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Hostile Environment
Stainless
Steel Cables
MP-35N
Electrical
Resistance Considerations
Operating
Procedures
Applications
Mechanical Properties
Metallurgy
Figures 1, 2, 3, 7,8
Physical Properties
SUPA 70
SUPA 75
SUPA 70, 75, 80
Manual Menu
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MANUFACTURER: BRIDON ROPES LIMITED
WIRELINE GRADE: BRIDON SUPA 70, 75 and 80
| STEEL COMPOSITION |
| Element |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
N |
| Supa 70 |
0.02 |
1.0 |
2.0 |
0.04 |
0.005 |
19.5-20.5 |
6,0-6.5 |
5-1.0 |
17.5-18.5 |
0.18-0.22 |
| Supa75 |
0.02 |
0.5 |
2.0 |
0.03 |
0.005 |
19.0-21.0 |
6.0-7.0 |
0.7 0-1.50 |
24.0-26.0 |
0.12-0.20 |
| Supa 80 |
0.015 |
0.3 |
2.0 |
0.02 |
0.01 |
260-28.0 |
6.0-7.0 |
1.0-1.4 |
30.0-32.0 |
0,15-0.25 |
|
WIreline material |
Supa 70 |
Supa 75 |
Supa 80 |
|
MECHANICAL PROPERTIES |
|
Minimum breaking load Ibf |
2100 |
2030 |
2175 |
|
Typical breaking load Ibf |
2255 |
2185 |
2315 |
|
Minimum UTS N/mm2 |
1590 |
1530 |
1640 |
|
Typical UTS N/mm2 |
1700 |
1650 |
1745 |
|
Yield strength (0.2% P.S.) |
80-90% UTS |
80-90% UTS |
80-90% UTS |
|
Elastic limit |
22-26% UTS |
22-28% UTS |
22-28% UTS |
|
Modulus of elasticity N/mm2 |
16x104 |
16X104 |
16x104 |
|
Recommended safe load |
60% UTS |
60% UTS |
60% UTS |
|
Sheave diameter inch |
13.0 |
13.0 |
13.0 |
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PHYSICAL PROPERTIES |
|
Density g/cm3 |
8.1 |
6.1 |
8.1 |
|
Coefficient of linear expansion mm/m/°C |
0.17 |
0.15 |
0.14 |
|
Wireline weight Ib/1000ft |
32.1 |
32.1 |
32.1 |
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Minimum Wireline stretch inch/100ft/100lb |
0,58 |
0.58 |
0.58 |
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CORROSION RESISTANCE |
|
H2S+CO2 |
Excellent - all concentrations |
|
Chloride (Brine, salt etc.) |
Excellent |
Excellent |
Excellent |
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H2S+CO2 + Chloride |
Use with caution. Risk of S.C.C. |
Good, superior to Supa 70. |
Good,Superior to Supa 75 |
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