Refractories for Integrated Steel Plants Bharat Bhari Udyog Nigam Limited

General Manager -
Marketing
Bharat Bhari Udyog Nigam Ltd
26 Raja Santosh Road
Kolkata 700027
West Bengal, India

Phones:
+91-33- 24795535
Fax:
+91-33-24797046
E-mail: info@bbunl.com

	MgO Min	SiO_{2 Max}	CaO Max	Cr₂O₃	Fe₂O₃	Al₂O₃ Max	RETAINED CARBON Min @1100^oC	A.P. MAX	CCS MIN Kg/Cm²	RUL Min Ta^oC	PCE% Min	B.D. Min gm/cc	PLC% 2hr/1600 Max	Tharmal Spelling Min WQ @1300oC	Sp.Gr. Min	HMOR Min 1400oC 1/2hrs	SIZE(+/-) TOLERANCE
MAGNESITE BRICKS (BURNT)001	85	6.5	2.5					22	350	1550					3.53		1%or 1 mm
MAGNESITE BRICKS (BURNT)027	87	5.5	2.00					22	450	1600		2.80	0.5%				1.5%or 1 mm
MAGNESITE BRICKS SPL 002	91	5	2					18	600	1600		2.95					1%or 1 mm
MAG BRICKS EXTRA SPL 003	91	4	2					18	600	1600							1%or 1 mm
*MAG BRICKSKOFR.004**	95	1	1.5					18	600	1750	SK 40	2.90					1%or 1 mm
MAG TIM KORF TUVER 005	95	1	3		0.7	0.7	5	7	500			3.00*					1.5%or 1 mm
MAG TIM (BOF THB/THS) 006	95	1	2		1		1-2	6	550	1650		2.95					1.5%or 1 mm
*MAG(CB)NOZZLES 007**	85								250			2.50					1.5%or 1 mm
MAG LIME SHAFT KILN 008	85	6.5	2.5					22	350	1600			+/-0.2				1.5%or 1 mm
MAGCHROME BURNT ROOF 009	63	6.3		7-15				22	300	1600			+/-0.5	5			1.5%or 1 mm
MCH FOR DOLOMITE KILN 010	81	3.5		7				16	350	1640						35	1%or 1 mm
MCH FOR ROTARY KILN 011	60	6.5		15				24	250	1630							1%or 1 mm
MAGCHROME FOR VOD/VAD 012	68	5		8		9		20	300	1650	SK 40	2.90					1%or 1 mm
MAGCHROME BURNT BOF 013	70			7-12				20	350	1580				5			1.5%or 1 mm
MCH LIME SHAFT KILN 014	74	6		6.5				23	250	1600			+/-1				1.5%or 1 mm
MCH FOR DOLOMITE KILN VSP	60	3		15				18	500	1700						80-120	1.5%or 1 mm
MCH SCCB 015	55	6.5		6				16	400	1550			+/-1				1.5%or 1 mm
MCH SCCB FOR EAF 016	60	6		8				15	400	1550		2.90					1%or 1 mm
MCH SCCB FOR LIME K1 017	73	5	1	9	4.5	8		10	700	1700		3.00	+/-0.5				1%or 1 mm
MCH SCCB TAB HANGER 018	65	5.8		13				12 23*	600	1600		3.00					1%or 1 mm
CHRMAG BURNT 019	30			18				24	250	1600			+/-0.5	A.C.20			1%or 1 mm
CHRMAG CHEM BONDED 020	30			18				16	400	1550			+/-1				1.5%or 1 mm
CHRMAG CHEM BONDED 021	44	5.5	1	21	9	19		10	550	1700							1.5%or 1 mm
MCB FOR CHARGE PAD 022							TOTAL C%					3.18					1%or 1 mm
MCB FOR TRUNION TAP 023*	90	1	2		0.7	4 MIN	6-8	3	500			2.95				110	LENTH:UPTO 350mm+/-1mm
HOLE,SLAG LINE,TAPING SIDE	90	1	2		0.7	4 MIN	9-11	3.5	450			2.92				110	>350mm+/-2mm W/T+/-1mm
MCB FOR BOTTOM AND GENERAL PURPOSE 024*	90	1	2		0.7	4 MIN	8-10	4	400			2.92				90	LENTH:UPTO 350mm+/-1mm
MCB FOR VAD&EAF GENERAL PURPOSE 025*	90	1	2		0.7	4 MIN	10-12	3.5	450			2.95				100	>350mm+/-2mm W/T+/-1mm