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| โทร: | 1-800-292-777 (โทรฟรี) หรือ 02-677-2800 |
| เวลาทำการ: | 9:00 - 17:30 น. จันทร์ - ศุกร์ (ยกเว้นวันหยุดราชการ) |
| อีเมล: | tell@thailand-ethicsline.com |
| เรื่อง: | สายด่วน SIW |
| ไปรษณีย์: | สายด่วน SIW ตู้ ปณ.2712 ไปรษณีย์บางรัก กรุงเทพฯ 10500 |
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.
16-10-2025
High-strength steel wires for prestressed concrete can change their structural properties immediately when exposed to heat. They may become brittle and break when pulled. To prevent damage, follow these precautions:1. Avoid sparks from welding or cutting metal.If welding or cutting near the wire, cover it with a wet cloth to protect it from sparks or heat.2. Check welding cables to ensure they are in good condition.As damaged cables may scratch or mark the wires during handling.3. Do not use welding wire to cut tensioned wires.As sparks can cause damage or break the wire.#SteelWire #ConcreteConstruction #SafetyFirst #ConstructionSafety
01-05-2023
To achieve continuous development of the compressive strength of concrete, it is necessary to fully hydrate the cement, which is accomplished through curing. Curing is a method that involves controlling and preventing the evaporation of residual water from the reaction. The objective of curing concrete is twofold: 1) to attain maximum strength and durability in the resulting concrete. 2) to regulate temperature and minimize water evaporation to avoid cracking. The following are typical techniques for curing concrete: 1) Regularly spraying water to keep the concrete moist. 2) Applying a plastic cover after spraying water to prevent water from evaporating. 3) Using sacks soaked in water to cover the concrete. 4) Applying a chemical coating to the surface of the concrete. The Siam Industrial Wire (SIW) provides PC WIRE TIS. 95-2540 and PC STRAND TIS. 420-2540, which are the primary components of prestressed concrete production and are acknowledged in over 50 countries worldwide. SIW offers after-sales services to customers, including free calibration of wire pulling machines at their site to ensure that customers can use prestressed wire with confidence. PC Wire: https://www.siw.co.th/th/product-detail/pc-wire PC Strand: https://www.siw.co.th/th/product-detail/pc-strand
20-11-2025
At SIW, we place the highest priority on the quality and accuracy of our testing. With modern and globally certified inspection equipment, you can be confident that the measurement results you receive are accurate, clear, and reliable.We utilize five types of testing machines, all of which are certified instruments capable of performing tests according to various international standards, including:1. Tensile Testing Machine (เครื่องทดสอบแรงดึง)🔬 Brand: Sans- Testing Standard "ISO15630-3 clause 5, ASTM A1061, TIS420 clause 6, AS/NZS4672, JIS G3536 clause 10.2"- PC Wire: Available to test product and Deform bar- PC Strand: Size range 9.3mm. - 18mm. , Foce range 10kN - 1,000kN🔬 Brand: Hung Ta- Testing Standard "ISO15630-2 clause 5, ISO15630-3 clause 5, ASTM A421 clause 5, TIS95 clause 6, AS/NZS4672,JIS G3536 clause 10.2"- PC Wire: Size range 4mm. - 9.4mm. , Foce range: 10kN - 500kN- PC Strand: Available to test product- Deform Bar: Size range: 4mm. - 11.9mm. , Foce range: 10kN - 500kN2. Fatigue Testing Machine (เครื่องทดสอบความล้า)🔬 Brand: Swick Roell- Testing Standard "ISO15630-1 clause 8, ISO15630-3 clause 10"- PC Wire: Size range 4mm. - 10mm. , Foce range: 10kN - 400kN- PC Strand: Size range 9.3mm. - 18mm. , Foce range: 10kN - 400kN- Deform Bar: Size range 10mm. - 30mm. , Foce range: 10kN - 400kN3. Relaxation Testing Machine (เครื่องทดสอบการคลายตัว)🔬 Brand: SO Engineering- Testing Standard "ISO15630-3 clause 9, ASTM A1061, TIS95, TIS420, AS/NZS4672, JIS G3536 clause 10.3"- PC Wire: Size range 4mm. - 9mm. , Foce range: 10kN - 300kN- PC Strand: Size range: 9.3mm. - 18mm. , Foce range: 10kN - 300kN 4. Salt Spray Testing Machine (เครื่องทดสอบละอองเกลือ)🔬 Brand: C & W- Testing Standard "ASTM B117"- PC Wire: Able to test all size maximun = 400 x 350 x 300 mm.