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Q345R(R-HIC)

China 舞钢Q/WTB Q345R(R-HIC) 抗硫化氢腐蚀用Q245R(HIC)/(R-HIC)钢板和Q345R(HIC)/Q345R(R-HIC)钢板供货技术条件及工艺要点 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q345R(R-HIC) / Q345R(R-HIC)
Category Grade Standard Region/Area Standard Content
Metals Q345R(R-HIC) WYJ 407 China 抗硫化氢腐蚀用Q245R(HIC)/(R-HIC)钢板和Q345R(HIC)/Q345R(R-HIC)钢板供货技术条件及工艺要点

Chemical composition(mass fraction)(wt.%) of the Q345R(R-HIC)

Element Min Max Similar
Cr+Ni+Cu - 0.6000 -
O - 0.0020 -
S - 0.0020 -
P - 0.0080 -
Nb+V - 0.0200 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.1700 0.4500 -
C - 0.2000 -
S - 0.0020 -
P - 0.0080 -
S - 0.0030 -
P - 0.0100 -
S - 0.0040 -
P - 0.0150 -
Cr+Ni+Cu - 0.6000 -
O - 0.0020 -
Ca 0.0015 0.0030 -
Cu - 0.3000 -
Cr - 0.3000 -
Ni - 0.2000 -
Nb+V - 0.0300 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.2000 0.6000 -
C - 0.2000 -
S - 0.0020 -
P - 0.0080 -
S - 0.0030 -
P - 0.0100 -
S - 0.0040 -
P - 0.0150 -
Cr+Ni+Cu - 0.6000 -
O - 0.0020 -
Ca 0.0015 0.0030 -
Cu - 0.3000 -
Cr - 0.3000 -
Ni - 0.2000 -
Nb+V - 0.0300 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.2000 0.4000 -
C - 0.2000 -
Cr+Ni+Cu - 0.6000 -
Ni - 0.2000 -
Cr - 0.3000 -
Cu - 0.3000 -
O - 0.0020 -
S - 0.0020 -
P - 0.0080 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.2000 0.4000 -
C - 0.2000 -
O - 0.0020 -
S - 0.0020 -
P - 0.0080 -
Al 0.0200 - -
Nb+V - 0.0200 -
Mn 1.2000 1.3500 -
Si 0.1700 0.4500 -
C - 0.2000 -
O - 0.0030 -
Ca 0.0015 0.0030 -
Al 0.0200 - -
Nb - 0.0300 -
S - 0.0030 -
P - 0.0150 -
Mn 1.2000 1.3500 -
Si 0.2000 0.5500 -
C - 0.2000 -
Cu - 0.2500 -
Ni - 0.2000 -
Cr - 0.3000 -
O - 0.0040 -
S - 0.0040 -
P - 0.0150 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.2000 0.5500 -
C - 0.2000 -
Cr+Ni+Cu - 0.6000 -
O - 0.0020 -
S - 0.0020 -
P - 0.0080 -
Al 0.0200 - -
Nb+V - 0.0200 -
Mn 1.2000 1.3500 -
Si 0.1700 0.4500 -
C - 0.2000 -
Cr+Ni+Cu - 0.6000 -
Cu - 0.3000 -
Ni - 0.2000 -
Cr - 0.3000 -
O - 0.0040 -
S - 0.0020 -
P - 0.0080 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.2000 0.4000 -
C - 0.2000 -
Nb+V - 0.0200 -
O - 0.0030 -
Ca 0.0015 0.0030 -
Cu - 0.3000 -
Ni - 0.2500 -
S - 0.0030 -
P - 0.0080 -
Al 0.0200 - -
Mn 1.2000 1.3000 -
Si - 0.5500 -
C - 0.2000 -
Cr+Ni+Cu - 0.6000 -
Cu - 0.3000 -
Ni - 0.2000 -
Cr - 0.3000 -
O - 0.0020 -
Ca 0.0015 0.0030 -
S - 0.0020 -
P - 0.0080 -
Nb+V - 0.0200 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.1700 0.4500 -
C - 0.2000 -
Ca 0.0015 0.0030 -
S - 0.0040 -
P - 0.0150 -
Nb - 0.0300 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.2000 0.6000 -
C - 0.2000 -
S - 0.0020 -
P - 0.0080 -
S - 0.0030 -
P - 0.0100 -
S - 0.0040 -
P - 0.0150 -
Nb+V - 0.0300 -
O - 0.0030 -
Ca 0.0015 0.0030 -
Nb - 0.0300 -
Al 0.0200 - -
Mn 1.2000 1.3500 -
Si 0.2000 0.6000 -
C - 0.2000 -

Mechanical Properties of steel grade Q345R(R-HIC)

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)
659 (≥) 481 (≥) 12 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade Q345R(R-HIC)

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
33 - -     0.13 -  
266 995 - 32.3 213   -  
493 - 24 42.2   233 343

Heat Treatment of steel grade Q345R(R-HIC)

Heat treated : 1426°C - 1575°C

Technological Curves of steel grade Q345R(R-HIC)

Cross Reference Table (Equivalent Grade) of Q345R(R-HIC)

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