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B 344 Ni80-Cr20

Favorite Datasheet
B 344 Ni35-Cr20 B 564 R20033
#R-20

Description

USA SAE B 344 (2011), B 344 Ni80-Cr20 Specialsteel Drawn or Rolled Nickel-Chromium and Nickel-Chromium-Iron Alloys for Electrical Heating Elements and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 344 Ni80-Cr20
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 344 Ni80-Cr20 Precipitation-Hardening SAE USA Drawn or Rolled Nickel-Chromium and Nickel-Chromium-Iron Alloys for Electrical Heating Elements

Chemical composition(mass fraction)(wt.%) of the B 344 Ni80-Cr20

C Si Mn Cr Ni Mo Co W Al Cu Ti Fe Nb
≤0.12 ≤0.30 ≤0.80 ≤19.00 ≤14.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤1.60

Mechanical Properties of steel grade B 344 Ni80-Cr20

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)
122 (≥) 283 (≥) 34 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade B 344 Ni80-Cr20

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
41 - -     0.13 -  
145 287 - 44.3 413   -  
935 - 31 44.2   243 224

Heat Treatment of steel grade B 344 Ni80-Cr20

Heat treated : 1166°C - 1449°C

Technological Curves of steel grade B 344 Ni80-Cr20

Cross Reference Table (Equivalent Grade) of B 344 Ni80-Cr20

Grade Standard Country Application
R-20
25Cr-20Ni
25Cr-20Ni+
29Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
29Cr-20Ni
29Cr-20Ni
29Cr-20Ni

Relevant standard of B 344 Ni80-Cr20

B 344 (2011) Drawn or Rolled Nickel-Chromium and Nickel-Chromium-Iron Alloys for Electrical Heating Elements B-344-(2011).pdf
B 344 Ni35-Cr20 B 564 R20033
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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