Products - Steel Grades


Product quality is what all of us at STS strictly believe in and adhere to. We are always active in implementing the latest, most advanced technologies in our production in order to achieve ever-improving quality. This is simply the reason why STS has become a trusted name highly regarded for quality be satisfied customers throughout Thailand and beyond.

Domestic standard certifications
The Thai Industrial Standards Institute (TISI), Ministry of Industry, has certified STS with the following accreditations:
TIS 276 - 2532 Steel pipes
TIS 277 - 2532 Galvanized steel pipes
TIS 107 - 2533 Hollow structural steel sections
TIS 1228 - 2549 Cold formed structural steel sections lip channel steel

International standard certifications
ASTM (American Society for Testing and Materials)
JIS (Japanese Industrial Standards)
DIN (Deutsches Institut fur Normung)
BS (British Standard)
UL (Underwriters Laboratories Inc R)
AS/NZS (Australian Standard / New Zealand Standard)
API (American Petroleum Institute)

Saha Thai Steel Pipe Public Co., Ltd. is ISO 9001 : 2008 certified by Bureau Veritas Quality International (BVQI) for quality management under the “Quality Products, On-time Delivery, Satisfied Customers” policy.

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