Stainless steel wire

Sunday, 06 March, 2005 | Supplied by: http://www.sandvik.com/


Designated Sandvik Sanicro 36Mo, the wire grade is a nitrogen enhanced, high alloyed austenitic alloy for service in extreme conditions.

It is characterised by high tensile strength and good corrosion resistance in chlorides, H2S and CO2 environments.

The major innovation and key benefit for users, bringing both operating and cost benefits during well interventions, is an enhanced breaking load - 15-20% higher than many other service grades. The tensile strength is 270 ksi minimum for slicklines and 300 ksi for logging cable lines.

Proof strength is in the range of 85% of the tensile strength. This means that Sandvik Sanicro 36Mo slicklines can resist high loads without a permanent set of the wire. It also means that in a diameter to diameter comparison, the new grade provides a wider window of operation, greater safety, less risk of overload if jarring occurs and enables greater loads to be lowered into a well.

The increased breaking load advantage can also be used to reduce the wireline diameter required for a particular application which means easier management in the well. The enhanced properties of Sandvik Sanicro 36Mo slicklines enable operators to consider a 'one-size fits all concept' and thereby reduce inventory.

Sandvik Sanicro 36Mo has good corrosion resistance and has been developed to resist high temperatures in chloride environments. High contents of chromium, molybdenum and nickel mean the alloy has a high resistance against pitting.

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