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At SIW, our people are the driving force behind our success.
Every wire we manufacture and every solution we deliver reflect the dedication, expertise, and collaborative spirit of the SIW family.
Together, we create connections that strengthen industries and shape a better world.
Miss Naiyana Thamnao
Chief Human Resources Officer
05-07-2023
How deep should the pile be drilled to ensure safety?Piles are an essential component used to support and transfer the weight and load of a building to the ground. The load transfer of a pile occurs through the frictional resistance between the pile surface and the surrounding soil or through direct load transfer to the underlying soil or bedrock. The main purpose of using piles is to prevent the building or structure from settling or sinking into the ground. For small-scale buildings, the piles used are generally shorter in length and fewer in number. However, larger buildings may require a greater number of piles or longer piles to transfer the load to deeper layers of soil and bear a higher load capacity. If the pile extends to the level of hard soil, it can directly transfer the load from the building to the hard soil layer. How do piles bear the load?Piles bear the load through two main types of forces: "skin friction" and "end bearing." 1. Skin Friction: This force is generated by the frictional resistance between the pile surface and the surrounding soil. The magnitude of this force depends on the type of soil (each soil type has different skin friction properties) and the characteristics of the pile surface. 2. End Bearing: This force occurs at the pile tip, where the pile rests on a firm soil layer. The magnitude of this force depends on the type of soil, such as the presence of voids between soil particles. Soils with more voids have a lower load-bearing capacity, while compacted sands have a higher load-bearing capacity. In general pile design, for skin friction piles, the focus is on the size and length of the pile to generate sufficient lateral friction to support the applied load. For end bearing piles, the design aims to have the pile sit on a compacted sand layer. Types of piles used in construction can be broadly categorized into three main types based on their manufacturing and usage characteristics: 1. Spun Piles: These piles are produced by spinning concrete in a mold at high speed. This process results in a dense and strong concrete core with embedded steel reinforcement. Spun piles can be driven or drilled and are suitable for high-rise buildings that require strength to withstand wind loads and earthquakes. 