Chinese
Available 24/7 at sales@steel-grades.com
SGSG
Post Your Request Now
Toggle menu

40Mn

Favorite Datasheet
35Mn 45Mn
#40Mn

Description

China GBT 40Mn China structural steel and alloy steel and 40Mn Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40Mn
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40Mn GBT China China structural steel and alloy steel
65
70
75
80
85
15Mn
20Mn
25Mn
30Mn
35Mn

Chemical composition(mass fraction)(wt.%) of the 40Mn

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.37-0.44 0.17-0.37 0.70-1.00 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade 40Mn

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)
587 (≥) 915 (≥) 14 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 40Mn

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
12 - -     0.32 -  
292 829 - 21.3 312   -  
998 - 23 33.2   141 312

Heat Treatment of steel grade 40Mn

Heat treated : 1371°C - 1119°C

Technological Curves of steel grade 40Mn

Cross Reference Table (Equivalent Grade) of 40Mn

Grade Standard Country Application
40Mn10 STAS/SR Romania Structural steel
40Mn GBT China China structural steel and alloy steel
YF40MnV GBT China China structural steel and alloy steel
F40MnV GBT China China structural steel and alloy steel
40Mn2 GBT China China structural steel and alloy steel
40MnB GBT China China structural steel and alloy steel
40MnVB GBT China China structural steel and alloy steel
40MnBH GBT China China structural steel and alloy steel
Y40Mn GBT China China structural steel and alloy steel
ZG40Mn GBT China Large castings with low alloy cast steel
ZG40Mn2 GBT China Large castings with low alloy cast steel
35Mn 45Mn
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 40Mn?
  • List your company on S&G now? Join
  • Non-paying users only
Top