TIS/JIS STANDARDS - TIS1227 : 1996 / JIS G3192 : 1990
(Steel Deformed Bars)

(Grade SM400, SM490, SM 520, SS400, SS490 or SS540)

CHEMICAL  COMPOSITION (%)
Grade Carbon Manganese Phosphorus Sulphur Carbon+(Manganese/6)
Max (%) Max (%) Max (%) Max (%) Max (%)
SD 30 0.27 - 0.05 0.05 0.50
SD 40  -  1.85 0.05 0.05 0.55
SD 50 - 1.85 0.05 0.05 0.60

 

MECHANICAL  PROPERTIES
Grade yield strength  Tensile strength Elongation  
Min (MPa) Min (MPa)   Min (%)
SD 30 480 295 17
SD 40 560 390 15
SD 50 620 490 13

 

NOMINAL  SIZES  AND UNIT  WEIGHT
Designation Designation Unit  Weight Cross Sectional
Diameter (mm.) (Kg./m.) mm2
DB 6 6 0.222 28.3
DB 8 8 0.395 50.3
DB 10 10 0.616 78.5
DB 12 12 0.888 113.1
DB 16 16 1.578 201.1
DB 20 20 2.466 314.2
DB 25 25 3.853 380.1
DB 28 28 4.834 490.9
DB32 32 6.313 804.2
DB 36 36 7.99 1017.9
DB 40 40 9.865 1256.6