Chinese
Available 24/7 at contact@steel-grades.com
SGSG
Post Your Request Now
Toggle menu
Hello, Sign inMy Account

NiFe 25 Cr 20 NbTi

Favorite Datasheet
HARPER 200 R20033
#R-20

Description

USA UNS SAE J 775 (2004), NiFe 25 Cr 20 NbTi Specialsteel Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NiFe 25 Cr 20 NbTi
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel NiFe 25 Cr 20 NbTi Precipitation-Hardening UNS USA Engine poppet valve information report

Chemical composition(mass fraction)(wt.%) of the NiFe 25 Cr 20 NbTi

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 NiFe 25 Cr 20 NbTi

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)
276 (≥) 598 (≥) 21 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade NiFe 25 Cr 20 NbTi

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
42 - -     0.42 -  
171 868 - 24.3 113   -  
447 - 34 43.2   224 441

Heat Treatment of steel grade NiFe 25 Cr 20 NbTi

Heat treated : 1654°C - 1216°C

Technological Curves of steel grade NiFe 25 Cr 20 NbTi

Cross Reference Table (Equivalent Grade) of NiFe 25 Cr 20 NbTi

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 NiFe 25 Cr 20 NbTi

SAE J 775 (2004) Engine poppet valve information report SAE-J-775-(2004).pdf
HARPER 200 R20033
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
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...

Rfq.: sales@longhaisteel.com
  • Do you supply this NiFe 25 Cr 20 NbTi?
  • List your company on S&G now? Join
  • Non-paying users only
Top