C (％): 0.11 ~ 0.17 Si (％): ≤ 0.25 Mn (％): 0.80 ~ 1.10 P (％)≤: 0.020 S (％)≤: 0.015 Cr (％): 1.25 ~ 1.50 Mo (％): 0.80 ~ 1.00 Ni (％): -
V (%): 0.20 ~ 0.30
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100～850 Heat treatment temperature /℃| annealing: 730～780
Heat treatment temperature /℃| Normalizing: 840～970 Heat treatment temperature /℃| Quenching: 940~980 oil or water Heat treatment temperature /℃| Tempering : - Hardness after annealing ≤HBS: 110
Black bar /Flat bar / Square bar /Pipe, /Steel strip, /sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
PRODUCT PROFILE AND SUPPLYING FORMS Round bar (Diameter): 0.50mm to 800mm Square bar / Flat bar: 3mm to 800mm Length: random length, fixed length or based on the customer's special requirement. Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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