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Hot strip in motion: hot-rolled lightweight steels with optimum processability for the chassis

Wide hot strip portfolio for the chassis: Low carbon steels, structural steels, micro-alloyed steels, higher-strength multi-phase steels and MnB steels for precision steel tubes.

Whether your needs are higher-strength, highly ductile micro-alloyed steels for wheel suspension and axles, hot-rolled high-strength multi-phase steels for single-skin control arms or special MnB steels for precision steel tubes applications like stabilizers. thyssenkrupp Steel provides a wide range of hot strip products for cost-effective lightweight construction of high-strength chassis parts.

Our hot-rolled chassis materials are available as uncoated and coated hot wide strip and slit strip and as uncoated precision strip, on request also as slit coil.

Highly ductile microalloyed steels for wheel suspension components.
Highly ductile microalloyed steels for wheel suspension components.

Micro-alloyed and highly ductile micro-alloyed thermo-mechanically rolled fine-grained structural steels

Highlight: Highly ductile micro-alloyed steel grades

Highly ductile micro-alloyed fine-grained structural steels are the go-to material when significantly improved formability for complex component geometries in axles or suspensions is required. They offer better formability and higher hole expansion values. The special microstructure of the highly ductile grades ensures stable mechanical properties (low scatter), the best prerequisite for high production reliability. Highly ductile micro-alloyed perform® HD steels are available as hot wide strip and as precision strip precidur® HSM HD with particularly narrow tolerances.

Micro-alloyed fine-grain structural steel HD grade (Hot-rolled strip, uncoated)

Steel grade
­
­
­
­
Reference grade
DIN EN 10149-2
Reference grade
VDA 239-100

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­
Material no.
­
­
­
Thickness1
from _ to in mm
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­
Width1
from _ to in mm
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­
perform® 500 HD S500MC HR500LA 1.0984 1.50 – 5.00 50 – 1.600
1. Not all thickness and width combinations possible.

Micro-alloyed fine-grain structural steel HD grades (Precision strip)

Steel grade
­
­
­
Standard designation
DIN EN 10149-2
Standard designation
VDA 239-100

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Material no.
­
­
Thickness1
from _ to in mm
­
Width1
max. in mm
­
precidur® HSM 315 HD S315MC HR300LA2 1.0972 1.50 – 16.00 720
precidur® HSM 355 HD S355MC HR340LA 1.0976 1.50 – 16.00 720
precidur® HSM 500 HD S500MC HR500LA 1.0984 1.50 – 16.00 720
precidur® HSM 550 HD S550MC HR550LA 1.0986 1.50 – 16.00 720
precidur® HSM 650 HD S650MC - 1.8976 1.50 – 16.00 720
precidur® HSM 700 HD S700MC HR700LA 1.8974 1.50 – 16.00 720
precidur® HSM 760 HD3 - - 1.0968 1.50 – 16.00 720
precidur® HSM 800 HD3 - - 1.8655 1.50 – 16.00 720
1. Not all thickness and width combinations possible. | 2. According to VDA 239-100. | 3. According to DIN EN 10149-2.
Micro-alloyed or highly ductile micro-alloyed steels by thyssenkrupp Steel for subframes, cross and side members .
Micro-alloyed or highly ductile micro-alloyed steels for subframes, cross members and side members .

Microalloyed fine-grained structural steels

Normally the uncoated low-/micro-alloyed fine-grained structural steels perform® or precidur® HSM with yield strengths of 355 to 420 MPa are used for axle beams, transverse and trailing arms. The higher-strength micro-alloyed grades from 500 to 700 MPa offer weight-saving potential by a reduced sheet thickness. For delivery form hot-rolled strip we also offer the hot-dip galvanized steel MHZ®.

Micro-alloyed fine-grain structural steel (Hot-rolled strip, uncoated)

