Surface Technology Products Limited, Weld cleaning

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Weld cleaning
September 1st 2007

The heat treatment of stainless steels, in particular when welding, can create troublesome oxide layers which have to be removed. In addition to mechanical processes such as grinding, brushing, shot-blasting, chemical processes with aggressive pickling pastes have traditionally been used. The stainless steel ISOJET III's thermo-chemical method is said by Surface Technology Products (Surtech) to be faster, less hazardous and more ecological. Its wand and electrolytes ensure that only oxide layers generated by the heat treatment are removed. The company says this guarantees that optical surface smoothness is preserved. The cleaned work piece merely has to be rinsed with water and protected with a spray to preserve the passive layer required for the corrosion resistance of steel.

More articles from Surface Technology Products Limited:

Welding tables (1st November 2006)

Now available in the UK is the modular S4 system of welding tables, introduced by Surface Technology under a sole agency agreement with the Siegmund Group, Germany.

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Weld preparation tool (1st March 2006)

Model SKF 2023 is the most powerful of a range of seven portable chamfering and bevelling machines from Surtech. It features 2.5kW motor, variable cutting speed from 6500 to 8500rpm and multibladed milling head.

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POLISHING SOLUTIONS (1st November 2004)

The polishing of bent tubes, handrails, aluminium extrusions and hollow sections is a difficult operation. A semi-automatic machine from Surtech offers a solution.

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Held in place (1st September 2004)

Surtech�s Model CS-2B/4 Bench Mount has a universal clamping system that allows most angle grinders with a cutting wheel capacity between 180 and 230mm dia to be securely fixed and set in the correct position for cutting.

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Weld preparation (1st May 2004)

Model SKF 2023 is the most powerful of a range of seven portable chamfering and bevelling machines from Surface Technology Products.

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Multi-bladed (1st March 2004)

Model SKF 2023 is the most powerful of a range of seven portable chamfering and bevelling machines from Surface Technology Products (Surtech). With 2.5kW electric motor, variable cutting speed from 6500 to 8500rpm and multi-bladed milling cutter, it

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Accurate weld preparation (1st January 2004)

When welding highly stressed load-bearing parts, the preparation for welding has a decisive influence on the quality and economic efficiency of welding. With the FasRapid belt-grinding system from Surface Technology Products, bevels are produced on s

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ROBOT HELP (1st November 2003)

Manual polishing is a demanding job with health, noise and dust hazards, for which it is becoming increasingly difficult to recruit operators. Surtech has teamed up with a leading manufacturer of automatic polishing machines and robots to offer a wid

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Low noise (1st September 2003)

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