API SPEC 5L PSL1 X70 (L485) Pipeline Steel Coil API SPEC 5L PSL1 X65 (L450) Pipeline Steel Coil API SPEC 5L PSL1 X60 (L415) Pipeline Steel Coil API SPEC 5L PSL1 X56 (L390) Pipeline Steel Coil API SPEC 5L PSL1 X52 (L360) Pipeline Steel Coil API SPEC 5L PSL1 X46 (L320) Pipeline Steel Coil API SPEC 5L PSL1 X42 (L290) Pipeline Steel Coil API SPEC 5L PSL1 Grade B (L245) Pipeline Steel Coil API SPEC 5L PSL1 Grade A (L210) Pipeline Steel Coil