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X6CrNiMoNb17-12-2 Application:Stainless steel
Category Type Steel grade Standard Country
Grades Special Alloy X6CrNiMoNb17-12-2 DIN Germany

Chemical composition % of the ladle analysis of grade X6CrNiMoNb17-12-2

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Nb(%)
Max 0.08 Max 1.00 Max 2.00 Max 0.045 Max 0.015 10.5-13.5 10.5-13.5 2.00-2.50 Max 1.00
X6CrNiMoNb17-12-2
Mechanical properties of grade X6CrNiMoNb17-12-2
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)
635 (≥) 283 (≥) 13 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414
Physical properties of grade X6CrNiMoNb17-12-2
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
338 (≥) 276 (≥) 31 31 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
975 971 237
X6CrNiMoNb17-12-2 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
X6CrNiMoNb17-12-2 DIN Germany
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4580 DIN Germany
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X6CrNiMoNb17-12-2 DIN Germany
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4580 DIN Germany
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X6CrNiMoNb17-12-2 DIN Germany
Stainless steels - Chemical composition
X6CrNiMoNb17-12-2, 1.4580, AISI 316Cb, UNS S31640 DIN Germany
used for fasteners, heat exchangers, coolers, tanks, pumps, pipelines and similar equipment of refineries, paper mills, food processing plants and chemical plants

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