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CHROMEL

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CARPENTER 20 Cb 3 CHROMEL A
#Chromel

Description

USA UNS SAE J 470 (1976), CHROMEL Specialsteel Wrought nickel and nickel-related alloys and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: CHROMEL
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel CHROMEL Precipitation-Hardening UNS USA Wrought nickel and nickel-related alloys

Chemical composition(mass fraction)(wt.%) of the CHROMEL

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co B
≤0.15 ≤0.25 ≤0.25 ≤ ≥ ≤ ≥ ≤remaining 9.00 -11.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤0.50 ≤ ≥ ≤ ≥ 0.003 -0.015

Mechanical Properties of steel grade CHROMEL

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)
733 (≥) 553 (≥) 42 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade CHROMEL

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
22 - -     0.31 -  
841 729 - 21.3 321   -  
882 - 33 31.2   122 324

Heat Treatment of steel grade CHROMEL

Heat treated : 1866°C - 1716°C

Technological Curves of steel grade CHROMEL

Cross Reference Table (Equivalent Grade) of CHROMEL

Grade Standard Country Application
Chromel

Relevant standard of CHROMEL

SAE J 470 (1976) Wrought nickel and nickel-related alloys SAE-J-470-(1976).pdf
CARPENTER 20 Cb 3 CHROMEL A
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