Location » Home » Grades > Stainless Steels > NV4(3140)

NV4(3140) Enquiry | Print this page

UNS NV4(3140) Details

UNS NV4(3140) Standard Download

Tags

NV4(3140) Application:Steel for intake valves

Category Type Grade Designations
Grades Stainless Steels NV4(3140) USA - UNS ,

Chemical composition(wt.%) of NV4(3140) grade:

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.38 0.43
Si 0.15 0.30
Mn 0.70 0.90
P - 0.04
S - 0.04
Cr 0.35 0.65
Ni 1.10 1.40
Steel for intake valves

Mechanical properties of grade NV4(3140)

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)
541 (≥) 749 (≥) 11 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical properties of grade NV4(3140)

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
294 (≥) 256 (≥) 31 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
324 595 434

NV4(3140) - 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
NV4(3140) UNS USA
Steel for intake valves

Enquiry