2. Bored Piles: Bored piles are constructed by drilling a hole and then placing steel reinforcement and concrete into the drilled hole. They come in various lengths and sizes as specified. Bored piles are suitable for projects that require high strength and load capacity. 3. Prestressed Concrete (PC) Piles: PC piles are manufactured by placing concrete into a mold that contains prestressed steel wires or strands. The concrete is then compressed to enhance its strength. PC piles are used in construction projects that require high strength and durability in various environmental conditions. Siam Wire Industries (SIW) offers PC Wire and PC Strand, which are the primary components used in the production of prestressed concrete piles. SIW has gained recognition in over 50 countries worldwide and provides post-sales services, including on-site wire pulling tests for customers. These services ensure customer confidence in using SIW's prestressed wire products. PC Wire: [Link to SIW's PC Wire product page] (https://www.siw.co.th/en/product-detail/pc-wire) PC Strand: [Link to SIW's PC Strand product page] (https://www.siw.co.en/th/product-detail/pc-strand)
02-09-2025
We can’t control the weather, but we can plan ahead.Don’t let rain slow you down, use these simple techniques to keep your project on track, protect your materials, and avoid costly delays.1. Check the Weather DailyMonitor forecasts every morning to adjust your work schedule accordingly. 2. Drain Standing Water DailyNever leave water to pool at the site. It can weaken soil conditions and threaten the stability of the foundation and structure.3. Start with Indoor Work FirstPrioritize indoor or covered tasks first. This allows construction work to continue with minimal disruption, even during periods of rain.4. Protect Materials and EquipmentStore cement, steel, wood, and electrical tools in dry areas or cover them with waterproof tarps to avoid damage and reduce replacement costs.5. Set Up Temporary Drainage SystemsUse temporary drainage systems like trenches or PVC pipes to quickly redirect rainwater and keep the site safe and operational.ðĄ Small steps like these can save time, reduce costs, and maintain construction quality—even during the rainy season.Plan smart. Store safely. Prevent damage before it happens.#ConstructionTips #RainySeasonReady #SiteManagement #ProjectPlanning #BuildSmart
13-05-2025
Sustainability is not just our goal—it’s our responsibility.At SIW, we are committed to leading the steel industry toward a cleaner, smarter future. From reducing carbon emissions and ensuring zero wastewater discharge to integrating AI-driven efficiency and nurturing our team’s growth, every step we take is driven by a clear mission:Achieve Net Zero by 2050.Hear from our Managing Director, Chandrasekaran Srivatsan, on how we’re building a more sustainable tomorrow.hashtag#Sustainability hashtag#NetZero2050 hashtag#GreenSteel hashtag#AIforSustainability hashtag#SIW hashtag#EPD
