CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.13 ~ 0.18
Si (%): 0.15 ~ 0.35
Mn (％): 0.75 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.040
Cr (%): 0.70 ~ 0.90
Ni (%): -
Mo (%): -
MECHANICAL PROPERTIES AND HOT WORKING
Mechanical property ≥ σb/MPa: 735
Mechanical property ≥ σs/MPa: 490
Mechanical property ≥ δ5 (%): 11
Mechanical property ≥ ψ (％): 45
Hardness /annealed COND:
Hot working temperature /℃: 1100～850
MAIN FEATURES AND MELTING PROCESS
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
Custom
Assurance
Brand
Logistics