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

France AFNOR NF 2520 焊材 - 覆盖电极的用于不锈钢和耐热钢的手工电弧焊 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 2520 / 25 20
Category Grade Standard Region/Area Standard Content
Metals 25 20 NF EN 1600 France 焊材 - 覆盖电极的用于不锈钢和耐热钢的手工电弧焊

Chemical composition(mass fraction)(wt.%) of the 25 20

Element Min Max Similar

Mechanical Properties of steel grade 25 20

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 (≥) 735 (≥) 42 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 25 20

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 - -     0.44 -  
673 535 - 33.3 334   -  
592 - 41 43.2   321 413

Heat Treatment of steel grade 25 20

Heat treated : 1238°C - 1111°C

Technological Curves of steel grade 25 20

Cross Reference Table (Equivalent Grade) of 25 20

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 25 20?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top