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28NiCrMoV8-5(1)

28NiCrMoV8-5(1)  EN 10250-3:1999, Number: 1.6932 Comparison of steel grades
JUS -
DIN 28NiCrMoV8 5
BS -
GOST -
AISI -
NF -

 

Under EN 10250-3:1999 standard ,28NiCrMoV8-5(1) Stainless Steel specifications held in the austenitic, martensitic and precipitation hardening varieties. the 28NiCrMoV8-5(1)  steel plate  Stocks are held in British Standard and International standards. Below lists the  28NiCrMoV8-5(1)  steel plate/sheet Detail Descripttion.

28NiCrMoV8-5(1)  Stainless Steel 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

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