Shanghai Jieteng Precision Mold Factory

Shanghai Jingteng Metal Group Co., Ltd.

   
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Q390

Q390

Q390 Chinese Standard Structural Alloy Steel
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Thickness：
Diameter：
  
Q390 Chinese Standard Structural Alloy Steel



Material Name


Material Name: Q390

Characteristics and scope of application


Good comprehensive mechanical properties, welding, cold, heat and corrosion resistance properties are good.
Used in Ship, boiler, pressure vessel, oil storage tanks, bridges, power station equipment, lifting transport machinery and other high load welded structures.


Chemical Composition


C Si Mn P Ni
 Cr
 Ti
 Nb
 S V
Max 0.2 Max 0.55 1.0-1.6 Max 0.045
 Max 0.70
 Max 0.30
 0.02-0.20
 0.015-0.060
 Max 0.045
 0.02-0.20

Mechanical Properties


Yield
Rp0.2 (MPa)
 Tensile
Rm (MPa)
 Elongation
A (%)
 ballistic work
Akv (J)
≥390
 370-580
 ≥19
 ≥34

Delivery State


annealed state delivery, the delivery state should be indicated in the contract.