120

150/125

151

100/120

150/125

D151

150/125

100/120

150/125

70#

250/210

D151

150/125

160/125

160/125

120/140

125/106

136

120/140

125/106

D136

125/106

120/140

125/106

80#

210/177

D136

125/106

125/100

125/100

140/170

106/90

107

140/170

106/90

D107

106/90

140/170

106/90

100#

149/125

D107

106/90

100/80

100/80

170/200

90/75

91

170/200

90/75

D91

90/75

170/200

90/75

120#

125/105

D91

90/75

80/63

80/63

200/230

75/63

76

200/230

75/63

D76

75/63

200/230

75/63

150#

105/74

D76

75/63

63/50

63/50

230/270

63/53

64

230/270

63/53

D64

63/53

230/270

63/53

180#

88/63

D64

63/53

50/40

50/40

270/325

53/45

54

270/325

53/45

D54

53/45

270/325

53/45

280#

53/44

D54

53/45

———

———

325/400

45/38

46

325/400

45/38

D46

45/38

325/400

45/38

320#

44/37

D46

45/38

———

———

W4, 0

40-20

 

 

 

M63

42/84

45

 

400#

37/34

D35

32/40

 

 

W28

28-14

 

 

 

M40

27/53

30

 

500#

34/28

D25

25/32

 

 

W20

20-10

 

 

 

M25

16/34

15

 

600#

28/24

D20

25/40

 

 

W14

14-7

 

 

 

M16

10/22

9

 

700#

24/20

D20B

30/40

 

 

W10

10-5

 

 

 

M10

6/14

 

 

800#

20/16

D20A

25/30

 

 

W7

7-3.5

 

 

 

M6.3

4/9

 

 

1000#

16/13

D15

10/25

 

 

W5

5-2.5

 

 

 

M4.0

2.5/5.5

 

 

1200#

13/10

D15C

20/25

 

 

W3.5

3.5-1.5

 

 

 

M1.6

1/2.5

 

 

1500#

10/8

D15B

15/20

 

 

W2.5

2.5-1

 

 

 

M1.0

0.5/1.5

 

 

2000#

8/6

D15A

10/15

 

 

W1.5

1.5-0.5

 

 

 

 

 

 

 

2500#

6/5

D7

5/10

 

 

W1

1-0

 

 

 

 

 

 

 

3000#

5/4

D3

2/5

 

 

W0.5

0.5-0

 

 

 

 

 

 

 

4000#

4/3

D1

1/2

 

 

 

 

 

 

 

 

 

 

 

5000#

3/2

D0.7

0.5/1

 

 

 

 

 

 

 

 

 

 

 

8000#

2/1

D0.25

<0.5

 

 

 

 

 

 

 

 

 

 

 

15000#

1/0