QT Bars

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Sri Lanka’s One & Only
Scrap-Metal Free Rebar

Why Choose
Lanwa QT Bars?

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 Rwe (Min.) MPa Tensile/Yield Strength Ratio Rm/Re (Min.) Total Elongation at Maximum Force Agt (Min.) % Total Elongation at Fracture At (MIn.) %
RB 500
(SLS 375:2009)
500 1.05a 2.5 14
B500B
BS 4449:2005)
500 1.08 5.0 Not Specified