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Semi-finished Blooms
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Process
Electric Furnace, Argon Stirred, Vacuum Degassed, Continuous Cast, Rolled
Section Size
As-Cast
23.6" x 14.6" (344 in2) 600 mm x 370
mm (222,000 mm 2)
Rolled
| Round Cornered Square (RCS): |
6" to 14" (200 mm to 355 mm) |
| Rectangles: |
6" to 14" thick x 10" to 22" wide (150 mm to
355 mm x 255 mm to 560 mm) |
| Reduction Ratio: |
From 1.7:1 @ 14" RCS To 9.6:1 @ 6" RCS |
Bloom Length
As-Cast: 8'6" to 19'6" (2,591 to 5,944 mm)
Rolled :11'0" to 21'0" (3,353 to 6,401 mm)
Corner Radius
From 5/8" to 1-1/2" (16 to 38 mm), depending on bloom size
End Condition
As-Cast: Torch Cut
Rolled: Hot Sheared
Heat Sizes
As-Cast: 140 NT (127 MT) +/- 10 NT
Rolled: 125 NT (114 MT) +/- 10 NT
Center Soundness
Guaranteed thru 10" (254 mm) RCS for most grades
Reduction Ratio
Based on As-Cast cross sectional area of 344
Microcleanliness
Magnetic Particle - AMS 2301/AMS 2304
Ultrasonic - 1/8" Flat Bottom Hole (Rolled Blooms)
Typical Grades
Carbon - AISI or SAE 1010-1095, 11XX, 15XX
Alloy - AISI or SAE 40XX, 41XX 43XX, 51XX 86XX
ASTM Structural & HSLA
Microalloy, Boron Treated & H-Steels
Other Grades to Customer Chemistries
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