- PC Strand: Able to test all size maximun = 400 x 350 x 300 mm.- Deform Bar: Able to test all size maximun = 400 x 350 x 300 mm.5. Chemical Analysis 🔬 Brand: Oxford- Testing Standard "ISO 14707"- PC Wire: Able to test all size: Sample diameter 5-90 mm. , Sample Length ≤ 140 mm.- PC Strand: Able to test all size: Sample diameter 5-90 mm. , Sample Length ≤ 140 mm.- Deform Bar: Able to test all size: Sample diameter 5-90 mm. , Sample Length ≤ 140 mm.📞 Contact us through any channel today.Call: 081-170-2571Line: @siwthailand
24-08-2026
🏗️ Choosing the right pile for the job is the first step toward a strong and reliable structure.✅ Prestressed Concrete Piles✅ Prestressed Spun Concrete Piles (Spun Piles)✅ Bored PilesEach type of pile is designed for different applications. Choosing the right one helps enhance structural strength while ensuring greater cost efficiency.hashtag#SIW hashtag#PrestressedConcrete hashtag#PCWire hashtag#PCStrand hashtag#Construction
08-06-2022
เมื่อพูดถึง “ไวร์เมช (Wire Mesh)” หลาย ๆ คนได้ยินชื่อนี้แล้ว อาจจะสงสัยว่ามันคืออะไร ซึ่งคนส่วนใหญ่จะเคยเห็นและรู้จักกันในภาพลักษณ์ที่เป็นตะแกรงเหล็ก แบบแผ่น หรือเป็นม้วนใหญ่ ๆ ตามไซต์งานก่อสร้างต่าง ๆ ไวร์เมช (Wire Mesh)หรือ ตะแกรงเหล็กไวร์เมช ที่เรามักได้ยินกันบ่อยๆนั้น รู้หรือไม่ว่ามันคืออะไร ตะแกรงเหล็กไวร์เมช (Wire Mesh) คือ ตะแกรงเหล็กกล้าเชื่อมติดเสริมคอนกรีต ผลิตจากลวดเหล็กรีดเย็น (Cold Drawn Steel Wire) นำมา อาร์คเชื่อมติดกันด้วยไฟฟ้าทำให้จุดทุกจุดหลอมละลายเป็นเนื้อเดียวกัน มีขนาดเส้นลวดขนาดต่างๆตั้งแต่ 4 มม. - 12 มม. และระยะห่างของเส้นลวดหรือที่นิยมเรียกว่า @ มีหลายขนาด เช่น 10*10 ซม / 15*15 ซม. / 20*20 ซม. / 25*25 ซม. / 30* 30 ซม. 40*40 ซม. / 50*50 ซม. สามารถตัดเป็นแผงได้ตามความต้องการโดยไม่เสียเศษเหล็ก จะใช้แทนการผูกเหล็กเส้นธรรมดาทั่วไปเป็นอย่างดี ทำให้ประหยัดเวลา ประหยัดเงิน และแรงงานได้มาก และมีความสม่ำเสมอของตะแกรงที่แน่นอน อีกทั้งยังช่วยยึดเกาะคอนกรีตไม่ให้แตกร้าวง่าย ไวร์เมช จึงเป็นที่นิยมใช้กันอย่างแพร่หลายในอุตสาหกรรมการก่อสร้างนั่นเอง
28-11-2024
Is It Really Worth It? Wire Testing Services from "SIW - Testing Service Center" In the world of the wire industry, quality testing is absolutely crucial. Whether you’re a manufacturer or a user of wire products, ensuring that your products meet quality standards and specific requirements directly impacts reliability and performance.How Does SIW's Wire Testing Service Compare to General Testing Providers? 1. Accuracy and Technology- SIW - Testing Service Center: Equipped with the latest internationally certified tools and technology, adhering to global standards such as ISO/IEC 17025.- General Providers: May rely on basic tools that lack updates or equivalent certifications. 2. Expert Team- SIW: Experienced engineers and scientists provide detailed analysis and professional insights.- General Providers: May have general-level specialists who cannot offer tailored advice or in-depth consultations. 3. Reliability of Test Results- SIW: Produces results recognized both domestically and internationally, ideal for exports and building customer confidence.- General Providers: Results may suffice for domestic use or preliminary testing but lack global credibility. 4. Range of Testing Services- SIW: Offers a comprehensive range of tests, including tensile strength, ductility, corrosion resistance, and other essential properties.- General Providers: Often limited to basic testing capabilities. 5. Long-term Cost-effectiveness- SIW: Reduces risks of delivering substandard products, minimizing long-term costs associated with damages or customer complaints.- General Providers: While cheaper upfront, they pose higher long-term risks.Contact SIW - Testing Service Center Now!Tel: +66 81 170 2571Email: marketing@siw.co.thLine ID: @siwthailand
