- Home
- About Us
-
SIW Product / Service
- SIW Product / Service
- Product
- Service
- Certification / Standard
- Sustainability
- News
- Work With Us
- Contact Us
-
Font Size
- S
- M
- L
วันที่ 18 สิงหาคม พ.ศ. 2565 บริษัท สยามลวดเหล็กอุตสาหกรรม จำกัด ร่วมส่งมอบตัวอย่างผลิตภัณฑ์ลวดเหล็กกล้า ขนาด 5 มม. และลวดเหล็กกล้าตีเกลียว ขนาด 9.3 มม. (PC Wire และ PC Strand) แก่คณะวิศวกรรมโยธาและวิศวกรรมก่อสร้าง มหาวิทยาลัยเทคโนโลยีราชมงคลตะวันออก วิทยาเขตอุเทนถวาย รวมทั้งสิ้นจำนวน 60 เส้น อีกทั้งยังมีการแนะนำอบรมกระบวนการผลิต เพื่อใช้เป็นสื่อการเรียนการสอนระดับปริญญาตรีและปริญญาโท สยามลวดเหล็กฯ มีความยินดีที่จะส่งเสริมสร้างสรรค์การพัฒนาบุคลากรภาคการศึกษา เพื่อให้เกิดความเข้าใจและชำนาญในวิชาชีพและต่อยอดเป็นแรงงานที่มีคุณภาพในอุตสาหกรรมในอนาคต
13-07-2026
⚽️ Predict the FIFA World Cup 2026 Champion and Win Exclusive SIW Prizes! 🎉Join the fun by predicting which national team will win the FIFA World Cup 2026 for a chance to receive one of 10 special prizes from SIW.🎁 Prizes🏆 1 Official Football Jersey worth THB 3,000 (Champion Team Design)🏆 3 National Flag Neck Pillows (Designs of the Top 3 Runner-up Teams)🏆 6 SIW Bags📌 How to Participate1️⃣ Follow the SIW Facebook page, share this post publicly, and comment with proof of your share. 2️⃣ Comment with your prediction of the FIFA World Cup 2026 Champion.*Limited to one entry per person.📅 Activity PeriodNow – 19 July 2026, 6:00 PM (Thailand Time)🎉 Winner Announcement21 July 2026📌 NoteParticipation is valid only through the SIW Facebook page.Click >>HERE<< to JoinGood luck! ⚽💙
01-07-2025
What is "Fatigue"?Why Must Strong Structures Pass This Test?In engineering, a material being strong doesn’t always mean it’s durable.What’s more challenging than tensile strength is repeated loading, also known as Fatigue.What is Fatigue?Fatigue is the weakening of a material caused by repeated loading and unloading.For example, steel wires used in prestressed concrete, piles, or bridges may not break from a single force.But after tens or hundreds of thousands of repeated stresses, the material becomes "fatigued" — and can fail without warning.Examples of Fatigue-Related Failures:Bridge cables snapping after just a few years of useStructural collapse due to continuous vibrationsDamage invisible to the naked eyeWhy Perform Fatigue Testing at SIW-Testing Service Center?1. Internationally Certified StandardsSIW operates the only wire testing lab in Thailand certified for Fatigue Testing by NATA (Australia’s national lab accreditation body).This guarantees that all equipment and processes meet strict international standards.2. Real Testing — Beyond TheoryWe simulate repeated stress cycles to determine how many times your wire can withstand force before failure.You’ll receive detailed reports with clear graphs, backed by advanced tools and expert analysis.3. Supporting Nation-Level ConstructionSIW supports major infrastructure projects—expressways, bridges, rail systems—where high-performance wire is critical.Fatigue testing is a key step before the wire is ever used in the field.
