Building Materials Research & Testing Laboratory of National Building Research Organisation is the only laboratory in Srilanka, which was granted ISO 17025 Accreditation for Performing Mechanical Testing on Steel bars. Steel testing is performed by highly experienced technical staff under the supervision of qualified Engineers. Laboratory consists with a Universal testing machine which can be operated in five different load ranges with a maximum loading capacity of 1000kN and Automatic Universal testing machine with extensometer with a maximum loading capacity of 600kN.
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Universal Testing Machine (1000kN) |
Tensile testing of steel reinforcement bar
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Following steel testing services can be attained from BMRTD
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STEEL RE-BARS – SLS 375/BS 4449 |
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Dimensional Properties |
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Re bars As per SLS 375 |
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❖ Dimensions ❖ Mass per meter run ❖ Rib geometry |
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Re bars As per BS 4449 |
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❖ Dimensions ❖ Mass per meter run ❖ Rib geometry |
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Tensile and Mechanical Properties |
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Structural Steel sections and Flat steel As per SLS 978 and BS 10002-1 |
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❖ Dimensions ❖ Mass per meter run ❖ Tensile strength and Elongation of Structural steel section and flat steel (specimen cut to required shape) |
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Re bars ,Mild steel wires as per SLS 949,26 and 139 |
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❖ Tensile strength and Elongation of 6-40 mm dia. Plain steel bars |
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Re bars As per SLS 375 |
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❖ Tensile strength & Elongation of 6-32mm dia. deform steel bars |
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Re bars As per BS 4449, BS 5896, BS 4565 & BS 1052 |
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❖ Tensile strength & Elongation of 6-32mm dia. deform steel bars ❖ Tensile strength & Elongation of 3-7mm dia High tensile steel bars ❖ Tensile Test of Wire strand up to 18mm dia. ❖ Tensile strength & Elongation of 3-8mm dia galvanized bars ❖ Tensile test of welded joint |
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Re-bending |
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Re bars As per SLS 96 |
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❖ Re-bending of 6-32 mm dia. Plain steel bars |
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Re bars As per BS 4449 |
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❖ Re-bending of 6-32mm dia. Plain steel bars |
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