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

America AWS EC439 Specification for stainless steel flux cored and metal cored welding electrodes and rods 4th edition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EC439 / EC439
Category Grade Standard Region/Area Standard Content
Metals EC439 AWS A5.22/A5.22M America Specification for stainless steel flux cored and metal cored welding electrodes and rods 4th edition

Chemical composition(mass fraction)(wt.%) of the EC439

Element Min Max Similar
Ti 0.4000 1.1000 -
Cu - 0.7500 -
S - 0.0300 -
P - 0.0300 -
Si - 0.8000 -
Mn - 0.8000 -
Mo - 0.5000 -
Ni - 0.6000 -
Cr 17.0000 19.0000 -
C - 0.0400 -

Mechanical Properties of steel grade EC439

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)
641 (≥) 662 (≥) 21 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade EC439

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 - -     0.13 -  
989 867 - 21.3 444   -  
538 - 21 34.2   324 323

Heat Treatment of steel grade EC439

Heat treated : 1153°C - 1556°C

Technological Curves of steel grade EC439

Cross Reference Table (Equivalent Grade) of EC439

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 EC439?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top