AISI/SAE 4820 datasheet,AISI/SAE 4820 chemical,AISI/SAE 4820 heat treatment

AISI/SAE 4820
2016-04-28 09:57:15   Origin:   Remark:0 Click:

Description AISI 4820 Ex-stock, Suppliers SAE 4820 Inventory, AISI 4820 Mechanical properties from Steelmaking, ESR melted, Blooming, Hot forging,Hot rolling,Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining. Technical specification ASTM SAE J1249 -2000. We also possess the advanced precision machining equipments for catering for your different special requirements.
RAW MATERIAL DATA SHEET - Grade AISI/SAE 4820

MATERIAL CATEGORY: SAE, AISI, UNS system alloy structural steel
MATERIAL SPECIFICATIONS: SAE J1249 -2000
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS BV
CHEMICAL COMPOSITION (Mass weight - %)
C (%):    0.18 ~ 0.23
Si (%):    0.15 ~ 0.35
Mn (%):  0.50 ~ 0.70
P (%)≤:  0.035
S (%)≤:  0.040
Cr (%):   -
Ni (%):   3.25 ~ 3.75
Mo (%):  0.20 ~ 0.30
MECHANICAL PROPERTIES AND HOT WORKING
Mechanical property ≥ σb/MPa: 685
Mechanical property ≥ σs/MPa: 460
Mechanical property ≥ δ5 (%): -
Mechanical property ≥ ψ (%):  -
Hardness /HB: 197
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.

PROFILE AND SUPPLYING SIZES
Round bar (Diameter): 5.5mm 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 ~ 300mm 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. 
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.

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