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HARPER 200

Favorite Datasheet
ER 209 NiFe 25 Cr 20 NbTi
#R-20

Description

USA UNS SAE J 470 (1976), HARPER 200 Specialsteel Wrought nickel and nickel-related alloys and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HARPER 200
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel HARPER 200 Precipitation-Hardening UNS USA Wrought nickel and nickel-related alloys

Chemical composition(mass fraction)(wt.%) of the HARPER 200

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 HARPER 200

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)
247 (≥) 135 (≥) 24 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade HARPER 200

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
13 - -     0.34 -  
646 934 - 22.3 214   -  
669 - 41 11.2   131 131

Heat Treatment of steel grade HARPER 200

Heat treated : 1428°C - 1164°C

Technological Curves of steel grade HARPER 200

Cross Reference Table (Equivalent Grade) of HARPER 200

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 HARPER 200

SAE J 470 (1976) Wrought nickel and nickel-related alloys SAE-J-470-(1976).pdf
ER 209 NiFe 25 Cr 20 NbTi
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