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

Description

MT-309S High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: MT-309S
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy MT-309S
MT443
MT446-1
MT446-2
29-4
29-4-2
MT-301
MT-302
MT-304
MT-304L
MT-305

Chemical composition(mass fraction)(wt.%) of the MT-309S

 

 

C
Si
Mn
P
S
Cr Ni
0.08 1 2 0.04 0.03 22-24 12-15
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade MT-309S

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)
821 (≥) 192 (≥) 34 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade MT-309S

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 - -     0.24 -  
362 398 - 42.3 111   -  
625 - 13 23.2   133 134

Heat Treatment of steel grade MT-309S

Heat treated : 1128°C - 1254°C

Technological Curves of steel grade MT-309S


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 MT-309S?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top