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ISO X33CrNiMnN23-3 Details

Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

ISO X33CrNiMnN23-3 Standard Download

X33CrNiMnN23-3 Datasheet
ISO X33CrNiMnN23-3

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X33CrNiMnN23-3 Application:Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines
Category Type Grade Microstructure Designations
Grades Stainless Steels X33CrNiMnN23-3 Austenite International - ISO , ISO 683-15 (1992) - Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines
Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.28 0.38
Si 0.50 1.00
Mn 1.50 3.50
P - 0.050
S - 0.030
Cr 22.00 24.00
Mo - 0.50
Ni 7.00 9.00
W - 0.50
N 0.25 0.35
Mechanical properties of grade X33CrNiMnN23-3
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)
175 (≥) 354 (≥) 12 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Physical properties of grade X33CrNiMnN23-3
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
315 (≥) 443 (≥) 33 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
822 185 399
X33CrNiMnN23-3 Range of products
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
X33CrNiMnN23-3 ISO International
Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines