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Chemical Properties

RHL Gold TMT Bars conform to chemical composition as specified in IS 1786: 2008 standards. However, the levels of chemical constituents like Carbon, Sulphur and Phosphorous are maintained much below the levels as specified in IS 1786, which imports excellent ductility, high bendability, better corrosion resistance, better weldability and therefore high longevity in construction. This is possible because of strict quality testing by disciplined and dedicated quality control personnel using a modern laboratory having equipments like Spectrometer, electronic Universal Testing machine (UTM) etc.

The analysis for various grades of steel is done as per relevant part of IS : 228 quality standards and maximum permissible %age of constituents are as below :-

Chemical Constituent Unit Fe 500 Fe 500D Fe 500S Fe 550 Fe 550D Fe 600
Carbon (C) % Max 0.30 0.25 0.25 0.30 0.25 0.30
Carbon Equivalent (CE) % Max 0.42 0.42 0.42 0.42 0.42 0.42
Sulphur (S) % Max 0.055 0.040 0.040 0.055 0.040 0.040
Phosphorus (P) % Max 0.055 0.040 0.040 0.050 0.040 0.040
S + P % Max 0.105 0.075 0.075 0.100 0.075 0.075

• Where CE = C + (Mn/6)
• Where Mn Stands For Manganese

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