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

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)
924 (≥) 155 (≥) 14 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

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
32 - -     0.41 -  
838 958 - 14.3 131   -  
936 - 23 42.2   324 221

Heat Treatment of steel grade Q345R(R-HIC)

Heat treated : 1486°C - 1198°C

Technological Curves of steel grade Q345R(R-HIC)

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

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 Q345R(R-HIC)?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top