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

SA-250 Grade T 1b

America ASME SA-250GradeT1b 锅炉和过热器管用电通电阻焊接铁素体合金钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-250GradeT1b / SA-250 Grade T 1b
Category Grade Standard Region/Area Standard Content
Metals SA-250 Grade T 1b ASME SA-250/SA-250M America 锅炉和过热器管用电通电阻焊接铁素体合金钢

Chemical composition(mass fraction)(wt.%) of the SA-250 Grade T 1b

Element Min Max Similar
Si 0.1000 0.5000 -
S - 0.0450 -
P - 0.0450 -
Mo 0.4400 0.6500 -
Mn 0.3000 0.8000 -
C - 0.1400 -

Mechanical Properties of steel grade SA-250 Grade T 1b

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)
953 (≥) 632 (≥) 41 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade SA-250 Grade T 1b

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 - -     0.23 -  
785 967 - 24.3 344   -  
181 - 23 21.2   132 333

Heat Treatment of steel grade SA-250 Grade T 1b

Heat treated : 1841°C - 1795°C

Technological Curves of steel grade SA-250 Grade T 1b

Cross Reference Table (Equivalent Grade) of SA-250 Grade T 1b

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 SA-250 Grade T 1b?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top