Measuring line and Slickline wire
The original bright finish slickline ... since 1985

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Central Wire's excellence in manufacturing and testing has made our measuring lines the industry standard for quality and performance. Our measuring lines also known as Slickline and Canline, are a solid, continuous weld-free, bright finish wire used for lowering tools and instruments into oil & gas wells, that subject the materials for wirelines to corrosion attack, and varying degrees of mechanical abuse.

Central Wire's Canline series of wirelines currently are offered in alloys suited for both measuring line, and electro-mechanical (EM cable) cable. All lines are weld-free, and shipped on steel reels. Custom lengths and diameters are available upon request.

Canline wireline alloys are designed to withstand harsh conditions of oil & gas wells.
GD316 is an austenitic stainless steel suitable for sweet well conditions with CO2, no H2S and low chlorides.
GD22 is a duplex stainless steel suitable for well conditions with medium concentrations of CO2, H2S and low chlorides.
GD31Mo & GD35Mo are super austenitic stainless steel suitable for well conditions with CO2, H2S and chlorides.

As an ISO 9001:2000 registered company, we have a commitment to ensure our customers receive a reliable and durable product that meets or exceeds their expectations. Central Wire's stringent quality controls ensure traceability from wire rod to finished line, through a unique product identifier. Each line is supplied with a certificate of conformance, stating physical and mechanical properties including alloy chemistry, and breaking load. Every line is verified by an independent lab to DIN 50049.3.1.B standards.

Changes to grade specifications - April 24th 2009

GD316:

PRE Formula: PRE = %Cr + 3.3 x %Mo + 16 x %N
Addition of 0.066 to the standard item list
Revised Breaking loads (both Lbs. f. and kN) for:
0.125 – 2640 lbs / 11.74 kN
0.150 – 3800 lbs / 16.9 kN
0.160 – 4220 lbs / 18.77 kN

GD31Mo:

0.135 replaced with 0.140
Revised Breaking loads (both Lbs. f. and kN) for:
0.108 - 2170 lbs / 9.65 kN
0.140 - 3400 lbs / 15.12 kN
0.150 - 4020 lbs / 17.88 kN
0.160 - 4400 lbs / 19.57 kN