| 简介 |
Disclosed is a narrow carbon steel strip that has a very low carbon content, high resistance in the cold-worked state and is characterized by the following : - the carbon steel comprises (in percent by weight) 0.05% to 0.4% carbon, 0.5% to 4% manganese, 0.1% to 2.5% silicon, optionally (i) less than 1.5% aluminum, (ii) less than 0.5% of each of the metals boron, chromium, cobalt, copper, molybdenum, nickel, niobium, titanium, tungsten, vanadium, zirconium, et (iii) less than 0.05% of each of the elements phosphorus, sulfur, nitrogen or rare earth metal, the remainder consisting of iron and inevitable impurities resulting from the process; - the microstructure of the cold-worked carbon steel is primarily martensitic or ferritic-martensitic; - the resistance Rm of the strip is greater than 1200 MPa, and its elongation at break At ranges from 1% to 5%. Also disclosed are a (metal-rubber) composite comprising a strip of said type and the use of a strip or composite of said type for reinforcing a rubber article such as a motor vehicle tire. |
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