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

Global 企业标准 B490RNQB and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B490RNQB / B490RNQB
Category Grade Standard Region/Area Standard Content
Metals B490RNQB -- Global

Chemical composition(mass fraction)(wt.%) of the B490RNQB

Element Min Max Similar

Mechanical Properties of steel grade B490RNQB

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)
482 (≥) 778 (≥) 41 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade B490RNQB

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
41 - -     0.43 -  
114 633 - 32.3 143   -  
459 - 13 33.2   244 224

Heat Treatment of steel grade B490RNQB

Heat treated : 1716°C - 1738°C

Technological Curves of steel grade B490RNQB

Cross Reference Table (Equivalent Grade) of B490RNQB

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 B490RNQB?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top