07-07-2026
PC Wire is More Than Just for Concrete PilesSIW’s PC Wire is designed to support a wide range of prestressed and precast concrete applications, delivering strength, durability, and confidence to every project.ð Suitable for:âïļ Concrete Pilesâïļ Electric Polesâïļ Railway Sleepersâïļ Precast Concrete Slabsâïļ Hollow-core Slabsâïļ Precast Concrete Fencesâ High-quality products meeting international standardsâ Ideal for various construction and infrastructure applications Click >>HERE<< to See Our Product
25-06-2025
What are the applications of 7-wire PC Strand?1. LNG Tank – Liquefied Natural Gas Storage Tank2. Wind Tower – Wind Turbine Tower3. Nuclear Reactor Tank – Nuclear Reactor Containment Tank4. Bonded Post Tension Bridge – Bonded Post-Tensioning Bridge System5. Beam & Column – Beams and Columns6. Bridge Girder – Bridge Girders7. Plank Girder – Precast Floor Girders8. Concrete Pile – Concrete Piles9. Hollow Core Plank – Hollow Core Slabs10. Cement Silo – Cement Storage Silo11. Precast Segmentation Box – Precast Concrete Segment Box12. Water Treatment Tank – Water Treatment TankSIW's PC Strand has been tested and certified to meet global quality standards and certifications with sales in over 70 countries worldwide. Additionally, the product is environmentally conscious, using raw steel wire with a significant proportion of recycled materials.Diameter: 7.9 - 18 mmStandards: TIS 420-1997, AS/NZS 4672-2007, ASTM A416-2016, ASTM A416-2017, ASTM A886-2012, BS 5896-2012, prEN 10138-2012, JIS G 3536-2014, LNEC E 453-2020, XPA35-04503, MS 1138-4-2007, SNI 1154-2011, TSE 5680-1998, IS 14268-1995, GB/T 5224-2014, NBR 7483, UNE 36094-1997, SFS 1265-3, SS 212553-2013, NEN 3868, NBN I 10-003, UNI 7676-2016Contact us:Email: marketing@siw.co.thTel: (+66) 81-170-2571 hashtag#PCStrand
08-06-2022
SIW āļāļģāļāļļāļĢāļāļīāļāļāđāļ§āļĒāļŦāļĨāļąāļ ESG āļāļĩāđāļāļēāļāļāļāđāļāļĢāđāļāļīāļāđāļāđāļĨāļ°āļĒāļąāđāļāļĒāļ·āļ āļĄāļĩāļāļēāļĢāļāļģāđāļāļīāļāļāļēāļĢāđāļāļāđāļēāļ Environment, Social and Governance (ESG) āļāļĨāļāļāļĢāļ°āļĒāļ°āđāļ§āļĨāļēāļāļēāļĢāļāļģāđāļāļīāļāļāļļāļĢāļāļīāļāļāļāļāļāļĢāļīāļĐāļąāļāļŊ āļāļēāļĢāļāļģāđāļāļīāļāļāļīāļāļāļĢāļĢāļĄāļāđāļēāļāļŠāļąāļāļāļĄ Social āđāļāļ·āđāļāđāļŠāļāļāļāļ§āļēāļĄāļĄāļļāđāļāļĄāļąāđāļāđāļĢāļ·āđāļāļāļāļ§āļēāļĄāļĢāļąāļāļāļīāļāļāļāļāļāđāļāļŠāļąāļāļāļĄāļāļąāđāļāļ āļēāļĒāđāļāđāļĨāļ°āļ āļēāļĒāļāļāļāļāļāļāđāļāļĢāđāļāļĒāļāļĢāļīāļĐāļąāļāđāļāđāļĢāļąāļāļāļēāļĢāļĢāļąāļāļĢāļāļāļĄāļēāļāļĢāļāļēāļ ISO 45001, TIS 18001, āļĄāļĢāļ 8001 āđāļĨāļ° CSR-DIW āļāļĨāļāļāļāļķāļāļŠāđāļāđāļŠāļĢāļīāļĄāļāļēāļĢāļĄāļĩāļŠāđāļ§āļāļĢāđāļ§āļĄāđāļĨāļ°āļāļēāļĢāļāļĢāļķāļāļĐāļēāļŦāļēāļĢāļ·āļāļāļāļāļāļāļąāļāļāļēāļāđāļĨāļ°āļāļļāļĄāļāļ āļĄāļĩāļāļēāļĢāļāļģāđāļāļīāļāļāļēāļāļāļēāļĢāđāļŦāđāļāļĢāļąāļāļāļĢāļļāļ-āđāļŠāļĢāļīāļĄāļŠāļĢāđāļēāļāļāļ§āļēāļĄāļāļĢāļ°āļŦāļāļąāļāļāļ§āļēāļĄāļāļĨāļāļāļ āļąāļĒāđāļāđāļāļāļąāļāļāļēāļ āļāļēāļĢāđāļŦāđāļāļ§āļēāļĄāļĢāļđāđāđāļŦāđāđāļāļ§āļāļēāļāļāļēāļĢāļāļģāđāļāļīāļāļāļļāļĢāļāļīāļāļāļąāļāļāļđāđāļāļĢāļ°āļāļāļāļāļēāļĢāđāļĨāļ°āļāļļāļĄāļāļ āļāļēāļĢāļāļĢāļīāļāļēāļāđāļŦāđāļāļąāļāļāļēāļĢāļŠāļĢāđāļēāļāļŦāđāļāļāļŠāļĄāļļāļ āļāļēāļĢāļĄāļāļāļāļļāļāļāļēāļĢāļĻāļķāļāļĐāļēāđāļŦāđāļāļąāļāļŠāļāļēāļāļĻāļķāļāļĐāļēāļāļĩāđāļāļąāđāļāļāļĒāļđāđāđāļāļāļ·āđāļāļāļĩāđāđāļāļĨāđāđāļāļĩāļĒāļāļāļąāļāļāļĢāļīāļĐāļąāļ āļāļēāļĢāļŠāļĢāđāļēāļāļāļīāļāļāļĢāļĢāļĄāļŠāļģāļāļķāļāļāđāļēāļāđāļāļīāļāļāļāļāļāļāļąāļāļāļēāļ āđāļāļāđāļēāļāļŠāļīāđāļāđāļ§āļāļĨāđāļāļĄ Environment āļāļĢāļīāļĐāļąāļāđāļāđāļĢāļąāļāļāļēāļĢāļĢāļąāļāļĢāļāļāļĄāļēāļāļĢāļāļēāļ ISO 14001, ISO 50001, Product carbon footprint label āđāļĨāļ° Environmental Product Declarations (EPD) āđāļāļĒāđāļāļāļļāļāļāļĩāļāļĢāļīāļĐāļąāļāļĄāļĩāļāļēāļĢāļāļąāļāļāļģāļĄāļēāļāļĢāļāļēāļĢāļāđāļēāļāļŠāļīāđāļāđāļ§āļāļĨāđāļāļĄ āļĄāļēāļāļĢāļāļēāļĢāļāļāļļāļĢāļąāļāļĐāđāļāļĨāļąāļāļāļēāļ āļĄāļēāļāļĢāļāļēāļĢ Low Emission Support Scheme (LESS) āđāļāļ·āđāļāļĨāļāļāļĨāļāļĢāļ°āļāļāļāđāļāļŠāļīāđāļāđāļ§āļāļĨāđāļāļĄāļāļēāļāļāļēāļĢāļāļģāđāļāļīāļāļāļļāļĢāļāļīāļ āļāļĨāļāļāļāļķāļāļĄāļļāđāļāļĄāļąāđāļāļāļēāļĢāļĨāļāļ āļēāļ§āļ°āđāļĨāļāļĢāđāļāļāļāļąāļāđāļāļīāļāļāļēāļāļāđāļēāļāđāļĢāļ·āļāļāļāļĢāļ°āļāļ āļŠāļģāļŦāļĢāļąāļāđāļāļāđāļēāļāļŠāļīāđāļāđāļ§āļāļĨāđāļāļĄāļāļĩāđāļāļĢāļīāļĐāļąāļāļāļĒāļđāđāļĢāļ°āļŦāļ§āđāļēāļāļāļĒāļēāļĒāļāļ§āļēāļĄāļŠāļēāļĄāļēāļĢāļāļāļģāđāļāļīāļāđāļāļĢāļāļāļēāļĢ Carbon Border Adjustment Mechanism (CBAM) āđāļāļāđāļēāļāļāļĢāļĢāļĄāļēāļ āļīāļāļēāļĨ Governance āļāļĢāļīāļĐāļąāļāđāļāđāļĢāļąāļāļāļēāļĢāļĢāļąāļāļĢāļāļāļĄāļēāļāļĢāļāļēāļ ISO 9001, ISO/IEC 17025, NATA-ISO/IEC 17025 āđāļĨāļ°āļĄāļēāļāļĢāļāļēāļ Product certificate āļāļēāļāđāļāđāļĨāļ°āļāļĢāļ°āđāļāļĻāļĄāļēāļāļāļ§āđāļē 25 āļĄāļēāļāļĢāļāļēāļāļāļēāļĢāļĢāļąāļāļĢāļāļāļāļĨāļīāļāļ āļąāļāļāđ āļāļēāļāļī TIS, UK CARES, DCL, ASTM, JIS, MS, NZ āđāļĨāļ° AS āđāļāđāļāļāđāļ āđāļāđāļāļāļēāļĢāļŠāļĢāđāļēāļāļāļ§āļēāļĄāļĄāļąāđāļāđāļāđāļŦāđāļāļąāļāļĨāļđāļāļāđāļē āļāļđāđāļāđāļē āđāļĨāļ°āļŦāļāđāļ§āļĒāļāļēāļāļĢāļēāļāļāļēāļĢ āļ§āđāļēāļāļĢāļīāļĐāļąāļāļŠāļēāļĄāļēāļĢāļāļāļĨāļīāļāļŠāļīāļāļāđāļēāđāļĨāļ°āđāļŦāđāļāļĢāļīāļāļēāļĢāļāļĒāđāļēāļāļĄāļĩāļāļļāļāļ āļēāļāļŠāļāļāļāļĨāđāļāļāļĄāļēāļāļĢāļāļēāļāļŠāļēāļāļĨ āļŠāđāļāļāļĨāđāļŦāđāļāļĢāļīāļĐāļąāļāđāļāđāļĢāļąāļāļāļ§āļēāļĄāđāļ§āđāļ§āļēāļāđāļāļāļąāļāļāļđāđāļāđāļēāļĄāļēāļāļāļ§āđāļē 50 āļāļĢāļ°āđāļāļĻāļāļēāļāļāļąāđāļ§āđāļĨāļ āđāļĨāļ°āļāļĢāļīāļĐāļąāļāļĄāļĩāļāļēāļĢāļāļģāđāļāļīāļāđāļāļĢāđāļāļĢāļĄāļāļēāļĢāļāļąāļāļāļēāļāļ§āļēāļĄāļĢāļđāđ āļāļ§āļēāļĄāļŠāļēāļĄāļēāļĢāļāļāļāļāļāļāļąāļāļāļēāļāļāļĒāđāļēāļāđāļāđāļāļĢāļđāļāļāļĢāļĢāļĄāđāļĨāļ°āđāļāđāļāļĢāļ°āļāļāļāđāļēāļāļāļĢāļ°āļāļ§āļāļāļēāļĢ QCC āļāļķāđāļāđāļāļāļļāļāļāļĩāļāļāļąāļāļāļēāļāļāļāļāļāļĢāļīāļĐāļąāļāļāļĩāđāļāđāļēāļāļāļēāļĢāļāļąāļāļāļēāļāļ§āļēāļĄāļĢāļđāđ QCC āļāļĩāđ āļŠāļēāļĄāļēāļĢāļāļŠāđāļāļāļĨāļāļēāļāđāļāđāļēāļāļĢāļ°āļāļ§āļāļāļģāđāļŠāļāļāļāļĨāļāļēāļāđāļāļĢāļ°āļāļąāļāļāļĢāļ°āđāļāļĻ āđāļĨāļ°āļāļēāļāļēāļāļēāļāļī āđāļĨāđāļ§āļŠāļēāļĄāļēāļĢāļāđāļāđāļĢāļąāļāļĢāļēāļāļ§āļąāļĨāļĢāļ°āļāļąāļ Gold āđāļāđāļāļļāļāļāļĩ āđāļāđāļāļāļĩāđāļ āļēāļāļ āļđāļĄāļīāđāļāļāļāļāļāļāļąāļāļāļēāļ āļāļĢāļāļāļāļĢāļąāļ§āļāļāļāļāļāļąāļāļāļēāļ āđāļĨāļ°āļāļāļāđāļāļĢ