Steel grade
­
­
­
­
Reference grade
DIN EN 10149-2
Reference grade
VDA 239-100

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Material no.
­
­
­
Product version scalur®
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Thickness1
from _ to in mm
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­
Width1
from _ to in mm
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­
perform® 300 HR300LA - 1.50 – 6.50 50 – 2,030
perform® 315 S315MC 1.0972 x 1.50 – 6.50 50 – 2,030
perform® 340 HR340LA - 1.50 – 6.50 50 – 2,030
perform® 355 S355MC 1.0976 x 1.50 – 6.50 50 – 2,030
perform® 380 HR380LA 1.0978 - 1.50 – 6.50 50 – 2,030
perform® 420 S420MC HR420LA 1.0980 x 1.75 – 6.50 50 – 2,030
perform® 460 S460MC HR460LA 1.0982 x 1.75 – 6.50 50 – 2,030
perform® 500 S500MC HR500LA 1.0984 x 1.75 – 6.50 50 – 2,030
perform® 550 S550MC HR550LA 1.0986 x 2.00 – 6.50 60 – 1,850
perform® 600 S600MC 1.8969 x 3.00 – 6.50 80 – 1,750
perform® 650 S650MC 1.8976 x 3.00 – 6.50 80 – 1,750
perform® 700 S700MC HR700LA 1.8974 x 3.00 – 6.50 80 – 1,750
1. Not all thickness and width combinations possible. | Thicknesses > 6,5 mm on request.

Micro-alloyed fine-grain structural steel (Hot-rolled strip, hot-dip galvanized)

Steel grade
­
­
­
Reference grade
DIN EN 10346

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Reference grade
VDA 239-100

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Product version scalur®+Z
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Thickness1
from _ to in mm
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Width1
from _ to in mm
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MHZ® 260 HX260LAD HR240LA2 x 1.50 – 4.00 900 – 1,550
MHZ® 300 HX300LAD HR300LA x 1.50 – 4.00 900 – 1,550
MHZ® 340 HX340LAD HR340LA x 1.50 – 4.00 900 – 1,550
MHZ® 380 HX380LAD HR380LA x 1.50 – 4.00 900 – 1,550
MHZ® 420 HX420LAD HR420LA x 1.50 – 4.00 900 – 1,550
MHZ® 460 HX460LAD HR460LA x 1.80 – 3.00 900 – 1,500
MHZ® 500 HX500LAD HR500LA x 1.80 – 3.00 900 – 1,500
- S550MC HR550LA x on request on request
- S600MC - x on request on request
- S650MC - x on request on request
- S700MC HR700LA x on request on request
1. Not all thickness and width combinations possible. | 2. Under development.

Micro-alloyed fine-grain structural steel (Precision strip)

Steel grade
­
­
­
Standard designation
DIN EN 10149-2
Standard designation
VDA 239-100

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Material no.
­
­
Thickness1
from _ to in mm
­
Width1
max. in mm
­
precidur® HSM 315 S315MC HR300LA2 1.0972 1.50 – 16.00 720
precidur® HSM 355 S355MC HR340LA 1.0976 1.50 – 16.00 720
precidur® HSM 380 Special mill grade HR380LA 1.0978 1.50 – 16.00 720
precidur® HSM 420 S420MC HR420LA 1.0980 1.50 – 16.00 720
precidur® HSM 460 S460MC HR460LA 1.0982 1.50 – 16.00 720
precidur® HSM 500 S500MC HR500LA 1.0984 1.50 – 16.00 720
precidur® HSM 550 S550MC HR550LA 1.0986 1.50 – 16.00 720
precidur® HSM 600 S600MC - 1.8969 1.50 – 16.00 720
precidur® HSM 650 S650MC - 1.8976 1.50 – 16.00 720
precidur® HSM 700 S700MC HR700LA 1.8974 1.50 – 16.00 720
precidur® HSM 760 S760MC - 1.0968 1.50 – 16.00 720
1. Not all thickness and width combinations possible. | 2. According to VDA 239-100.

High-strength hot-rolled multi-phase steels

Bainitic chassis steel CH-W® is ideal for spring plates or single-skin control arms.
Bainitic chassis steel CH-W® is ideal for springs plates or single-skin control arms in chassis.

Highlight: Bainitic chassis steels

The bainitc chassis steel CH-W® is ideal for the complex, cold-formed chassis with high hole expansion requirements. As a consistent further development of the proven complex-phase steels, CH-W® features a guaranteed hole expansion of at least 60 percent, improved elongation after fracture and flawless surfaces – with otherwise similar properties. Our chassis steel CH-W® is the lightweight solution for single-skin control arms and similarly demanding parts.

The precision strip products of the precidur® HBS range with strengths of 600 to 1,000 MPa feature a favorable yield point and are very well suited for critical forming operations. Especially optimized for the forming of punched or cut edges.

Hot-rolled bainitic chassis steel CH-W® (Hot-rolled strip)

Steel grade
­
­
Reference grade
VDA 239-100

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Thickness1
from _ to in mm
­
Width1
from _ to in mm
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CH-W® 660Y760T HR660Y760T-CP 2.00 – 4.20 940 – 1,300
1. Not all thickness and width combinations possible.

