Effect of Strengthening of Steel Beams with Variable Length by Using Carbon Fiber

Table 2

Mechanical properties of the specimen test based on the direct tension test.

Standard specification	Yielding strength, Fy (MPa)	Ultimate tensile strength, Fu (MPa)	Elongation at break (in 200 mm) (%)
Test results	265	410	22.6
Limitation of ASTM A36 mild/low carbon steel	≥250	≥400	≥20