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Q390C steel plate

Q390C steel material such as Q390C steel plate,Q390C round bar,Q390C steel angle bar,Q390C square and rectangular hollow sections are all in Xinsteel's warehouse.CEV also called CEQ for Q390C with thickness equal and belows 30mm shall be Maximum 0.45% when rolling.CEV=CEQ=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
Chemical Composition

Main chemical elements composition of Q390C

C

Si

Mn

P

S

Nb

N

0.20

0.55

1.70

0.030

0.030

0.05

0.015

V

Ti

Cr

Ni

Cu

Mo

0.13

0.05

0.30

0.50

0.40

0.10

Mechanical Property

Mechanical Property for Q390C steel plate

 

Thickness (mm)

Yield strength (≥Mpa)

T≤16

16<T≤40

40<T≤63

63<T≤80

80<T≤100

100<T≤150

150<T

390

380

360

340

340

320

320

Tensile strength (Mpa)

T≤100

100<T

490-650

470-620

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