73079190 under HS Code TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES), OF IRON OR STEEL - OTHER : FLANGES : OTHER, 73079390 under HS Code TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES), OF IRON OR STEEL - OTHER : BUTT WELDING FITTINGS : OTHER, and 73251000 under HS Code OTHER CAST ARTICLES OF IRON OR STEEL - OF NON-MALLEABLE CAST IRON. were the top exported HS Codes by KAYON FORGING CORPORATION in 2024.