17-02-2023
In the construction of housing estates or condos at present, most of them have begun to use precast concrete widely instead of the traditional brick wall construction. Especially in the construction of large villages that require a large number of similar houses. Because it can help save resource costs in many aspects, such as time and manpower. It can also control standards better than brick construction. and today, Siam Steel Wire We will take a closer look at why precast concrete walls are popular among builders. And what should the residents do when using a house built from precast concrete? What is Precast Concrete? Precast Concrete is a part of the wall of a house or condo that will be precast in the factory before being moved for installation at the job site. This is different from the plastered brick wall that will be cast on site by the contractor. Precast Concrete has two main components, which are concrete texture and reinforcement with Wire Mesh or Cold Drawn Wire. Advantages of Precast Concrete1. Save construction time because the precast concrete wall can be cast and prepared in the factory during foundation assembly and then welded and assembled on-site.Unlike brick walls, construction only begins after the foundation has been assembled.2. Quality meets the same standard Because there is a casting from the factory, it does not depend on the skill of the mechanic or the weather at the job site.3. It requires much less labor than brick walls. because every part has been successfully cast from the factory and therefore can be placed in the house.4. High strength, so it can be used instead of columns or beams to support weight. because the structure consists of concrete and is also reinforced with Wire Mesh or Cold Drawn In addition, Siam Industrial Wire sells wire mesh and cold drawn from 4 mm to 12 mm, ready for use in precast concrete wall assembly, and it has met global standards, so you can be confident in its strength. more details: https://www.siw.co.th/en/product-detail/wire-mesh Caution1. Precast Concrete will not encounter cracks because the parts are cast in the same piece. But there may be a problem of water leakage along the edge of the wall joint if the connection is not tight enough.2. Wall drilling must be advised by engineers if it is supporting the weight of the structure.
10-03-2023
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