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

Brazil NBR AF-25I Steel castings for processing - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AF-25I / AF-25 I
Category Grade Standard Region/Area Standard Content
Metals AF-25 I ABNT NBR 9343 Brazil Steel castings for processing - Specification

Chemical composition(mass fraction)(wt.%) of the AF-25 I

Element Min Max Similar
C 0.2000 0.2800 -
Mn 0.5000 0.8000 -
P - 0.0350 -
S - 0.0350 -
Si 0.3000 0.5000 -

Mechanical Properties of steel grade AF-25 I

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)
679 (≥) 245 (≥) 11 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade AF-25 I

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
24 - -     0.43 -  
132 933 - 14.3 233   -  
176 - 33 41.2   121 411

Heat Treatment of steel grade AF-25 I

Heat treated : 1451°C - 1463°C

Technological Curves of steel grade AF-25 I

Cross Reference Table (Equivalent Grade) of AF-25 I

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