Available 24/7 at contact@steel-grades.com

Description

USA UNS HEV7 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HEV7
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HEV7 UNS USA Steel for exhaust valves

Chemical composition(mass fraction)(wt.%) of the HEV7

C Si Mn P S Cr Ni Mo
≤0.08 ≤0.70 ≤1.50 ≤ ≥ ≤ ≥ ≤14.75 ≤26.0 ≤1.25

Mechanical Properties of steel grade HEV7

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)
813 (≥) 659 (≥) 23 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade HEV7

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 -  
394 311 - 34.3 424   -  
293 - 14 32.2   241 231

Heat Treatment of steel grade HEV7

Heat treated : 1365°C - 1715°C

Technological Curves of steel grade HEV7

Cross Reference Table (Equivalent Grade) of HEV7

Grade Standard Country Application
HEV7
SAE HEV7
SAE HEV7
S66286
S66286
S66286
UNS S66286
UNS S66286
A-286
A-286

Available Suppliers

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 HEV7?
  • List your company on S&G now? Join
  • Non-paying users only
Top