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B 468 N08020

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B 464 N08020 B 472 N08020
#20Cb-3 #N08020

Description

USA SAE B 468 (2010), B 468 N08020 Specialsteel Standard Specification for Welded UNS N08020 Alloy Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 468 N08020
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 468 N08020 Austenite SAE USA Standard Specification for Welded UNS N08020 Alloy Tubes

Chemical composition(mass fraction)(wt.%) of the B 468 N08020

C Mn Si P S Cr Ni Mo Cu Nb
≤0.07 ≤2.00 ≤1.00 ≤0.045 ≤0.035 19.00 -21.00 32.00 -38.00 2.00 -3.00 3.00 -4.00 8×C％ -1.00

Mechanical Properties of steel grade B 468 N08020

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
199 (≥) 411 (≥) 43 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade B 468 N08020

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
32 - -     0.31 -  
315 683 - 31.3 314   -  
382 - 43 13.2   411 314

Heat Treatment of steel grade B 468 N08020

Heat treated : 1625°C - 1575°C

Technological Curves of steel grade B 468 N08020

Cross Reference Table (Equivalent Grade) of B 468 N08020

Grade Standard Country Application
20Cb-3,20Mo-4,20Mo-6
N08020
N08020

Relevant standard of B 468 N08020

B 468 (2010) Standard Specification for Welded UNS N08020 Alloy Tubes B-468-(2010).pdf
B 464 N08020 B 472 N08020
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