ASTM A615 is a deformed steel standard categorized under American standards. These are generally available in diameter between 9.5 mm and 43 mm, and length between 6 m and 12 m. Generally, the steel bars that fall under this standard are under deformed or plain carbon steel.
ASTM A615 steel bar increases the tensile strength of concrete and can be used for both primary and secondary reinforcement. It helps absorb stress and weight and facilitates the even distribution of the tension caused by the expansion and contraction of concrete. ASTM A615 steel bar has a rough, blue-grey finish with raised ribs throughout the bar. ASTM A615 grade 75 steel bar offers enhanced yield strength of at least 75 thousand pounds per square inch. It also features a continuous line system, with one line running along the length of the bar which is offset a minimum of five spaces from the center. These characteristics make grade 75 steel bar particularly well-suited for heavy-duty concrete reinforcement applications.
ASTM A615 American Rebar Specifications | ||||
DIMENSION | LENGTH | NUMBERS OF REBARS | ASTM A 615 / M Grade 75 | |
Kg / m. | THEORETICAL WEIGHT OF BUNDLE ( Kg. ) | |||
8 | 12 | 420 | 0.395 | 1990.800 |
10 | 12 | 270 | 0.617 | 1999.080 |
12 | 12 | 184 | 0.888 | 1960.704 |
14 | 12 | 136 | 1.208 | 1971.456 |
16 | 12 | 104 | 1.578 | 1969.344 |
18 | 12 | 82 | 2.000 | 1968.000 |
20 | 12 | 66 | 2.466 | 1953.072 |
22 | 12 | 54 | 2.984 | 1933.632 |
4 | 12 | 47 | 3.550 | 2002.200 |
25 | 12 | 42 | 3.853 | 1941.912 |
26 | 12 | 40 | 4.168 | 2000.640 |
28 | 12 | 33 | 4.834 | 1914.264 |
30 | 12 | 30 | 5.550 | 1998.000 |
32 | 12 | 26 | 6.313 | 1969.656 |
36 | 12 | 21 | 7.990 | 2013.480 |
40 | 12 | 17 | 9.865 | 2012.460 |
Scope of Application
Widely used in houses, bridges, roads, especially railways and other civil engineering.
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