Thép kéo dây

Chemical composition( % ) :

Q195( grade )
C: 0.06-0.12 ; Mn : 0.25-0.50 ; Si≤0.30 ; S≤0.050 ; S≤0.045 ;

Q195C ( grade )
C: ≤0.10 ; Mn : 0.30-0.60 ; Si<=;0.30 ; S<=;0.040 ; S<=;0.040 ;

Q215A ( grade )
C: 0.09-0.15 ; Mn : 0.25-0.55 ; Si<=;0.30 ; S<=;0.050 ; S<=;0.045 ;

Q215B ( grade )
C: 0.09-0.15 ; Mn : 0.25-0.55 ; Si<=;0.30 ; S<=;0.045 ; S<=;0.045 ;

Q215C ( grade )
C: 0.10-0.15 ; Mn : 0.30-0.60 ; Si<=;0.30 ; S<=;0.040 ; S<=;0.040 ;

Q235A ( grade )
C: 0.14-0.22 ; Mn : 0.30-0.65 ; Si<=;0.30 ; S<=;0.050 ; S<=;0.045 ;

Q235B ( grade )
C: 0.12-0.20 ; Mn : 0.30-0.70 ; Si<=;0.30 ; S<=;0.045 ; S<=;0.045 ;

Q235C ( grade )
C: 0.13-0.18 ; Mn : 0.30-0.60 ; Si<=;0.30 ; S<=;0.040 ; S<=;0.040 ;

Mechanical properties :

Yiled point :
min. 195 MPa for Q195, min. 215 MPa for Q215, and 235 MPa for Q235 .

Tensile strength :
min. 375 MPa for Q215, min. 410 MPa for Q235 .

If the wire rods are for drawing use, the tensile is as belows :
max. 390 MPa for Q195, max. 420 MPa for Q215, and max. 490 MPa for Q235 .