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Cushion support frame | Automotive steel

Linkage arm

Recommended Steel Grade: Duplex steel

Dual-phase steel is a highly sought-after material for automotive structural components, owing to its unique microstructure consisting primarily of ferrite and martensite. The martensite structure is distributed in the form of islands within the ferrite matrix. This material is characterized by a low yield ratio, a high work hardening index, and an excellent bake hardening value.

Related material grade: HC550/980DP


Grade: HC550/980DP
C(max): 0.23
Mn(max): 3
Si(max): 1

Seat pan side bolster

Recommended Steel Grade: Quench & Partitioning (Q&P) steel

Based on martensite, it also contains a certain amount of ferrite and about 8%-12% retained austenite. Utilize the transformation-induced plasticity effect of retained austenite during deformation to obtain higher work hardening performance and elongation level. Compared with high-strength steel of the same strength level, Quench & Partitioning (Q&P) steel has better plasticity and formability.

Related material grade: HC600/980QP


Grade: HC600/980QP
C(max): 0.25
Mn(max): 3
Si(max): 2.5

The company’s main business is general GMW standard, Fiat EFE standard, Volvo VDA standard, Nissan NEN standard, Volkswagen VW50065, Ford WSS-M and other standard series of automotive steel.
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