Rear connecting plate for side panel sill reinforcement
Product Series
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Hot Dip Galvanized DP Steel
HC250/450DPD+Z, HC340/590DPD+Z, HC420/780DPD+Z, HC440/780DPD+Z, HC550/980DPD+Z, HC700/980DPD+Z
- Commodity name： Hot Dip Galvanized DP Steel
Detailed
- Product Description
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Product Introduction:
Microstructure: mainly martensite and ferrite. The martensite is distributed on the ferrite matrix as an island, and the ferrite is soft , so that the steel has better formability. The stiffer martensite gives steel higher strength. The strength increases with the proportion of hard martensite.
Typical microstructure of dual-phase steel (martensite + ferrite)
Performance characteristics: no yield platform, no room temperature aging, low yield ratio, high work hardening index and high baking hardening value.
Application Case:
A-pillar inner plate
Supply Standard:
Can supply product according to European standard and other international standards, or according to the standards or requirements of users.
Performance list for hot dip galvanized DP series steelGrade Yield strength Mpa Tensile strength Mpa Elongation after fracture A50mm(％) n90 Bake hardening value MPa HC250/450DPD+Z 250–340 ≥450 ≥29 ≥0.16 ≥30 HC340/590DPD+Z 340–440 ≥590 ≥22 ≥0.14 ≥30 HC420/780DPD+Z 420–550 ≥780 ≥17 - ≥30 HC440/780DPD+Z 440–550 ≥780 ≥17 One ≥30 HC550/980DPD+Z 550–730 ≥980 ≥10 - ≥30 HC700/980DPD+Z 700–900 ≥980 ≥8 - ≥30 a: When the yield phenomenon is not obvious, the prescribed plastic elongation strength RP0.2 is used instead, otherwise ReL is used.
b: The sample is P6 sample in GB/T 228.1-2010, and the direction of the sample is longitudinal.
Keywords:
Hot-rolled, cold-rolled, hot-dip galvanized, silicon steel, steel pipes, steel structures
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