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Description

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

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

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

C Si Mn Cr Ni Mo
0.45 - ≥ 0.50 - ≥ 0.50 - ≥ 23.5 - ≥ 4.80 - ≥ 2.80 - ≥

Mechanical Properties of steel grade EVl

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)
333 (≥) 861 (≥) 44 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade EVl

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
11 - -     0.32 -  
391 251 - 32.3 423   -  
567 - 41 22.2   333 311

Heat Treatment of steel grade EVl

Heat treated : 1243°C - 1346°C

Technological Curves of steel grade EVl

Cross Reference Table (Equivalent Grade) of EVl


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