公开(公告)号：WO2014155325A3

公开(公告)日：2014-10-02

申请号：PCT/IB2014/060202

申请日：2014-03-27

Applicant: TATA MOTORS LIMITED

Inventor： PANYAM, Manjula ,  SURUSHE, Swati ,  VENKATRAMAN, Hariharan ,  SHRIPADRAJ, Ponkshe

IPC: C23C2/00 ,  C09D5/00 ,  C09D7/00 ,  C09D5/08

Abstract: The present disclosure relates to a galvannealed (GA) steel sheet coated with a coating composition, a method of obtaining such coated sheet and a storage tank made thereof. The present disclosure also relates to a composition, a method of obtaining such composition and a method of determining resistance thereof.

公开(公告)号：WO2010109484A2

公开(公告)日：2010-09-30

申请号：PCT/IN2010/000169

申请日：2010-03-22

Applicant: TATA MOTORS LIMITED ,  VENKATRAMAN, Hariharan ,  KARANDIKAR, Kanad

Inventor： VENKATRAMAN, Hariharan ,  KARANDIKAR, Kanad

IPC: C22C38/04

CPC classification number: C22C38/02 ,  C21D8/021 ,  C21D8/10 ,  C21D8/105 ,  C21D2211/004 ,  C22C38/04

Abstract: This invention relates to a high-strength low-carbon electric resistance welded (ERW) grade tube being formed of a base metal composition comprising essentially of about 0.04 - 0.06% C, about 0.5 - 0.7% Mn, about 0.01- 0.1 1% Si, upto 0.02% P, about 0.002 - 0.02% S; and microalloying elements not less than 0.02% to increase the yield strength of said tube.

Abstract translation: 本发明涉及一种由贱金属组合物形成的高强度低碳电阻焊（ERW）级管，其基本上包括约0.04-0.06％C，约0.5-0.7％的Mn，约0.011- 0.1％的Si ，高达0.02％P，约0.002-0.02％S; 和微合金元素不小于0.02％，以增加所述管的屈服强度。