Categories Solid and Hollow carbon, alloy and stainless steel bars SOLID BARS Solid bars in accordance to ASTM A 36 hot rolled up to 4" SOLID & HOLLOW BARS IN SPECIAL STEEL GRADES Carbon in grades 10XX and alloys in grades 41XX, 43XX, 86XX, 12L14, etc. Hot rolled bars up to 10" Forged bars up to 1 meter wide. Cold drawn bars (calibrated) up to 10"