AFNOR X7CrNiMoBNb16-6

Grades | Stainless Steels | X7CrNiMoBNb16-6

AFNOR X7CrNiMoBNb16-6

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X7CrNiMoBNb16-6 Application:Creep resisting steels, nickel and cobalt alloys

Chemical composition(mass fraction)(wt.%) of the X7CrNiMoBNb16-6
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.04 0.10
Si 0.30 0.60
Mn - 1.50
P - 0.045
S - 0.030
Cr 15.50 17.50
Ni 15.50 17.50
Mo 1.60 2.00
Nb+Ta 10XC% 1.20
B 0.050 0.10

Mechanical properties of grade X7CrNiMoBNb16-6

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
451 (≥) 171 (≥) 22 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical properties of grade X7CrNiMoBNb16-6

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
932 (≥) 848 (≥) 12 23 34 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		 - - -
619 297 279 - - -

X7CrNiMoBNb16-6 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