AISI/SAE 50B20 datasheet,AISI/SAE 50B20 chemical,AISI/SAE 50B20 heat treatment

AISI/SAE 50B20
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Technical specification of SAE/AISI/UNS system standard alloy structural steel AISI 50B20 data sheet, SAE 50B20 Chemical compositions,AISI 50B20 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.
MATERIAL TECHNICAL DATA SHEET -  AISI/SAE 50B20

MATERIAL CATEGORY: SAE, AISI, UNS system alloy structural steel
MATERIAL SPECIFICATIONS: SAE J1249 -2000
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS BV
CHEMICAL COMPOSITION (WEIGHT %)
C (%):    0.17~0.23
Si (%):    0.20~0.35
Mn (%):  0.70~1.00
P (%)≤:  0.040
S (%)≤:  0.040
Cr (%):   0.35~0.60
Ni (%):    -
Mo (%):   -
B (%):     ≥ 0.0005
MECHANICAL PROPERTIES AND HOT WORKING
Mechanical property ≥ σb/MPa:     835
Mechanical property ≥ σs/MPa:     540
Mechanical property ≥ δ5 (%):      10
Mechanical property ≥ ψ (%):       40
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.  

TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
- Email us:
lh.steel@hotmail.com

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