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

Q345S Grade E

China GB Q345SGradeE 水电站压力钢管用钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q345SGradeE / Q345S Grade E
Category Grade Standard Region/Area Standard Content
Metals Q345S Grade E GB/T 31946 China 水电站压力钢管用钢板

Chemical composition(mass fraction)(wt.%) of the Q345S Grade E

Element Min Max Similar
Al 0.0150 - -
S - 0.0100 -
P - 0.0250 -
B - 0.0020 -
Cu - 0.3000 -
V - 0.0500 -
Nb - 0.0500 -
Ti - 0.0500 -
Mo - 0.0800 -
Cr - 0.1000 -
Ni - 0.2000 -
Mn 1.2000 1.6000 -
Si - 0.5000 -
C - 0.2000 -

Mechanical Properties of steel grade Q345S Grade E

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)
126 (≥) 879 (≥) 41 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade Q345S Grade E

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 - -     0.21 -  
919 899 - 34.3 414   -  
819 - 31 34.2   411 223

Heat Treatment of steel grade Q345S Grade E

Heat treated : 1621°C - 1837°C

Technological Curves of steel grade Q345S Grade E

Cross Reference Table (Equivalent Grade) of Q345S Grade E

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 Q345S Grade E?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top