background

Hot-rolled structural sections to support the growing of
the construction industry.

Siam Yamato Steel Co., Ltd. (SYS) was established in 1992 with the objective of producing hot-rolled structural steel, which is a joint venture between

  • Yamato Kogyo Co., Ltd.
  • Mitsui & Co., Ltd.
  • The Siam Cement Public Company Limited
  • Sumitomo Corporation (Thailand) Co., Ltd.
  • Mitsui & Co. (Thailand) Co., Ltd.

Currently, SYS has 2 hot-rolled structural steel mills, operating in Map Ta Phut Industrial Estate and WHA Eastern Industrial Estate (Maptaphut), Rayong province with the total production capacity of 1.1 million tons annually. By using advanced production equipment and technology to produce hot rolled structural steel, which certified by both domestic and international standards, SYS almost fully replaced importation of heavy section steel from overseas, resulting in huge conservation of national currency.

SYS put enduring effort in product development, product inspection as well as quality assurance in order to serve customers with continuously improved service standard.

In addition, our warehouse in Ban Bueng, Chonburi can efficiently facilitate our domestic customers. Altogether including our office in Bangkok,

SYS put enduring effort in developing products and quality assurance system continuously in order to ensure our ability to serve the ever changing requirements of our customers. As a result, SYS has gained recognition and acceptance from both domestic and overseas customers for all these years.


SYS Steel

Product & Service

FROM HIGH STANDARD MANUFACTURING PROCESS TO EXCELLENT QUALITY PRODUCTS

SYS production process and quality control start with using a Geiger Counter device for measuring the radioactivity of the raw materials and recycled metal scraps to ensure that all the materials used in the production process are free of radioactive contamination.

Main products in business

SYS has always adhered to product quality as the core of its business operations. SYS has selected the best quality raw materials free from radioactive substances, has checked the product properties to meet the required standards, and has carefully controlled the quality at every stage of production. SYS is certified to many standards such as TIS, JIS, BS, ASTM, EURONORM, AS/NZS, MS, SNI, KSD, etc. Furthermore, SYS has been accredited for Quality Management System, Testing Laboratory Competence, Environmental Management, and Occupational Health and Safety Management from international accreditation agencies including ISO 9001, ISO 14001, TIS. 18001, OSHAS 18001, CE Mark, and ABS, etc. With a wide range of products, SYS steel can accommodate all types of structural applications. It can support the design of buildings in all conditions. The building will be futuristic, luxurious, distinctive and unique.

 

How to consider the genuine product of SYS.

  •  Embossed letters with manufacturer’s name.
  •  sticker with product information displayed on steel
  •  TIS mark, size, thickness, length and heat no.

Always request a Mill Certificate from the store.

  •  Check the compatibility of the heat number on the sticker with the mill certificate to ensure safe use.