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UNS 314 Details

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314 Application:Special purpose alloys (superalloys)

Category Type Grade Microstructure Designations
Grades Stainless Steels 314 Austenite USA - UNS , SAE J 467 - Special purpose alloys (superalloys)

Chemical composition(wt.%) of 314 grade: SAE J 467

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.25
Si 1.50 3.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 23.0 26.0
Ni 19.0 22.0
Stainless and heat resisting steels

Special purpose alloys (superalloys)

SAE 314

Mechanical properties of grade 314 SAE J 467

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)
989 (≥) 739 (≥) 12 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical properties of grade 314 SAE J 467

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
793 (≥) 366 (≥) 31 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 334
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
273 545 346

314 - 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
314 YB USA
Austenitic Heat Resisting Steel
314 UNS USA
Special purpose alloys (superalloys)
A 270 314 SAE USA
Stainless steel bars and shapes
A 314 314 SAE USA
Stainless steel billets and bars intended only for forging
A 580 type 314 SAE USA
Stainless steel billets and bars intended only for forging
A 473 314 SAE USA
Austenitic stainless steel forgings for general use
S31400 AISI USA
Austenitic Chromium Nickel Heat Resisting Steel
G31410 AISI USA
Steel for intake valves
NV4(3140) UNS USA
Steel for intake valves
G31400 AISI USA
Steel for intake valves
314S25 B.S. UK
Specification for stainless and heat-resisting steel round wire
X45Cr13 DIN Germany
Corrosion-resistant high-temperature steel
1.3541 DIN Germany
Corrosion-resistant high-temperature steel

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