spring steel flat steel bars

Name of Commodity

Specification

Materials

Length of 

Dimension (m)

Use

Spring Flat Steel

for Automobile leaf 

Spring

6-13x60mm,

6-12x63mm,

6-15x70mm,

8-18x75mm,

12-20x80mm,

9-25x90mm,

10-25x100mm,

11-20x120mm,

14-20x150mm

(single groove &

 double grooves)

60Si2Mn / 55CrMnA / 

50CrVA /60CrMnA / 

60Si2CrA /55Si2Mn / 

55SiMnVB

For the automobile 

leaf spring, 

suspension and 

special tapered

 leaf spring 

processing enterprises

Hot-rolled Flat Steel 

for High-load Vehicle

8x140mm,

10x140mm,

12x140mm,

14x140mm,

16x140mm,

18x140mm,

20x140mm

Q345B / 700L / 

650L / 610L / 

550L / 510L

For trailer 

manufacturers 

and used for 

trailer girders