Title:
STEEL FOR HIGH TEMPERATURE CARBURIZING AND ITS METHOD OF PREPARATION
Document Type and Number:
WIPO Patent Application WO/2020/178854
Kind Code:
A3
Abstract:
The present invention provides a steel composition for high temperature carburizing and a steel article made from the steel composition. The composition comprises: a) 0.11 to 0.3 wt.% of Carbon, b) 1.1 to 1.4 wt. % of Manganese, c) 0.15 to 0.35wt. % of Silicon, d) 1 to 1.3 wt. % of Chromium, e) ≤0.0006 wt. % of Boron, f) 0.04 to 0.05 wt. % of Titanium, g) 0.035 to 0.056 wt. % of Niobium, h) <0.2 wt. % of Nickel, i) <0.06 wt. % of Molybdenum, j) <0.025 wt.% of Sulphur, k) <0.025 wt.% of Phosphorous, l) 0.02 to 0.03 wt. % of Aluminium, m) ≤190 ppm of Nitrogen, and n) the rest is Iron (Fe).
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Inventors:
BABASAHEB KALYANI (IN)
SINGH RAJKUMAR (IN)
PAWAR VINAYAK (IN)
SHINDE SATISH (IN)
TIKHE OMKAR (IN)
NAGARKAR RAVINDRA (IN)
BANERJEE SUBHASHIS (IN)
ANDHALE ANANT (IN)
BIDAWE MANDAR (IN)
SINGH RAJKUMAR (IN)
PAWAR VINAYAK (IN)
SHINDE SATISH (IN)
TIKHE OMKAR (IN)
NAGARKAR RAVINDRA (IN)
BANERJEE SUBHASHIS (IN)
ANDHALE ANANT (IN)
BIDAWE MANDAR (IN)
Application Number:
PCT/IN2020/050195
Publication Date:
October 15, 2020
Filing Date:
March 03, 2020
Export Citation:
Assignee:
BHARAT FORGE LTD (IN)
KALYANI TECHNOFORGE LTD (IN)
KALYANI TECHNOFORGE LTD (IN)
International Classes:
C22C38/44; C22C38/04; C22C38/48; C23C8/00
Foreign References:
| EP1167561A2 | 2002-01-02 | |||
| CN108823501A | 2018-11-16 |
Attorney, Agent or Firm:
TANNA, Chirag (IN)
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