OD
D1
mm

D2
mm

L2
mm

d
mm

L±20mm

Short Type

Long Type

String style

Near-bit style

String style

Near-bit style

L3=150

L1=350

L3=300

L1=700

152.4~165.1

121

400
500

51

950
1050

1100
1200

1450
1550

1650
1750

 190.5~200

159;178

57;71

212.7~222.2

159;178

400
500
600

57;71

950
1050
1150

1100
1200
1300

1450
1550
1650

1650
1750
1850

241.3~250.8

178

71

311.1

203;229

500
600
700

76

1150
1250
1350

1300
1400
1500

1750
1850
1950

1950
2050
2150

444.5

203;229

500
600
700

76

1350
1450
1550

1500
1600
1700

1950
2050
2150

2150
2250
2350

660.4

229

700
800
900

76

1950
2050
2150

2100
2200
2300

2550
2650
2750

2750
2850
2950

OD at
Two Ends（in）

Tensile Strength
σb
MPa

Yield Strength
σs
MPa

Elongation
δ3%

Reduction of area
Ф
%

Impact
Ak
J

4 3/4~6 1/4

≥965

≥758

≥13

40

≥54

7~9

≥931

≥689

≥13

40

≥54