Steel rod

hot-rolled

Heat Treated Bars ​​​​Heat treating broadens the spectrum of properties that can be reached with special bar quality steel bars. The heat treatment of bars can be performed to improve machinability, increase toughness, improve cold forming characteristics, alter hardness and tensile strength up or down, to relieve residual stress, and to improve shearability. Gerdau's in-house heat treating includes: cold shear annealing, thermal stress relieving, normalizing, lamellar pearlitic annealing, spheroidize annealing, and quench and tempering. Gerdau can also develop customized heat treat cycles to meet our customers' specialized requirements. Product Information Available Grades Bearing Steels to ASTM A295, A485, A534, and A866 (e.g. 1053, 1070, 4118, 4320, 4820, 5120, 8620) Aircraft Quality Steel to AMS 2301 and AMS 2304 All ASTM A-29 and SAE Carbon, Resulfurized and Rephosphorized Steels (1008 to 1095, 11xx, 12xx, 15xx) All ASTM A-29 and SAE Ally Steels (13xx, 40xx, 41xx, 43xx, 44x, 46xx, 47xx, 48xx, 50xx, 51xx, 61xx, 81xx, 86xx, 87xx, 92xx, 93xx, 94xx, and EX or PS grades) Boron Steels, Micro-alloyed and Calcium Treated Steels German (DIN), Japanese (JAS & JIS), and International Standards (ISO) Restrictive and special chemistries are welcomed. Please inquire. Quality Hot Rolled Bars Total Decarburization: 0.008" to 0.012" Max. (0.2 mm to 0.3 mm) Max. Defect Depth: MFLT* Verification Size Tolerance: 50% ASTM A-29 Macro ASTM E381: S1-R1-C2 Micro ASTM E45: A295, A485, A534 and A866 Precision Hot Rolled Bars Total Decarburization: 0.008" to 0.012" Max. (0.2 mm to 0.3 mm) Max. Defect Depth: MFLT* Verification Size Tolerance: 25% AISI and ASTM A-29