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America ASME Q245R Specification for Steel Plates for Boilers and Pressure Vessels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q245R / Q245R
Category Grade Standard Region/Area Standard Content
Metals Q245R ASME SA/GB 713 America Specification for Steel Plates for Boilers and Pressure Vessels

Chemical composition(mass fraction)(wt.%) of the Q245R

Element Min Max Similar
C - 0.2000 -
Mn 0.5000 1.0000 -
P - 0.0250 -
S - 0.0150 -
Si - 0.3500 -
Al 0.0200 - -

Mechanical Properties of steel grade Q245R

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)
547 (≥) 582 (≥) 11 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade Q245R

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
23 - -     0.33 -  
521 524 - 14.3 234   -  
323 - 41 11.2   141 113

Heat Treatment of steel grade Q245R

Heat treated : 1894°C - 1778°C

Technological Curves of steel grade Q245R

Cross Reference Table (Equivalent Grade) of Q245R

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