ISO X3CrNiMo18-16-4

Grades | Stainless Steels | X3CrNiMo18-16-4

ISO X3CrNiMo18-16-4 ( Austenite )

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X3CrNiMo18-16-4 Application:Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled

Chemical composition(mass fraction)(wt.%) of the X3CrNiMo18-16-4
Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.030
Cr 17.50 19.50
Mo 3.00 4.00
Ni 14.00 17.00

Mechanical properties of grade X3CrNiMo18-16-4

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
365 (≥) 452 (≥) 31 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical properties of grade X3CrNiMo18-16-4

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
583 (≥) 274 (≥) 44 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
859 525 252 - - -

X3CrNiMo18-16-4 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