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

B860 Type A-4

America ASTM B860TypeA-4 热浸镀锌用锌母合金的标准规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B860TypeA-4 / B860 Type A-4
Category Grade Standard Region/Area Standard Content
Metals B860 Type A-4 ASTM B860 America 热浸镀锌用锌母合金的标准规范

Chemical composition(mass fraction)(wt.%) of the B860 Type A-4

Element Min Max Similar
Cu - 0.5000 -
Al 4.5000 5.5000 -
Zn - - -
Fe - 0.1500 -
Pb - 0.4000 -
Total Others - 0.2500 -

Mechanical Properties of steel grade B860 Type A-4

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)
339 (≥) 625 (≥) 12 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade B860 Type A-4

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
14 - -     0.11 -  
471 477 - 11.3 311   -  
686 - 14 31.2   233 432

Heat Treatment of steel grade B860 Type A-4

Heat treated : 1234°C - 1442°C

Technological Curves of steel grade B860 Type A-4

Cross Reference Table (Equivalent Grade) of B860 Type A-4

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 B860 Type A-4?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top