Bainitic chassis steel precidur® HBS (Precision strip)

Steel grade
­
­
­
Standard designation
DIN EN 10338, according to "Stahl-Eisen" list
Standard designation
VDA 239-100

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Material no.
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­
Thickness1
from _ to in mm
Width1
max. in mm
precidur® HBS 600 HDT600F - 1.0988 1.50 – 16.00 720
precidur® HBS 800 HDT760C HR660Y760T-CP 1.0998 1.50 – 16.00 720
precidur® HBS 900 HDT850C - 1.0999 1.50 – 16.00 720
precidur® HBS 1000 HE - HR700Y950T-CP2 1.0958 1.50 – 16.00 720
precidur® HBS 1000 - HR700Y950T-CP2 1.0958 1.50 – 16.00 720
1. Not all thickness and width combinations possible. | 2. According to VDA 239-100.

Further hot-rolled multi-phase steels

Hot-rolled multi-phase steels like the dual-phase, complex-phase and ferritic-bainitic-phase steels allow to produce chassis parts with complex geometries, while featuring high strength values and a lightweight construction advantage over conventional high-strength steels.

Ferritic-bainitic phase steel FB-W® is the go-to material for robust, dynamically stressed and yet demanding chassis parts. The ferritic-bainitic microstructure lends the steels high strength and excellent cold forming properties. They possess a high fatigue strength and are easy to weld.

As compared to DP-W® steels, the complex-phase steels CP-W® offer very high strength and yield point values and are optimally suited for weight-optimized chassis parts. They are characterized by strong strain hardening even with only minor deformation forces. CP-W® steels can be easily cold formed and welded.

The dual-phase steels DP-W® are characterized by high strength, low yield point and good fatigue strength. They boast excellent formability and weldability - especially in the thicker plate segment – and a good surface quality.

Hot-rolled ferritic-bainitc-phase steel (Hot-rolled strip)

Steel grade
­
Reference grade
DIN EN 10346

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Reference grade
VDA 239-100

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Thickness1
from _ to in mm
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Width1
from _ to in mm
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FB-W® 300Y450T2 HDT450F2 HR300Y450T-FB2 1.80 – 6.00 70 – 1,500
FB-W® 460Y580T2 HDT580F2 HR440Y580T-FB2 1.80 – 4.00 70 – 1,500
1. Not all thickness and width combinations possible. | 2. Also coated available (hot-dip galvanized).

Hot-rolled complex-phase steel (Hot-rolled strip)

Steel grade
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­
Reference grade
DIN EN 10346

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Reference grade
VDA 239-100

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Thickness1
from _ to in mm
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Width1
from _ to in mm
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CP-W® 660Y760T2 HDT760C2 HR660Y760T-CP2 1.70 – 5.00 70 – 1,400
CP-W® 1000 - - 1,.50 – 4.50 70 – 1,400
1. Not all thickness and width combinations possible. | 2. Also coated available (hot-dip galvanized).

Hot-rolled dual-phase steel (Hot-rolled strip)

Steel grade
­
­
Reference grade
DIN EN 10346

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Reference grade
VDA 239-100

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Thickness1
from _ to in mm
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Width1
from _ to in mm
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DP-W® 300Y530T - 2.50 – 5.50 70 – 1,630
DP-W® 300Y580T - 2.50 – 5.50 70 – 1,630
DP-W® 330Y580T HDT580X HR330Y580T-DP 3.00 – 5.50 70 – 1,630
1. Not all thickness and width combinations possible.

Boron-alloyed case hardening steels for precision steel tubes

Precision steel tube made of tubor® manganese boron steels for stabilizers in the chassis.
Precision steel tube made of tubor® manganese boron steels for stabilizers in the chassis.

Highlight: tubor® steels

Owing to their excellent forming properties, our application-optimized manganese boron steels of the tubor® range are ideally suited for welded, cold-rolled or cold-drawn precision steel tubes. Precision tubes made of tubor® steels are characterized by a high stability and withstand high dynamic stresses. Therefore, they are optimally suited for crash-relevant parts like stabilizers and - compared to solid material - offer an enormous advantage in terms of cost and weight reduction.

The material has a homogeneous and fine-grained microstructure with low sulfur and phosphorus content. Special technical processes are employed to significantly minimize segregation in the microstructure. Through optimized production in combination with an analysis tailored to the end application, tubor® steel grades offer higher strength and improved ductility after quenching and tempering.

