Loading patent…
OwnerSanjiv SONI, Eugen Andrei IANOS +2inventors
InventorsSanjiv SONI, Eugen Andrei IANOS, Yaping LU, Jeff GAO
Estimating the term…
A hot rolled steel sheet having a composition including the elements, 0.09%≤Carbon≤0.15%, 1%≤Manganese≤2%, 0.1%≤Silicon≤0.5%, 0.01%≤Aluminum≤0.1%, 0.3%≤Chromium≤1%, 0.1%≤Molybdenum 0.5%, 0.05%≤Vanadium≤0.14%, 0.002%≤Phosphorus≤0.02%, 0%≤Sulfur≤0.005%, 0%≤Nitrogen≤0.01%, 0%≤Niobium≤0.09%, 0%≤Titanium≤0.09%, 0%≤Calcium≤0.005%, 0%≤Copper≤1%, 0%≤Nickel≤1%, 0%≤Boron≤0.05%, 0%≤Magnesium≤0.05%, 0%≤Zirconium≤0.05%, 0%≤Cerium≤0.1%, the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of the steel sheet including in area fraction, 50% to 93% of Bainite, 5% to 50% of ferrite, 1% to 15% of Martensite-Austenite islands, 1% to 15% Pearlite.
1-15. (canceled)
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32: