Item

Unit

Norminal Diameter

UHP

HP

RP

≤Φ400

≥Φ450

≤Φ400

≥Φ450

≤Φ300

≥Φ350

Resistance

E

μΩ·m

≤5.5

≤6.5

≤8.5

N

≤4.5

≤5.5

≤6.5

Bending Strength

E

MPa

≥11.0

≥10.5

≥9.8

≥8.5

≥7.0

N

≥20.0

≥16.0

≥15.0

Elastic Modulus

E

GPa

≤14.0

≤12.0

≤9.3

N

≤18.0

≤16.0

≤14.0

Bulk Density

E

g/cm3

≥1.66

≥1.67

≥1.62

1.60

≥1.53

≥1.52

N

≥1.75

≥1.73

≥1.69

CTE.

E

10-6/℃

≤1.5

≤2.4

≤2.9

N

≤1.4

≤2.2

≤2.8

Ash

%

≤0.3

≤0.3

≤0.5

Norminal Diameter

RP

HP

UHP

mm

Current load

A

Current Density A/cm2

Current load

A

Current Density  A/cm2

Current load

A

Current Density A/cm2

200

5000-6900

15-21

5500-9000

18-25

250

7000-10000

14-20

8000-13000

18-25

9200-15100

21-30

300

10000-13000

14-18

13000-17400

17-24

13000-22000

20-30

350

13500-18000

14-18

17400-24000

17-24

20000-30000

20-30

400

18000-23500

14-18

21000-32000

16-24

25000-40000

19-30

450

22000-27000

13-17

25000-40000

15-24

32000-45000

19-27

500

25000-32000

13-16

30000-48000

15-24

38000-55000

18-27

550

32000-40000

13-16

37000-57000

15-23

48000-60000

18-24

600

38000-47000

13-16

44000-67000

15-23

52000-72000

18-24

700

45000-54000

13-16

54000-73000

15-23

62000-95000

18-24

Diameter

Nipple

Socket

Pitch

D

d2

L

l

d1

H

Tolerance：

≤

Tolerance：

mm

in

（-0.30～0）

（-0.30～0）

（-1～0）

（0～0.3）

（0～7）

8.47

3TPI

225

9″

139.70

91.22

203.20

7

141.22

107.60

250

10″

155.57

104.20

220.00

157.09

116.00

300

12″

177.16

117.39

270.90

148.68

141.50

350

14″

215.90

150.48

304.80

217.42

158.40

400

16″

215.90

150.48

304.80

217.42

158.40

400

16″

241.30

170.23

338.70

242.82

175.30

450

18″

241.30

170.23

338.70

242.82

175.30

450

18″

273.05

199.17

355.60

274.57

183.80

500

20″

273.05

199.17

355.60

274.57

183.80

500

20″

298.45

221.73

372.60

299.97

192.20

550

22″

298.45

221.73

372.60

299.97

192.20

600

24″

336.55

245.73

457.30

338.07

234.60

3TPIL

350

14″

215.90

144.85

338.70

217.42

175.30

400

16″

241.30

167.43

355.60

242.82

183.80

450

18″

273.05

182.23

457.30

274.57

234.60

4TPI

200

8″

122.24

81.48

177.80

7

115.92

94.90

6.35

225

9″

139.70

98.94

177.80

133.38

94.90

250

10″

152.40

109.52

190.50

146.08

101.30

300

12″

177.80

130.69

215.90

171.48

114.00

350

14″

203.20

149.74

254.00

196.88

133.00

400

16″

222.25

160.32

304.80

215.93

158.40

450

18″

241.30

179.37

304.80

234.98

158.40

500

20″

269.88

199.49

355.60

263.56

183.80

550

22″

298.45

228.06

355.60

292.13

183.80

600

24″

317.50

247.11

355.60

311.18

183.80

650

26″

355.60

268.27

457.20

349.28

234.60

700

28″

374.65

287.32

457.20

368.33

234.60

4TPIL

300

12″

177.80

124.34

254.00

171.48

133.00

350

14″

203.20

141.27

304.80

196.88

158.40

400

16″

222.25

151.86

355.60

215.93

183.80

450

18″

241.30

170.91

355.60

234.98

183.80

500

20″

269.88

182.55

457.20

263.56

234.60

550

22″

298.45

211.12

457.20

292.13

234.60

600

24″

317.50

230.17

457.20

311.18

234.60

650

26″

355.64

251.38

558.80

349.28

285.40

700

28″

374.65

270.39

558.80

368.33

285.40