MATERIAL CATEGORY: SAE, AISI, UNS system alloy structural steel
CHEMICAL COMPOSITION (WEIGHT %) C (％): 0.19 ~ 0.25
Si (%): 0.15 ~ 0.35 Mn (％): 0.60 ~ 0.95
P (％)≤: 0.025
S (％)≤: 0.025
Cr (%): 0.35 ~ 0.65
Mo (%): 0.15 ~ 0.25
Ni (%): 0.35 ~ 0.75
END-QUENCH (hardenability) TEST TEMPERATURE
Heat treatment temperature /normalizing: 930 ℃
Heat treatment temperature /quenching: 930 ℃ The steels shall be manufactured by melting process EF, LF + EAF+ VD, IFF + ESR Melted. VIM + ESR can be handled by agreement. Forgings may be furnished in one of the following conditions: stress relieving; annealing; solution treatment; solution treatment and ageing; normalizing; normalizing and tempering; or quenching and tempering. TYPICAL APPLICATIONS Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on. Power generation – turbine fasteners – boiler support rods Process plant – fasteners Mechanical gears, gear shaft, main axis, valve rods Mechanical parts - connecting rods, bolts and nuts Multidiameter shafts 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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