7 резултати
TECHNICAL FIELD
The subject invention provides a low manganese content, low silicon content, and medium carbon content steel that is more cost effective and improves residual stress, bending fatigue, and surface characteristics for driveline components.
BACKGROUND OF THE INVENTION
Driveline
TECHNICAL FIELD
The subject invention provides a method of carbonitriding a low manganese content and medium carbon content steel that is more cost effective and improves residual stress, bending fatigue, and surface characteristics for driveline components.
BACKGROUND OF THE INVENTION
Driveline
CROSS-REFERENCE TO RELATED APPLICATIONS
This application claims priority under 35 U.S.C. .sctn. 119 to Korean Patent Application No. 10-2014-0163799, filed on Nov. 21, 2014, in the Korean Intellectual Property Office, the entirety of which is incorporated herein by reference.
TECHNICAL FIELD
The
This is a national stage application filed under 35 USC 371 based on International Application No. PCT/FI2013/050708, filed Jun. 26, 2013, and claims priority under 35 USC 119 of Finnish Patent Application No. 20120215 filed Jun. 26, 2012.
This invention relates to a ferritic stainless steel having
BACKGROUND OF THE INVENTION
The operating temperature for automotive exhaust valves has been dramatically increased and continues to be increased as new engine cycles are altered by the addition of anti-pollution devices. Increased exhaust gas temperatures are beneficial because they promote
TECHNICAL FIELD
The present invention relates to bearing steel, and more particularly, to high-carbon chromium bearing steel able to improve fatigue resistance of a bearing material by reducing the occurrence of segregation through the refinement of a segregation band in a casting material and a
TECHNICAL FIELD
The present invention relates to a steel which is forged into a component a part of which is inductively hardened before use, for example, as constant velocity joints or hub units.
BACKGROUND ART
Components, for example, constant velocity joints or hub units, are produced by forming