TECHNICAL INFO » Mechanical Properties of Concrete Steel Bars

MECHANICAL PROPERTIES OF CONCRETE STEEL BARS
TS 708 / MARCH 1996
TYPES   FLAT SURFACED (D) RIBBED (N)   PROFILLED (P)
CLASSES PRODUCED BY HOT WORKING (a) THERMAL PROCESS APPLIED WHILE HOT WORKING (a) PRODUCED BY APPLYING COLD MECHANICAL PROCESS (b)
SYMBOL I-a III -A IV -a III-b IV-bs IV-bk
NOMINAL DIAMETER (d) mm  6-50 6-50 6-50 6-12 14-28 4-16
YIELD STRENGTH N/mm² Re 220 420 500 420 500
MINIMUM TENSILE STRENGTH N/mm2 Rm 340 500 550 500 550
YIELD / TENSILE MIN. STRENGTH RATE      RM / RE  1.20 1.10 1.08 ____ ____ ____
MINIMUM BREAKING ALONGATION
6 ≤ d ≤ 28 ( σ ) %
32 ≤ d ≤ 50 Lo=10xd
18 12 12 10 8 5
18 10 10

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