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DIN Nicrofer 5520 Co B - Alloy 617 B Details

Nicrofer 5520 Co B - Alloy 617 B Application:Nicrofer 5520 Co B - Alloy 617 B

Category Type Grade Designations
Grades Stainless Steels - Special Steels Nicrofer 5520 Co B - Alloy 617 B Germany - DIN ,

Chemical composition(wt.%) of Nicrofer 5520 Co B - Alloy 617 B grade:

Elements Min.(≥) Max.(≤)
Cr 21.0000 23.0000
Fe - 1.5000
C 0.0500 0.0800
Mn - 0.5000
Si - 0.3000
Co 11.0000 13.0000
S - 0.0800
Ti 0.2500 0.5000
Mo 8.0000 10.0000
Nb - 0.6000
P - 0.0120
Al 0.8000 1.3000
V - 0.6000
B 0.0010 0.0050
Nicrofer 5520 Co B - Alloy 617 B

Mechanical properties of grade Nicrofer 5520 Co B - Alloy 617 B

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)
525 (≥) 355 (≥) 42 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical properties of grade Nicrofer 5520 Co B - Alloy 617 B

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
548 (≥) 545 (≥) 33 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
273 374 473

Nicrofer 5520 Co B - Alloy 617 B - Form of Supply

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
Nicrofer 3718 So* - Alloy DS* DIN Germany
Nicrofer 3718 So* - Alloy DS*
Nicrofer 5520 Co B - Alloy 617 B DIN Germany
Nicrofer 5520 Co B - Alloy 617 B
1Cr18Ni9Si3 GB China
Cold rolled steel sheet
A 565 S41800 SAE USA
Martensitic Stainless Steel Bars for High-Temperature Service
S41800 AISI USA
Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel
HEV2 UNS USA
Steel for exhaust valves
N07002 AISI USA
Steel for exhaust valves
N07750 AISI USA
Steel for exhaust valves
HEV3 UNS USA
Steel for exhaust valves
N07751 AISI USA
Steel for exhaust valves
Nivco-10 UNS USA
Special Purpose Alloys ("Superalloys")
UmCo-50 SAE USA
Special Purpose Alloys ("Superalloys")
UmCo-51 SAE USA
Special Purpose Alloys ("Superalloys")
Fe-Ni29Co-17 AFNOR France
Nickel and nickel alloys. Iron-nickel alloys with particular dilatability
X3NiCoMoTi18-9-5 DIN Germany
High alloyed NiCoMo steel
X165CrCoMo12 DIN Germany
High alloyed CrCoMo steel
X210CrCoW12 DIN Germany
High alloyed CrCoW steel
Incoloy 800 UNS USA
Equipment used in the manufacture of resistance to stress corrosion cracking

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