MOOPEC EN 10132-4 Carbon steel and spring steel Carbon steel and spring steel are important materials that have received much attention. Their unique performance characteristics and wide range of applications make them an integral part of the indus... 48Si7 56Si7 Alloy steel Body structure C100S C125S C55S C60s C67S C75S C85S C90S Chassis component EN 10132-4 Engine parts Spring steel anti-corrosion Dec 21, 2023