Wrought Cr—W—V bainitic/ferritic steel...

Details Wrought Cr—W—V bainitic/ferritic steel... Wrought Cr—W—V bainitic/ferritic steel...

2006-07-11

2006-07-11

Wyszomierski, George (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S334000, C420S110000, C420S111000, C420S114000

Reexamination Certificate

active

07074286

ABSTRACT:
A high-strength, high-toughness steel alloy includes, generally, about 2.5% to about 4% chromium, about 1.5% to about 3.5% tungsten, about 0.1% to about 0.5% vanadium, and about 0.05% to 0.25% carbon with the balance iron, wherein the percentages are by total weight of the composition, wherein the alloy is heated to an austenitizing temperature and then cooled to produce an austenite transformation product.

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patent: 2003/0116240 (2003-06-01), Fujita et al.

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