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

China 唐山国丰Q/TGF 25 优质碳素结构钢热轧厚钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25 / 25
Category Grade Standard Region/Area Standard Content
Metals 25 Q/TGF 307 China 优质碳素结构钢热轧厚钢带

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

Element Min Max Similar
C 0.2200 0.2900 -
Si 0.1700 0.3700 -
Mn 0.5000 0.8000 -
P - 0.0350 -
S - 0.0350 -
Cr - 0.2500 -
Ni - 0.3000 -
Cu - 0.2500 -
C 0.2200 0.2900 -
Si 0.1700 0.3700 -
Mn 0.5000 0.8000 -
P - 0.0350 -
S - 0.0350 -
Cr - 0.2000 -
Ni - 0.3000 -
Cu - 0.2500 -

Mechanical Properties of steel grade 25

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)
662 (≥) 747 (≥) 31 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 25

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
34 - -     0.34 -  
549 735 - 42.3 422   -  
337 - 34 43.2   441 234

Heat Treatment of steel grade 25

Heat treated : 1514°C - 1395°C

Technological Curves of steel grade 25

Cross Reference Table (Equivalent Grade) of 25

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