20 mm Deformed Bar – TIS Standard SD40T

The 20 mm deformed steel bar, certified under TIS 24-2559 and graded SD40T, is designed for heavy-duty reinforced concrete structures that require high load-bearing capacity. Its ribbed surface provides excellent bonding with concrete, improving structural strength, stability, and long-term durability. Ideal for residential, commercial, industrial, and large-scale infrastructure projects.

Product Specifications

Diameter: 20 mm
Weight: 24.66 kg per piece
Length: 10 meters
Standard: TIS 24-2559
Grade: SD40T
Yield Strength: Minimum 4,000 ksc
High tensile and compressive strength
Ribbed surface for superior concrete bonding
Strong, durable, and suitable for heavy structural loads
Easy to cut, bend, and install
Suitable Applications

Large columns, beams, and slabs
Deep foundations
High-rise building structures
Bridges, roads, and public infrastructure
Reinforced concrete flooring
Large structural extensions
Dragon Steel Services

Dragon Steel supplies 20 mm TIS-certified SD40T deformed bars at wholesale prices with delivery services across Bangkok, surrounding metropolitan areas, and nationwide. We support projects of all sizes, from residential construction to large-scale developments, with professional consultation and custom quotations.