Kalikund Steel & Engineering Company (KSEC) is a leading manufacturer, supplier, and distributor of AISI 4130 Flanges. AISI 4130 grade is a low-alloy steel and contains chromium and molybdenum as its strengthening elements, hence making it corrosion resistance, tough, and weldable. AISI 4130 API 6A 10K RTJ Weld Neck Flange supplier A flange is a plate or ring which forms a rim at the tip of a pipe when fastened to it. We bring forth a wide range of AISI 4130 Flanges that are manufactured by certified experts in the industry. AISI 4130 Flanges have great resistance to sea water borne corrosion as they contain significant amount of stainless steel iron and so it is used in Rig Projects, Deep Water riser system, Manifold Equipments, Debris / Junk Catcher Manifold, UBD Trailor Package, Well Test Equipments, Pipe Line end Manifolds, and many more.