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

China 首钢Q/SG HC300B 烘烤硬化高强度冷轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HC300B / HC300B
Category Grade Standard Region/Area Standard Content
Metals HC300B Q/SGZGS 0347 China 烘烤硬化高强度冷轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the HC300B

Element Min Max Similar
C - 0.1000 -
Mn - 0.8000 -
P - 0.1200 -
S - 0.0250 -
Alt 0.0150 - -

Mechanical Properties of steel grade HC300B

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)
448 (≥) 228 (≥) 42 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade HC300B

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
13 - -     0.43 -  
329 849 - 42.3 242   -  
182 - 24 42.2   142 321

Heat Treatment of steel grade HC300B

Heat treated : 1492°C - 1727°C

Technological Curves of steel grade HC300B

Cross Reference Table (Equivalent Grade) of HC300B

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 HC300B?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top