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UNS HNVl Details

HNVl Application:Steel for intake valves

Category Type Grade Designations
Grades Stainless Steels HNVl USA - UNS ,

Chemical composition(wt.%) of HNVl grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.55
Si 1.50
Mn 0.40
P
S
Cr 8.00
Mo 0.75
Steel for intake valves

Mechanical properties of grade HNVl

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
921 (≥) 452 (≥) 34 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical properties of grade HNVl

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
565 (≥) 884 (≥) 12 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
911 178 414

HNVl - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
HNVl UNS USA
Steel for intake valves
S64005 AISI USA
Steel for intake valves

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