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

America ASME ER55S-B2 气体保护电弧焊用低合金钢焊丝和填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ER55S-B2 / ER55S-B2
Category Grade Standard Region/Area Standard Content
Metals ER55S-B2 ASME SFA-5.28/SFA-5.28M America 气体保护电弧焊用低合金钢焊丝和填充丝标准

Chemical composition(mass fraction)(wt.%) of the ER55S-B2

Element Min Max Similar
C 0.0700 0.1200 -
Mn 0.4000 0.7000 -
P - 0.0250 -
S - 0.0250 -
Si 0.4000 0.7000 -
Ni - 0.2000 -
Cr 1.2000 1.5000 -
Mo 0.4000 0.6500 -
Cu - 0.3500 -
Others Total - 0.5000 -

Mechanical Properties of steel grade ER55S-B2

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)
931 (≥) 918 (≥) 42 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade ER55S-B2

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
43 - -     0.41 -  
823 386 - 33.3 144   -  
689 - 34 12.2   141 431

Heat Treatment of steel grade ER55S-B2

Heat treated : 1811°C - 1279°C

Technological Curves of steel grade ER55S-B2

Cross Reference Table (Equivalent Grade) of ER55S-B2

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 ER55S-B2?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top