Grade

Chemical Composition(%)

C

Mn

Si

S

P

B

SAE1006B

0.03~O.07

<=0.32

<=0.30

<=0.045

<=0.040

>0.0008

Mechanical properties

Yield strength(N/mm2)

Tensile strength(N/mm2)

Elongation(%)

250-280

350-380

>=32