Stainless Steel Bellows Manufacturer, Stockholder, Suppliers . Bellows - High-Performance Expansion Solutions by Aakash Steel Stainless Steel Bellows Materials: SA240-304, SA240-304L, SA240-316, SA240-316L, SA240-321, Inconel® 625 LCF (low cycle fatigue) nickel alloy, Inconel® 800H, other materials on request Stainless Steel...