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28NiCrM0V8-5

28NiCrM0V8-5 EN 10250-3:1999, Number: 1.6932  
 
Comparison of steel grades
JUS -
DIN 28NiCrM0V8 5
BS -
GOST -
AISI -
NF -

 

Under EN 10250-3:1999 standard ,28NiCrM0V8-5  steel  plate specifications held in the austenitic, martensitic and precipitation hardening varieties. Stocks are held in EN Standard and International standards. Below lists the 28NiCrM0V8-5 steel plate Detail Descripttion.

28NiCrM0V8-5 steel plate Chemical analysis -% by mass 

Chemical elements C Si Mn P max. S
max.
Cr Mo Ni V
%, by mass 0,24- 0,32 £ 0,40 0,15-0,40 0.035 0.035 1,00-1,50 0,35-0,55 1,80-2,10 0,05-0,15
Permissible deviation ± 0,02 + 0,03 ± 0,04 + 0,005 + 0,005 ± 0,05 ± 0,06 ± 0,05 ± 0,02

At the option the manufacturer the elements aluminium, titanium, vanadium and niobium may be added singly or in combination for grain control 
    purposes. Elements not quoted in tables shall not be added intentionally to the steel without the agreement of the purchaser, except for the purpose 
    of finishing the heat.   Mechanical properties in the quenched and tempered condition

Thickness of ruling section tR
Diameter in mm
tR ≤ 160mm 160< tR ≤330mm 330<tR≤660mm 
Re min. (N/mm2) 630 590 590
Rm min. (N/mm2) 800 750 750
A % min.
l-longitudinal
14 15 15
tr -transverse
10 11 11
KV min (J)
l-longitudinal
45 40 40
tr -transverse
25 21 21

  1N/mm2=1MPa  Heat treatment conditions 

  Quenching temperature, 0C     Tempering temperature, 0C
830 to 870 550 to 850

Quenching from hardening may be carried out in oil, water, or water  based solutions. Caution should be observed in the use of water  as a 
           quenching medium  to avoid the risk of cracking the forgings

Source:

Tags: 28NiCrM0V8-5

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