1.2739
2020-11-26 08:27:55 Origin： Remark：0 Click：
Description 1.2739 Round bar, flat bar, plate and forgings, 1.2739 produced Steelmaking, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined.
TECHNICAL DATA SHEET - Grade EN 1.2739
CHEMICAL COMPOSITIONS (mass weight %)
C (％): 0.37 ~ 0.43
C (％): 0.37 ~ 0.43
Si (％): 1.30 ~ 1.60
Mn (％): 0.30 ~ 0.90
P (％)≤: 0.030
S (％)≤: 0.025
P (％)≤: 0.030
S (％)≤: 0.025
Cr (%): 0.50 ~ 0.80
Ni (%): 0.70 ~ 1.00
Mo (%): 0.30 ~ 0.45
V (%): 0.07 ~ 0.12
HEAT TREATMENT PRACTICE AND HARDNESS
Annealed hardness, ≤ HB: 255
Annealing temperature /℃: 820 ~ 850
Cooling medium: Oil or Air
MELTING PROCESS
This alloy is generally smelt in Non-vacuum furnace + ESR, Electric Arc Furnace (EAF).
For a purpose of superior quality, it should be smelt via technology of Electroslag remelting or vacuum refining or by agreement.
PRODUCT PROFILE
Round bar (Diameter): 5.5 to 430mm
Steel strip: THK0.15 ~ 2.50 X W8.0 ~ 610mm
Length: Fixed length or random length or based on the customer's special requirement.
This alloy is generally smelt in Non-vacuum furnace + ESR, Electric Arc Furnace (EAF).
For a purpose of superior quality, it should be smelt via technology of Electroslag remelting or vacuum refining or by agreement.
PRODUCT PROFILE
Round bar (Diameter): 5.5 to 430mm
Steel strip: THK0.15 ~ 2.50 X W8.0 ~ 610mm
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, Email: sales@ccsteels.com.
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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