EN48A datasheet,EN48A chemical,EN48A heat treatment

EN48A
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Description EN48A datasheet, EN48A Chemical, EN48A Properties from Steelmaking, Blooming, Hot forging, Hot rolling, Heat treat, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL DATA SHEET - Grade EN48A

MATERIAL CATEGORY - low alloy steel with high tensile
TECHNICAL SPECIFICATION - BS970 Part 5
MELTING: Consumable electrode remelted steel
OFFICIAL TEST REPORT - issued by TUV - SGS -  BV
CHEMICAL COMPOSITIONS (WEIGHT - %)
C (%):     0.50 ~ 0.60
Mn (%):   0.60 ~ 0.90
Si (%):    1.35 ~ 1.65
P (%)≤:   0.035
S (%)≤:   0.025
Cr (%):    0.55 ~ 0.85
Ni (%):     -
Mo (%):    -
MECHANICAL PROPERTY AND HARDNESS
Quenching temperature /℃:860, oil cooled
Tempering temperature /℃:450
Tensile strength,σb/≥ MPa: 1350
Yield strength, σ0.2/≥ MPa: 1250
Elongation, δ ≥(%): 5.0
Reduction of area, ф ≥(%): 25.0
Hardness in condition of annealing +A: HB321 max.
MELTING PROCESS & APPLICATION
This
alloy is generally smelt in Electric Arc Furnace  (EAF), EAF+LF+VD, BEF + Electroslag remelting (ESR).
For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
It is suitable for applications such as high tensile shafts, bolts and nuts, gears, pinions spindles and so on. 
AVAILABLE FORMS & DIMENSIONS
Round bar: 5.5mm to 450mm
Square bar / Flat bar: 10mm to 550mm
Length: Fixed length or random length or based on the customer's special requirement.
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. E-mail:
sales@ccsteels.com.

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