UHT Carbon

Ultra High Tensile carbon steel for sweet wells with very low levels of H2s and CO2
  • The only UK manufacturer producing all of our Wirelines
    in our own ISO 9001 accredited factory.
  • All Wirelines exceed the requirements of API 9A
  • All Wirelines are 100% weld free
  • All Wirelines are supplied on painted steel reels
  • All lengths are available on request
  • All reels are packed with a unique protective wrap
    for secure transport
  • Wirelines are coated in custom developed inhibitors to
    further prevent corrosion resistance
  • Stock held in the UK and strategic locations worldwide

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Chemical Analysis
C Si Mn P S Cr Mo Cu Ni N
Weight % 0.9 Max 0.15 – 0.35 0.4 – 0.7 0.02 Max 0.025 Max 0.10 – Max 0.02 Max 0.10 Max 0.10 Max 0.007 Max
Mechanical Properties
Wireline Diameter (in) Minimum Breaking Load (lbf) Typical Breaking Load (lbf) Minimum UTS (N/mm²) Typical UTS (N/mm²) Yield Strength (0.2% of PS) Elastic Limit Modulus of Elasticity (N/mm²) Recommended Safe Load Sheave Diameter (in) Minimum Wraps
0.092″ 2050 2125 2120 2200 80% UTS 25% UTS 18 X 10′ 60% UTS 11 24
0.108″ 2730 2945 2060 2220 80% UTS 25% UTS 18 X 10′ 60% UTS 13 21
0.125″ 3665 3845 2060 2160 80% UTS 25% UTS 18 X 10′ 60% UTS 15 21
0.140″ 4600 4825 2060 2160 80% UTS 25% UTS 18 X 10′ 60% UTS 17 19
0.160″ 6005 6180 2060 2120 80% UTS 25% UTS 18 X 10′ 60% UTS 20 15
Physical Properties
Wireline Diameter Density (g/cm³) Coefficient of Liner Expansion (Mm/m/°C) Wireline Weight (lb/1000ft) Minimum Wireline Stretch (in/100ft/100lb) Thermal Conductivity (W/m.K) Specific Heat (j/kg.K) Resistivity (Ohm Cm) Magnetic Permeability
0.092″ 7.87 0.11 22.66 0.70 50 532 17 2420
0.108″ 7.87 0.11 31.23 0.51 50 532 17 2420
0.125″ 7.87 0.11 41.84 0.38 50 532 17 2420
0.140″ 7.87 0.11 52.41 0.307 50 532 17 2420
0.160″ 7.87 0.11 68.45 0.236 50 532 17 2420
Corrosion Resistance
H²S + CO² Very poor, may be used in very low H²S (1-2ppm) + CO² (2-3%) with inhibitors
Chloride (Brine, salt etc.) Good – wire must be cleaned after use to prevent pitting
H²S + CO² + Chloride Extremely poor due to the presence of H²S + CO²
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