Main uses: used for structural parts such as automobile beams that need good cold formability and high or high strength.
Hot rolled steel plate and strip for automobile structure
Standard: Q/BQB 3 10-2009 (replaced by Q/BQB 3 10-2003)
Brand: SAPH3 10, SAPH370, SAPH400, SAPH440.
SPFH540、SPFH590
QSTE340TM、QSTE380TM、QSTE420TM、QSTE460TM、QSTE500TM
S3 15MC、S355MC、S420MC、S460MC、S500MC、S550MC、
DD 1 1、DD 12、DD 13、SPHC、SPHD、SPHE、
Scope of application: carbon steel and microalloyed steel with good cold formability; Products are used to manufacture automobile beams, beams, rollers, automobile drive shaft tubes, automobile axle housings and other structures.
Specification: 1.5- 14.0
Chemical composition: c ≤ 0.21si ≤ 0.30mn ≤1.5p ≤ 0.030s ≤ 0.025.
Output: ≥500
Tensile strength: ≥550-700
Extension: ≥ 12- 17