QT Bar Sri Lanka | Ceylon Steel Corporation Limited | Lanwa

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ලංවා QT BARS තෝරාගතයුත්තේ

Lanwa QT Bars are manufactured using the Quench and Self Tempered process giving a Yield Stress of over 500MPa and other mechanical parameters confirming to SLS 375; 2009 standards ( BS4449:2005 equivalent).

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Phiysical Parameters of LANWA QT Bars

Nominal Diameter mm	Cross Sectional Area Nominal mm²	Mass per meter Nominal	No. of 6m Rods per Metric Ton(Average)
8	50.3	0.395	420
10	78.5	0.616	270
12	113	0.888	187
16	201	1.580	105
20	314	2.470	67
25	491	3.850	43
32	804	6.310	26
40	1257	9.860	16.9

Characteristic Tensile Properties of LANWA QT Bars

Grade	Yield Strength Rw_e (Min.) MPa	Tensile/Yield Strength Ratio R_m/R_e (Min.)	Total Elongation at Maximum Force A_gt (Min.) %	Total Elongation at Fracture A_t (MIn.) %
RB 500 (SLS 375:2009)	500	1.05^a	2.5	14
B500B BS 4449:2005)	500	1.08	5.0	Not Specified