The difference of Q235B, A36 and A283GRC for Chemical composition % and Mechanical properties

Chemical composition %

C 

Si

Mn

P

S

Nb

V

Ti

Cr

Ni

Cu

N

Mo

Other

Q235B

0.20
max

0.35 max

1.40 max

0.045 max

0.045 max

-

-

-

-

-

-

-

-

-

A36

0.26 max

0.40 max

-

0.04 max

0.05 max

-

-

-

-

-

0.20 min

-

-

-

A283GRC

0.24 max

0.04 max

0.09 max

0.035 max

0.04 max

-

-

-

-

-

0.20 min

-

-

-

Yield strength ReH/(N/mm2) (t≤16mm) min

Tensile strength Rm/(N/mm2) (3mm≤t≤16mm)

Elongation A/% (3mm≤t≤40mm) min

Charpy V test

Temperature/℃

Impact energy (Longitudinal)/J min

Q235B

235

370-500

26

+20

27

A36

250

400-550

23

-

-

A283C

205

380-515

25

-

-