"cold drawn tubes"

5 밀리미터 ~ 200 밀리미터 탄소강은 ASTM C45 S4c Ck45 이음새가 없 용접 온화한 합금 표면가공도를 방해합니다

Machine Manufacturing 5mm~200mm ASTM C45 S4c Ck45 Seamless Welding Mild Carbon Steel Bar Alloy Surface Finish Product Description Carbon steel refers to iron-carbon alloy with carbon content of less than 1.35%, which also contains impurities such as silicon, manganese, phosphorus, sulfur and other trace residual elements within limited limits. Carbon steel is the earliest used in modern industry, the largest amount of basic materials, the world's industrial countries, in the