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SNCM447 45CrNiMoVA Alloy steel

Prouduct name: SNCM447 45CrNiMoVA Alloy steel

abstract: SNCM447 45CrNiMoVA Alloy steelMATERIAL STANDARDS: GB/T3077,JIS G4053CHEMICAL COMPOSITION (WEIGHT %)

Popular in these Categories: Alloy Steel

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SNCM447 45CrNiMoVA Alloy steel
MATERIAL STANDARDS: GB/T3077,JIS G4053
CHEMICAL COMPOSITION (WEIGHT %)
C (%):    0.44 ~ 0.50
Si (%):    0.15 ~ 0.35
Mn (%):  0.60 ~ 0.90
P (%)≤:  0.030
S (%)≤:  0.030
Cr (%):   0.60 ~ 1.00
Ni (%):    1.60 ~ 2.00
Mo (%):  0.15 ~ 0.30
Cu (%):   ≤ 0.30
HEAT TREATMENT & MECHANICAL PROPERTIES
Quenched 820 ~ 870℃, oil cooled 
Tempered 580 ~ 680, rapid cooled 
Mechanical property ≥ σb/MPa: 1030
Mechanical property ≥ σs/MPa: 930
Mechanical property ≥ δ5 (%): 14
Mechanical property ≥ ψ (%): 40
Mechanical property ≥ Akv J/cm2): 59
Hardness / COND QT.HB: 302 ~ 368
    
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Yield strength σ0.2≥/MPa|200℃:    500
Yield strength σ0.2≥/MPa|300℃:    460
Yield strength σ0.2≥/MPa|350℃:    441
Yield strength σ0.2≥/MPa|400℃:    412
Yield strength σ0.2≥/MPa|450℃:    372
Yield strength σ0.2≥/MPa|500℃:    334
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

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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