Global technology leader in the manufacture of wire and fibre rope solutions

Offshore Exploration Drilling Rigs - Drilling Lines

Dyform Bristar 6x19 Class

Benefits:

  • Superior abrasion & wear resistance
  • Crush resistant
  • Corrosion protected IWRC
  • Even load distribution
  • Reduced internal friction
  • Increased bend fatigue
  • Improved torsional stability
  • Enhanced strength to diameter ratio
  • Improved diameter tolerance
  • Up to 60% more service life*

*Bristar Ton Mile Performance vs. API standard Drill Line

Bridon's conventional six-strand drilling lines deliver excellent ton-mile performance. The pinnacle of drilling line performance is provided by our unique Bristar core drilling lines.

Dyform rope construction reduces sheave wear and point loading which combined with the superior dynamic structural stability provided by the Bristar core delivers exceptional performance and sets the standard for drilling applications.

High performance rope technology for critical Oil & Gas applications, Bridon the benchmark for reliability.

  • Power Checked
  • Fatigue Checked
  • Quality Assured

Rope Diameter

Approximate Mass

Minimum Breaking Force (Fmin)

Axial stiffness @20% load

Torque Generated at 20% Load

Metallic cross section

In air (M)

EIPS/1960 grade

Ordinary

Lang’s

in

mm

kg/m

lbs/ft

kN

Tonnes

Tons

MN

Mlbs

N.m

lbs.ft

N.m

lbs.ft

mm2

in2

1

25.4

2.84

1.91

514

52.4

57.7

34

8

180

133

n/a

n/a

334

0.518

1 1/8

28.6

3.60

2.42

652

66.4

73.2

44

10

257

190

n/a

n/a

424

0.657

1 1/4

31.8

4.45

2.99

805

82.1

90.5

54

12

353

261

n/a

n/a

524

0.812

1 3/8

34.9

5.36

3.60

970

98.9

109

65

15

467

345

n/a

n/a

631

0.979

1 1/2

38.1

6.39

4.29

1156

118

130

78

17

608

448

n/a

n/a

752

1.17

1 5/8

41.3

7.51

5.04

1359

138

153

91

20

774

571

n/a

n/a

884

1.37

1 3/4

44.5

8.71

5.85

1577

161

177

106

24

969

714

n/a

n/a

1026

1.59

1 7/8

47.6

9.97

6.70

1805

184

203

121

27

1185

874

n/a

n/a

1174

1.82

2

50.8

11.4

7.63

2055

210

231

138

31

1441

1063

n/a

n/a

1338

2.07

2 1/8

54.0

12.8

8.62

2323

237

261

156

35

1731

1276

n/a

n/a

1512

2.34

2 1/4

57.2

14.4

9.67

2606

266

293

175

39

2057

1517

n/a

n/a

1696

2.63

2 1/2

63.5

17.7

11.9

3212

327

361

215

48

2814

2075

n/a

n/a

2090

3.24

2 3/4

69.9

21.5

14.4

3762

383

423

261

59

3629

2676

n/a

n/a

2533

3.93

3

76.2

25.5

17.2

4471

456

502

310

70

4701

3467

n/a

n/a

3010

4.67

Note: Tonnes = 1000kg ­ Tons = 2000lbs
Figures shown are for guidance purposes only. For specific applications requirements please contact Bridon.

This table is for guidance purposes only with no guarantee or warranty (express or implied) as to its accuracy. The products described may be subject to change without notice, and should not be relied on without further advice from Bridon. View the full disclaimer here.