Special MnB steels for precision steel tubes tubor® (Hot-rolled strip)

Steel grade
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­
Reference grade­
according to DIN EN ISO 683-2

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Thickness1
from _ to in mm
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Width1
max. mm
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tubor® 26 26MnB5 1.95 – 13.00 2,030
tubor® 34 34MnB5 1.75 – 18.00 1,630
1. Not all thickness and width combinations possible.

Case hardening steels precidur®

Boron-alloyed case hardening steels precidur® are supplied in accordance with DIN EN ISO 683-2 and Stahl-Eisen list. They are a low-cost alternative for substituting heat-treatable steels and offer much better cold formability owing to their low carbon content. Even in the hot-rolled condition boron steels display good processing and forming properties. Their strength can be adjusted to the specific purpose by means of a annealing treatment. In the chassis, precidur® HLB grades are used for rear axle tubes, for example.

Boron-alloyed heat-treatable steels precidur® HBL (Precision steel strip)

Steel grade
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­
Standard designation
DIN EN ISO 683-2

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Material no.
­
­
Thickness1
from _ to in mm
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Width1
max. in mm
­
precidur® HLB 22 22MnB5 1.5528 1.50 – 16.00 720
precidur® HLB 26 26MnB5 - 1.50 – 16.00 720
precidur® HLB 30 30MnB5 1.5531 1.50 – 16.00 720
precidur® HLB 34 34MnB5 1.5534 1.50 – 16.00 720
precidur® HLB 37 37MnB4 1.5524 1.50 – 16.00 720
precidur® HLB 38 36MnB4/38MnB5 1.5537/1.5532 1.50 – 16.00 720
precidur® HLB 42 40MnB4 1.5527 1.50 – 16.00 720
1. Not all thickness and width combinations possible.

Low carbon steels and structural steels

Low carbon steels and structural steels for steel wheels.
Low carbon steels and structural steels for steel wheels.

Uncoated, hot-rolled low carbon steels and unalloyed structural steels offer cost-effective solutions for the chassis with simple geometries. Structural steels are used as standard in wheels and in the steering system, whereas low carbon steels are used for various brackets for mounting shock absorbers, for example.

Mild non-alloy steel for cold forming (Hot-rolled strip)

Steel grade
­
­
­
Reference grade
DIN EN 10111

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Reference grade
VDA 239-100

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Material no.
­
­
Tickness1
from _ to in mm
­
­
Width1
from _ to in mm
­
DD11 DD11 HR0 1.0332 1.50 – 16.002 50 – 2,030
DD14 DD14 HR2 1.0389 1.50 – 16.002 50 – 2,030
1. Not all thickness and width combinations possible. | 2. According to DIN EN 10 111 only up to d = 11,00 mm, for d > 11,00 mm in based on DIN EN 10 111

Mild non-alloy steel for cold forming (Precision steel strip)

Steel grade
­
­
Standard designation
DIN EN 10111
Material no.
­
­
Tickness1
from _ to in mm
Width1
max. in mm
precidur® DD11 DD11 1.0332 1.50 – 16.00 720
precidur® DD14 DD14 1.0389 1.50 – 16.00 720
1. Not all thickness and width combinations possible.

Non-alloy structural steel (Hot-rolled strip)

Steel grade
­
­
­
Reference grade
DIN EN 10025-2

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­
Material no.
­
­
­
Thickness1
from _ to in mm
Width1
from _ to in mm
S235* S235* 1.0038/1.0114/1.0117 1.50 – 25.00 50 – 2,030
S275* S275* 1.0044/1.0143/1.0145 1.50 – 25.00 50 – 2,030
S355* S355* 1.0045/1.0553/1.0577 1.50 – 25.00 50 – 2,030
1. Not all thickness and width combinations possible.

Non-alloy structural steel (Precision steel strip)

Steel grade
­
­
Standard designation
DIN EN 10025-2
Material no.
­
­
Thickness1
from _ to in mm
Width1
max. in mm
precidur® S235* S235* 1.0038/1.0114/1.0117 1.50 – 16.00 720
precidur® S275* S275* 1.0044/1.0143/1.0145 1.50 – 16.00 720
precidur® S355* S355* 1.0045/1.0553/1.0577 1.50 – 16.00 720
1. Not all thickness and width combinations possible.

Overview product portfolio for the automotive industry: uncoated hot strip, precision steel strip and coated steels

Uncoated hot strip

Hot strip - impressive variety within the range of steel grades and dimensions

Product details

Precision steel strip

precidur® – the highest-grade hot-rolled precision strip

Product details

Coated products

Coated products – comprehensive portfolio of hot-dip finished sheet steels and electrolytically galvanized sheet steel

Product details
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