High‑strength automotive steel refers to advanced high‑strength steel (AHSS) designed for automobile manufacturing complying with VDA standards.
What’s High Strength Automotive Steel?
High‑strength automotive steel refers to advanced high‑strength steel (AHSS) designed for automobile manufacturing complying with VDA standards.
It mainly includes dual‑phase DP steel, press‑hardening steel, HSLA steel and bake‑hardening steel.
Grades such as CR330Y590T-DP CR440Y780T-DP CR440Y780T-DH and CR700Y980T-DP are widely adopted.
Compared with ordinary steel, it achieves vehicle lightweight while greatly improving crash‑resistance, stiffness and welding performance. These materials are used for A/B‑pillar reinforcements, bumper beams, chassis components and EV battery-pack parts.
Product Overview
These are cold-rolled dual-phase (DP) advanced high‑strength steels (AHSS) manufactured in compliance with VDA 239-100 automotive standard for passenger-vehicle lightweight structural parts.
CR = Cold-rolled; the number before Y stands for typical yield strength; figures behind T mean typical tensile strength.
DP: Conventional dual‑phase steel with ferrite-martensite microstructure.
DH (High-ductility version): 3rd-generation DP steel with extra retained austenite, delivering higher elongation, superior hole-expansion performance and edge‑crack resistance than standard DP of the same strength grade.
Mechanical Property
|
Grades |
Yield Strength(MPa) |
Tensile Strength(MPa) |
Elongation A80mm % |
|
CR330Y590T-DP |
330～430 |
590～700 |
≥20 |
|
CR440Y780T-DP |
440～550 |
780～900 |
≥14 |
|
CR440Y780T-DH |
440～550 |
780～900 |
≥18 |
|
CR700Y980T-DP |
700～850 |
980～1130 |
≥10 |
General Product Features
Low yield‑to‑tensile ratio and high work‑hardening capacity.
These steels absorb crash energy effectively to boost vehicle safety while realizing lightweight design by thinning material thickness.
Reliable spot‑welding and laser‑welding performance
Reliable spot‑welding and laser‑welding performance; available as uncoated (UC), galvanized GI or GA‑coated options to fit electrophoretic painting process.
Bake-hardening value BH₂ ≥30MPa
Bake-hardening value BH₂ ≥30MPa, extra strength gained after automotive paint baking procedure.
Application areas
Size & Supply Range
--Thickness: 0.5mm～4.00mm
--Width: 100 mm ~ 1850 mm
--Coil inner diameter: 508 mm / 610 mm
Available product forms: High-strength automotive steel, slit strips & cut-to-length sheets.
Contact Us
Shipment & Package
High Strength Automotive Steel－ Buyer’s FAQs
Q:
What’s the minimum order quantity for High Strength Automotive Steel coils/plates?
A:
We accept 200-500KG quantity.
Q:
Do you offer wholesale pricing for High Strength Automotive Steel coils/plates?
A:
Yes. We provide competitive wholesale prices for High Strength Automotive Steel coils/plates based on thickness, width, order volume, and delivery terms. Bulk orders receive better pricing.
Q:
Are you a direct High Strength Automotive Steel CR330Y590T-DP CR440Y780T-DP CR440Y780T-DH CR700Y980T-DP coils/plates supplier from China?
A:
Yes. We are an authorized direct distributor of BaoSteel.
Q:
How do you ensure the quality of High Strength Automotive Steel CR330Y590T-DP CR440Y780T-DP CR440Y780T-DH CR700Y980T-DP Coil/Plate supply?
A:
All High Strength Automotive Steel Coil/Plate are produced under ISO-certified systems and delivered with Mill Test Certificates. If you required Third-party inspection such as SGS or BV is supported before shipment.
Q:
Do you supply High Strength Automotive Steel in coil form as well?
A:
Yes. In addition to sheets, we also supply High Strength Automotive Steel in coil form, with customizable coil ID, OD, and packaging based on your requirements.
Q:
What certificates can you provide before shipment?
A:
We can supply official Mill Test Certificate (MTC) with full mechanical & chemical data.Third-party inspection reports are available upon your request before shipment.
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