Automotive Structures (SAPH SFPH QSTE)

Application > Automotive Structures (SAPH SFPH QSTE)

Automotive Structures (SAPH SFPH QSTE)

1 Main use
  It  is used for structural parts such as automobile girders, such as  automobile girders that require good cold forming performance and high  or high strength requirements, such as automobile structural parts such  as automobile frames and wheels.
2 grades and standards
Grade SAPH310~SAPH440 SPFH540 SPFH590 QSTE340TM~QSTE500TM; Standard: Technical Agreement.
3 Technical conditions of supply
3.1 Product Specifications
1.6~14×850~2000×C
3.2 Mechanical properties

Steel Grade

Thickness

Tensile test

Bending test

mm

ReL

Rm

A

Bend diameter


MPa

MPa

%

180°






SAPH310

<8

≥185

≥310

≥33

d=2a

≥8

≥175

≥41

d=2a

SAPH370

<8

≥225

≥370

≥33

d=2a

≥8

≥215

≥38

d=2a

SAPH400

<8

≥255

≥400

≥31

d=2a

≥8

≥235

≥37

d=2a

SAPH440

<8

≥295

≥440

≥29

d=3a

≥8

≥275

≥35

d=3a

SPFH540

~

≥355

≥540

≥21

d=3a

SPFH590

~

≥420

≥590

≥19

d=3a

QSTE340TM

~

≥340

≥590

≥25

d=0.5a

QSTE380TM

~

≥380

≥590

≥23

QSTE420TM

~

≥420

≥590

≥21

QSTE460TM

~

≥460

≥590

≥19

d=1a

QSTE500TM

~

≥500

≥590

≥17