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41Cr4 1.7035 SCr440 AISI 5140 Alloy steel

Prouduct name: 41Cr4 1.7035 SCr440 AISI 5140 Alloy steel

abstract: 41Cr4 1.7035 SCr440 AISI 5140 Alloy steel

Popular in these Categories: Alloy Steel

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41Cr4 1.7035 SCr440 AISI 5140 Alloy steel
MATERIAL CATEGORY: SAE, AISI, UNS
CHEMICAL COMPOSITION (WEIGHT %)
C (%):    0.38~0.43
Si (%):    0.15~0.35
Mn (%):  0.70~0.90
P (%)≤:  0.035
S (%)≤:  0.040
Cr (%):   0.70~0.90
Ni (%):    -
Mo (%):   -
MECHANICAL PROPERTIES AND HOT WORKING
Mechanical property ≥ σb/MPa:     980
Mechanical property ≥ σs/MPa:     785
Mechanical property ≥ δ5 (%):      9
Mechanical property ≥ ψ (%):       -
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

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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