Title:
クロム鋼を耐食性スプリング構成要素用原料として用いる使用および前記クロム鋼の製造方法
Document Type and Number:
Japanese Patent JP4328719
Kind Code:
B2
Abstract:
A ferritic chromium steel comprising, by weight-%, 0.03 to 0.1% of carbon, 0.2 to 0.9% of silicon, 0.3 to 1% of manganese, 13 to 20% of chromium, up to 0.5% of nickel, 0.1 to 1.5% of molybdenum, 0.1 to 0.5% of copper, 0.03 to 0.05% of nitrogen, less than 10 ppm of boron, up to 0.01% of titanium, 0.01 to 0.10% of niobium, 0.02 to 0.25% of vanadium and up to 0.002% of aluminum, remainder iron, is distinguished by a high corrosion resistance and is suitable as a material for cold-formed spring elements with improved spring properties and a high dimensional accuracy, in particular for leaf springs, spring rails for windscreen wipers and reed lamellae for textile machines, oil stripper rings for internal combustion engines and sealing lamellae for hydraulic installations.
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Inventors:
Paha, Oscar
Cross-Ulitka, Gisbelt
Cross-Ulitka, Gisbelt
Application Number:
JP2004533368A
Publication Date:
September 09, 2009
Filing Date:
August 12, 2003
Export Citation:
Assignee:
Starberg, Erxte, Bestique, Gezershyaft, Mitt, Besilenktel Haftung
International Classes:
C22C38/00; F16F1/02; B60S1/38; C21D9/00; C21D9/02; C21D9/40; C22C38/54; C21D6/00; C21D7/10
Domestic Patent References:
| JP2001181801A | ||||
| JP2002194504A | ||||
| JP3056621A | ||||
| JP6073444A |
Attorney, Agent or Firm:
Patent business corporation Odashima patent office