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

Description

1.4449 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: 1.4449
Category Type Steel Grade Standard Country Application
Steel GradesAlloy Steel 1.4449
X3CrNiMo 18-12-3
1.4024
1.4057
1.4558
1.4918
1.4912
1.4940
1.4959
1.4982
1.4950

Chemical composition(mass fraction)(wt.%) of the 1.4449

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 ≤0.05  1.00  2.00  0.045  0.015  17.0-18.2  11.5-12.5  2.25-2.75 Cu    1.00
N  ≤ 0.08

Mechanical Properties of steel grade 1.4449

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)
651 (≥) 324 (≥) 22 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade 1.4449

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
21 - -     0.43 -  
886 238 - 44.3 233   -  
826 - 13 34.2   232 234

Heat Treatment of steel grade 1.4449

Heat treated : 1366°C - 1656°C

Technological Curves of steel grade 1.4449


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 1.4449?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top