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

QStE340TM

China 首钢Q/SG QStE340TM 汽车结构用热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: QStE340TM / QStE340TM
Category Grade Standard Region/Area Standard Content
Metals QStE340TM Q/SGZGS 315 China 汽车结构用热连轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the QStE340TM

Element Min Max Similar
C - 0.1200 -
Si - 0.5000 -
Mn - 1.3000 -
P - 0.0250 -
S - 0.0200 -
Alt 0.0150 - -
Nb - 0.0900 -
Ti - 0.2200 -
Nb+Ti+V - 0.2200 -

Mechanical Properties of steel grade QStE340TM

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)
415 (≥) 789 (≥) 24 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade QStE340TM

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
11 - -     0.13 -  
349 453 - 41.3 324   -  
252 - 13 24.2   343 341

Heat Treatment of steel grade QStE340TM

Heat treated : 1974°C - 1784°C

Technological Curves of steel grade QStE340TM

Cross Reference Table (Equivalent Grade) of QStE340TM

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 QStE340TM?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top