RS Steel
Steel and RB500 QST rebar in Sri Lanka.
RS Steel (IWW Steel Industries) is a Sri Lankan steel manufacturer producing RB500 QST reinforcement bar and mild steel round bars to SLS 375:2009, compliant with BS 4449:2005+A2:2009, with mill test certificates and full traceability from its Western Province mill.
| What we make | RB500 QST rebar (8–20 mm) and mild steel round bars |
|---|---|
| Standards | SLS 375:2009; compliant with BS 4449:2005+A2:2009 |
| Founded | 2009 |
| Distributor network | 350+ partners across all 9 provinces of Sri Lanka |
| Delivery | Island-wide delivery; factory pickup at Nugape, Uswetakeiyawa |
| How we sell | Mill-direct by weight (tonnes); smaller orders routed to distributors |
Why builders choose RS Steel
RS Steel supplies high-yield RB500 QST reinforcement engineered for strength, ductility, and weldability in reinforced-concrete construction. Every batch is produced under controlled rolling and quenching, then documented with a mill test certificate so engineers can verify mechanical properties and chemistry against design assumptions.
- Certified quality: SLS 375:2009 baseline and BS 4449:2005+A2:2009 compliance.
- Traceability: mill test certificates and bundle tags link bar to batch.
- Consistent bar mass: controlled rolling supports reliable weight per metre.
- Nationwide reach: 350+ authorised distributors across Sri Lanka.
Products at a glance
- RS RB500 QST rebar — high-yield reinforcement, 8–20 mm, 6 m and 12 m lengths.
- RS MS round bars — mild steel round bars, Grade 5275, sizes 10, 12, 16, 20 mm.
Frequently asked questions
What is RS Steel?
RS Steel is the brand of IWW Steel Industries (Pvt) Ltd., a Sri Lankan manufacturer of RB500 QST reinforcement bar and mild steel round bars, founded in 2009 and based in Uswetakeiyawa, Western Province.
Is RS Steel the same as RS Kambi?
Yes. RS, RS Steel, RS Kambi and RS Yakada all refer to the same brand. "Kambi" and "yakada" are the everyday Sinhala and Tamil words for steel reinforcement bars.
What standards does RS Steel meet?
RS Steel reinforcement is manufactured to SLS 375:2009 and is compliant with BS 4449:2005+A2:2009, supplied with mill test certificates.
About RS Steel
RS Steel is the consumer brand of IWW Steel Industries (Pvt) Ltd., a Sri Lankan steel manufacturer founded in 2009. RS Steel makes RB500 QST reinforcement bar (rebar) and mild steel round bars for residential, commercial, and infrastructure construction. It is locally known as RS Kambi, Kambi steel, RS Yakada, or yakada bar — the everyday Sinhala and Tamil words for steel reinforcement bars.
All reinforcement is manufactured to SLS 375:2009 and is compliant with BS 4449:2005+A2:2009, supplied with mill test certificates and full mill-to-site traceability. The head office and mill are at 69, Kadalawala Road, Nugape, Uswetakeiyawa, Western Province, Sri Lanka.
| Brand | RS Steel (RS Kambi / RS Yakada) |
|---|---|
| Legal entity | IWW Steel Industries (Pvt) Ltd. |
| Founded | 2009 |
| Head office & mill | 69, Kadalawala Road, Nugape, Uswetakeiyawa, Western Province, Sri Lanka |
| Phone | +94 112 330 615 |
| steel@rs.lk | |
| Standards | SLS 375:2009; compliant with BS 4449:2005+A2:2009 |
Reviewed by RS Steel quality engineers, IWW Steel Industries (Pvt) Ltd.