1369/KOL/2014. (19) INDIA. (22) Date of filing of Application :31/12/2014. (43) Publication Date : 22/07/2016. аааааааJournal No.ана30/2016. (54) Title of the ...
(12) PATENT APPLICATION PUBLICATION (19) INDIA (22) Date of filing of Application :31/12/2014
(54) Title of the invention : PRODUCT AND PROCESS FOR MANUFACTURING SUPERIOR QUALITY COMPLEX MICROSTRUCTUREREINFORCEMENT REBARS FOR EARTHQUAKE RESISTANCE APPLICATIONS (51) International classification :E04B2/56 (31) Priority Document No :NA (32) Priority Date :NA (33) Name of priority country :NA (86) International Application No :NA Filing Date :NA (87) International Publication No : NA (61) Patent of Addition to Application Number :NA Filing Date :NA (62) Divisional to Application Number :NA Filing Date :NA
(71)Name of Applicant : 1)Tata Steel Limited Address of Applicant :Jamshedpur831001, India Jharkhand India (72)Name of Inventor : 1)Shaumik Lenka (India) 2)Jayanta Chakraborty (India) 3)Diptak Bhattacharya (India) 4)Saurabh Kundu (India) 5)Kandala S Ramakrishna (India) 6)Ravinder Singh Pathania (India) 7)Sanjay Chandra (India) 8)T.Venugopalan (India)
(57) Abstract : A process for manufacturing steel rebar is described having steps of casting billet / bloom with chemical composition of 0.05 0.3 wt.% carbon, 0.4 1.65 wt.% manganese, 0.1 0.8 wt.% silicon, up to 0.05 wt.% niobium, up to 0.05 wt.% vanadium, up to 0.05 wt.% titanium, up to 0.05 wt.% aluminum, up to 0.04 wt.% Sulphur and phosphorous, up to 0.012 wt.% of nitrogen and 0.0005 to 0.01 wt.% boron and the balance being iron and impurities, and thermomechanical rolling of the billet / bloom into rebar with FRT of 9801100 deg. C and equalization temperature of 600680 deg. C for 612mm diameter and 540640 deg. C for 16 40 mm diameter. Number of Pages = 21 Best View in Resolution of 1024x768 or later. Enable Javascript for Better Performance.