02-01-2025
PC Wire (Prestressed Concrete Wire) is a high-strength steel wire designed for use in construction projects that require reinforced concrete structures. The term "Prestressed" refers to the process of applying tension to the steel wire before pouring concrete around it. This technique enhances the concrete's ability to withstand tensile forces, effectively preventing cracks and ensuring structural durability. American Standards for PC Wire In the United States, the production and use of PC Wire must adhere to industry standards, particularly those established by the American Society for Testing and Materials (ASTM). Key standards include: Material Specifications: PC Wire is typically manufactured in accordance with ASTM A421 or ASTM A416, which define the requirements for high-carbon steel wires and strands used in prestressed concrete. Strength and Performance: These standards specify tensile strength, yield strength, and relaxation properties, ensuring the wire can handle high stress over extended periods. Dimensional Tolerances: Strict guidelines for diameter, straightness, and length ensure consistency and compatibility in construction projects. Testing Requirements: ASTM standards mandate rigorous testing, including tensile strength, elongation, and stress-relaxation tests, to guarantee performance and durability. Compliance with ASTM standards ensures that PC Wire meets the safety and quality requirements for critical infrastructure projects, giving engineers and contractors confidence in its use. Advantages of PC Wire High Strength: PC Wire offers superior tensile strength compared to regular steel, making it ideal for high-durability structural applications. Reduced Structural Weight: Its strength allows for a reduction in the volume of materials required for construction. Long Service Life: Reinforcing concrete with PC Wire minimizes the risk of cracking, prolonging the structure's lifespan. Standard Compliance: Manufacturing under ASTM standards ensures quality and safety in construction projects. Applications of PC Wire Bridges and Overpasses: Used to reinforce beams, increasing strength and minimizing cracking. Precast Concrete Slabs: Essential in high-rise building construction for enhanced load-bearing capacity. Piles and Retaining Walls: Suitable for structures that need to withstand soil or water pressure. Critical Infrastructure Projects: Commonly used in sports stadiums, large buildings, and underground structures requiring high stability. PC Wire is an indispensable material for modern construction, particularly in projects focused on strength, durability, and compliance with industry standards. Where to Purchase PC Wire? SIW is the largest producer and supplier of PC Wire in Southeast Asia, certified to meet international standards, including ASTM A421 and ASTM A416, and serving over 70 countries worldwide. With more than 50 years of experience, SIW delivers high-quality PC Wire to support a wide range of construction projects globally. In addition to its commitment to quality and reliability, SIW also prioritizes environmental sustainability. The company holds an Environmental Product Declaration (EPD) certification, ensuring its products are eco-friendly and contribute to sustainable construction practices. Choose SIW for high-quality PC Wire that meets global standards while supporting environmentally responsible solutions. https://www.siw.co.th/en/product-detail/pc-wire
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