20-01-2023
'ทำไมจึงต้องเลือกใช้สินค้าของสยามลวดฯ' มาดูวิสัยทัศน์ และแนวคิด ของคุณสรณีย์ ดีพันธุ์พงษ์, กรรมการผู้จัดการ บริษัท ยูไนเต็ดคอนสตรัคชั่นแมติเรียล จำกัด (UNICO) ผู้ผลิตเสาเข็มสปันเจ้าแรกในประเทศไทย เรามาฟังคำตอบ ความเชื่อมั่น ความไว้วางใจ จากลูกค้าคนสำคัญของเราพร้อมกันเลย
26-08-2025
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 ThamnaoChief Human Resources Officer
16-12-2024
Construction Trends to Watch in 2025 Modern construction trends focus not only on developing advanced and robust structures but also on integrating clean and alternative energy sources to promote sustainability and reduce environmental impacts. These trends mark a significant step toward a sustainable future. Sustainable Construction The concept of sustainable construction is gaining significant traction in the construction industry as it aligns with ESG principles, emphasizing environmental impact reduction and efficient resource use. Examples include: Utilizing environmentally friendly construction materials. Implementing carbon-reduction techniques in construction processes. Managing waste effectively by sorting and recycling materials. This approach not only mitigates environmental impacts but also enhances resource efficiency, ensuring that modern structures meet current needs without depleting future resources. Digital Technology in Construction Digital technologies are transforming workflows in the construction industry, making them more efficient and sustainable. Examples include: IoT (Internet of Things): Real-time data collection devices for monitoring safety on construction sites. AI (Artificial Intelligence): Data analysis tools to optimize processes, such as safety risk assessments. BIM (Building Information Modeling): Enables precise structural designs and project management, minimizing material waste and construction errors. Other advanced technologies, such as drones for 3D site surveys and AR/VR for virtual design, reduce costs, improve safety, and facilitate accurate decision-making. Clean Energy The adoption of clean energy in construction is accelerating, particularly in large-scale projects aiming to minimize environmental impacts. Examples include: Solar Roofs: Lower energy costs and reduce greenhouse gas emissions. Wind Energy: Harnessing wind power to decrease reliance on fossil fuel-based electricity. Using clean energy not only lessens environmental impacts but also reduces energy costs, creating sustainable structures to meet future needs efficiently. Prefabrication Prefabricated construction is another key trend. This involves designing and manufacturing components such as pre-made walls, floor panels, columns, and roofs in controlled factory environments before assembling them on-site. Prefabrication speeds up construction, reduces site complexities, and ensures quality. SIW’s Commitment to Construction Trends SIW prioritizes key construction trends, such as employing AI to enhance operational efficiency, utilizing clean energy like solar power, and supporting sustainable construction through recycled materials from EAF (Electric Arc Furnace) technology. SIW has also achieved Green Industry Level 4 certification and is working towards its Net Zero carbon emission goal by 2050, advancing sustainability in all dimensions of the construction industry.
24-12-2025
Small details often overlooked ! Before steel wires can be used, proper storage is key.Protect your materials easily with 4 tips to store steel wire safely:✅ PC Wire: Stack Properly for Faster & Safer Transport.✅ PC Strand: Use Wooden Wedges to Prevent Rolling.✅ First in First out: Store in Order: First In, First Out.❌🔥 Avoid areas with sparks or high heat, which may cause the wire to break under tension. Store in a shaded, dry, and well-ventilated area. Our PC Wire and PC Strand are manufactured to international standards and trusted by customers both locally and abroad. We guarantee quality from production to delivery, ensuring you receive steel wires you can rely on at every step. 💪#SteelWireStorage #ConstructionTips #PCWire #PCStrand #QualitySteel
16-12-2025
Our PC Strand for Segmental Box Girder bridge structures is suitable for actual operating conditions. It has passed relaxation testing at internationally standardized temperatures, ensuring reliable resistance to fatigue from long-term bridge use. Moreover, our product is certified with EPD (Environmental Product Declaration), reinforcing our commitment to environmentally friendly manufacturing.With these outstanding properties, PC Strand from SIW delivers strength, safety, and long-term durability for bridge girder structures.#PCStrand #PCWire #SIW #StandardWire #Bridge #SegmentalBoxGrider
26-05-2025
Special Grade Earthquake-Resistant PC Strand - "A Safety Standard for Life Beyond Strength"In an earthquake situation, the very seconds when a structure begins to fail can determine life or death. Therefore, designing structures to delay "Collapse" becomes a critical factor in ensuring enough time for safe evacuation.At Siam Industrial Wire (SIW), we place great emphasis on every mechanical property of PC Strand, recognizing its importance as a key component in civil engineering design. Our special earthquake-resistant PC Strand is developed with a higher "Force Ratio" than standard products.• Force Ratio (the ratio between Breaking Load and Yield Load) in SIW’s PC Strand is higher than standard grades, meaning the steel does not fail immediately after reaching its yield point.• This allows the structure to withstand seismic forces longer, effectively "delaying" Collapse and giving occupants valuable time to evacuate safely.• Additionally, the increased "Plastic Deformation" of steel enabled by the high Force Ratio makes the product suitable for plasticity-based structural design, which emphasizes "Ductile Behavior".• And when exposed to seismic forces, this ductility causes serious and visible "Cracking" before total collapse occurs, serving as a warning sign that allows for timely intervention or evacuation.• It also helps reduce the risk of Nature Abrupt or sudden Collapse as plasticity-based design lowers the chance of instant concrete brittle failure — which in turn increases the likelihood of survival and reduces potential loss.SIW manufactures and exports special-grade PC Strand with a higher Force Ratio than standard requirements to Denmark, conforming to FprEN 10138-1&-3:2009 standards. These products are certified with the FI Marking of Denmark.At SIW, we are deeply aware of the impacts of natural disasters and the value of every life.
We are relentless in our pursuit for excellence in product quality and innovation. We take pride in being able to anticipate your needs and provide tailored solutions for each of your requirements. We strive to exceed expectations.