EN X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640

Grades | Stainless Steels | X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640

EN X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 ( Austenite )

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X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 Application:used for fasteners, heat exchangers, coolers, tanks, pumps, pipelines and similar equipment of refineries, paper mills, food processing plants and chemical plants

Chemical composition(mass fraction)(wt.%) of the X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640
Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.080
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.015
Cr 16.50 18.50
Mo 2.00 2.50
Ni 10.50 13.50
Nb 10×C 1.00

Mechanical properties of grade X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
583 (≥) 669 (≥) 33 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical properties of grade X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
382 (≥) 281 (≥) 41 24 44 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		 - - -
638 961 858 - - -

X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 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