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DIN Cronifer 40 B Details

Cronifer 40 B

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Cronifer 40 B Application:Cronifer 40 B

Category Type Grade Designations
Grades Stainless Steels - Special Steels Cronifer 40 B Germany - DIN ,

Chemical composition(wt.%) of Cronifer 40 B grade:

Elements Min.(≥) Max.(≤)
Ni 36.0000 39.0000
Cr 20.0000 23.0000
C - 0.1200
Mn - 1.0000
Si 1.3000 2.2000
Al - 0.5000
La 0.0300 0.2000
S - 0.0300
P - 0.0300
Cu - 0.5000

Mechanical properties of grade Cronifer 40 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)
578 (≥) 227 (≥) 14 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade Cronifer 40 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
432 (≥) 468 (≥) 11 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
374 763 473

Cronifer 40 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
A 213 N08925 SAE USA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 N08925 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 N08925 SAE USA
Stainless Steel Bars and Shapes
A 312 N08925 SAE USA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 479 N08925 SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
B 625 N08925 SAE USA
UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip
B 649 N08925 SAE USA
Standard Specification for Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, UNS N08354, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire, and Ni-Cr-Fe-Mo-N Alloy (UNS N08936) Wire
B 673 N08925 SAE USA
Standard Specification for UNS N08925, UNS N08354, and UNS N08926 Welded Pipe
B 674 N08925 SAE USA
Standard Specification for UNS N08925, UNS N08354, and UNS N08926 Welded Tube
B 677 N08925 SAE USA
UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube
N08925 AISI USA
Nickel Iron Chromium Molybdenum Copper Alloy
SB-625 N08925 AMS USA
UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip
SB-649 N08925 AMS USA
Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire
SB-673 N08925 AMS USA
Specification for UNS N08904, UNS N08925 and N08926 Welded Pipe
SB-674 N08925 AMS USA
Specification for UNS N08904, UNS N08925 and UNS N08926 Welded Tube
SB-677 N08925 AMS USA
UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube
Cronifer 40 B DIN Germany
Cronifer 40 B
G4000 SAE USA
Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
G4000a SAE USA
Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
GH1040 GB China
Classification and designation for superalloys and high temperature intermetallic materials

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