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

HC420/780TRD+Z

China 宝钢Q/BQB HC420/780TRD+Z 连续热镀锌/锌铁合金镀层钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HC420/780TRD+Z / HC420/780TRD+Z
Category Grade Standard Region/Area Standard Content
Metals HC420/780TRD+Z Q/BQB 420 China 连续热镀锌/锌铁合金镀层钢板及钢带

Chemical composition(mass fraction)(wt.%) of the HC420/780TRD+Z

Element Min Max Similar
Al - 2.0000 -
S - 0.0150 -
P - 0.0900 -
Mn - 2.5000 -
Si - 2.2000 -
C - 0.3000 -

Mechanical Properties of steel grade HC420/780TRD+Z

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)
461 (≥) 377 (≥) 42 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade HC420/780TRD+Z

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
32 - -     0.41 -  
783 875 - 34.3 333   -  
663 - 24 43.2   414 142

Heat Treatment of steel grade HC420/780TRD+Z

Heat treated : 1675°C - 1421°C

Technological Curves of steel grade HC420/780TRD+Z

Cross Reference Table (Equivalent Grade) of HC420/780TRD+Z

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 HC420/780TRD+Z?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top