For saleConstruction steelAll types, project price AY Contento A steel center for contractors, offering everything you need.steel barConstruction (deformed bar, round steel), structural steel (hot-rolled/cold-rolled), andSteel wire mesh. Standard products with TIS certification, ready for delivery.

Q: What is TIS steel? Why is it important?

A: Steel, TIS (Thai Industrial Standard). (Industrial Standard) refers to steel that has been tested and certified for quality by the Thai Industrial Standards Institute (TISI). This ensures that the steel contains the correct composition, dimensions, and tensile properties in accordance with the standards. Using "substandard" or "non-TISI" steel in structural work is extremely dangerous.

Q: What is the difference between rebar and structural steel?

A: "steel bar"(for example deformed bar, round steel) Used for "reinforced concrete" work (Pour the foundation pillar., Balance, Pour the floor.) functions to withstand tensile forces in concrete. The term "structural steel" (such as H-Beam, Square steel) Used for "steel structures" (making columns, beams, roof frames) by directly supporting loads with the steel members.