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X6CrNiMoB17-12-2 Application:Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
Category Type Steel grade Standard Country
Grades Special Alloy X6CrNiMoB17-12-2 AFNOR France

Chemical composition % of the ladle analysis of grade X6CrNiMoB17-12-2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%) B(%)
0.04-0.08 Max 1.00 Max 2.00 Max 0.035 Max 0.015 16.5-18.5 10.0-13.0 2.00-2.50 Max 0.11 0.0015-0.0050
X6CrNiMoB17-12-2
Mechanical properties of grade X6CrNiMoB17-12-2
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)
419 (≥) 314 (≥) 12 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Physical properties of grade X6CrNiMoB17-12-2
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
365 (≥) 573 (≥) 13 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
381 638 828
X6CrNiMoB17-12-2 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
X6CrNiMoB17-12-2 AFNOR France
Creep resisting steels, nickel and cobalt alloys
1.4919 AFNOR France
Creep resisting steels, nickel and cobalt alloys

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