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Hot Rolled Engineered Bars

Gerdau produces special bar quality engineered hot rolled steel bar rounds in diameters ranging from 5/8" (15.875mm) to 6-1/16" (154mm), and long lengths ranging from 15' (4.6m) to 40' (12.2m), and in some locations up to 60'. These bars are converted into safety-critical parts used in the automotive, commercial, agricultural, and military segments, along with other critical applications in the oil and gas, aerospace, energy, and industrial markets. Typical applications in a vehicle include wheel hub and spindles, transmissions, differential gears and shafts, semi and full float axles, crankshafts, camshafts, connecting rods, constant velocity joints, transmission pulleys, coils springs and stabilizer bars. Other market applications would include landing gear components, bearings, sucker rods, drill collars, drill pipes, tank track parts, firearms and pressure tubing.

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

 

Bar Size and Length Range

 

Hot Rolled Bar Size Ranges

Diameter: 5/8" - 6-1/16"

Lengths: 15' - 40' (Inquire for shorter or longer lengths)

 

Precision Hot Rolled Bar Size Ranges

Diameter: 1"– 5"

Lengths: 15'– 40' (Inquire for shorter or longer lengths)

 

Semi-Finished Bar Size Ranges

Diameter: 6"– 9 1/4" (152 mm to 235 mm)

Lengths: 12'– 32' 

 

Heat Size

90–100 Ton Heats (85–90 Metric Tons)

40–50 Ton Heats (35–45 Metric Tons) 

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