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

China GB Y40Mn 易切削结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Y40Mn / Y40Mn
Category Grade Standard Region/Area Standard Content
Metals Y40Mn GB/T 8731 China 易切削结构钢

Chemical composition(mass fraction)(wt.%) of the Y40Mn

Element Min Max Similar
P - 0.0500 -
S 0.2000 0.3000 -
Mn 1.2000 1.5500 -
Si 0.1500 0.3500 -
C 0.3700 0.4500 -

Mechanical Properties of steel grade Y40Mn

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)
299 (≥) 245 (≥) 31 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade Y40Mn

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 - -     0.33 -  
217 176 - 23.3 121   -  
496 - 21 41.2   123 311

Heat Treatment of steel grade Y40Mn

Heat treated : 1638°C - 1843°C

Technological Curves of steel grade Y40Mn

Cross Reference Table (Equivalent Grade) of Y40Mn

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 Y40Mn?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top