... C45 CK45 Cm45 AIIS1045 SAE1045 ASTM1045 XC45 carbon structural steel high quality Grade: 45# 45B S45C C45 CK45 Cm45 AIIS1045 SAE1045 ASTM1045 ... in Laiwu, meaning that we can supply our customers with high-quality and low-cost products. We can also provide steel products ... our customers' needs. Our main products are H beam steel, angle steel, round steel, steel billet, strip steel, gear steel, twisted ...