 |
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|
Rebar
|
HRB 335 HRB 400 HRB 500 (Φ8-Φ50) |
|
Hot Rolled Ribbed Bars |
|
Chemical Percentage： Max % |
|
|
|
|
Grade |
C |
Si |
Mn |
P |
S |
Ceq |
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 |
0.52 |
HRB400 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 |
0.54 |
HRB500 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 |
0.55 |
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Mechanical Property |
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|
Grade |
Dia |
σs( or σp0.2) |
σb |
δ5 |
|
|
|
mm |
Mpa |
Mpa |
% |
|
|
|
|
≥ |
|
|
HRB335 |
6-25 |
335 |
490 |
16 |
|
|
|
28-25 |
|
|
|
|
|
HRB400 |
6-25 |
400 |
470 |
14 |
|
|
|
28-50 |
|
|
|
|
|
HRB500 |
6-25 |
500 |
630 |
12 |
|
|
|
28-50 |
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|
Ceq=C+Mn/6+(Cu+Ni)/15+(Cr+Mo+V)/5. |
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