- Manufacturer and Distributor of Stainless Steel pipe repair clamps for pipe repair. The grade of stainless steel used is Type 316, fully passivated after welding, to restore the original passive state of the stainless steel. Cascades armour plate has been vulcanised into the rubber of the gaskets at the time of moulding ensuring a permanent, perfect fit and a smooth transition from rubber to ...www.cascade.co.za