Description
Steel I beams;Mild Steel H beams;Hot Rolled Steel Beams
Detailed Michenical Properties and Chemical Composites for Beams
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|
Chemical?Composition% |
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|
?? |
C |
Mn |
Si |
S |
P |
V |
Nb |
Ti |
|
?? |
?? |
?? |
?? |
?? |
?? |
?? |
?? |
?? |
|
Q235B |
0.12-0.2 |
0.3-0.7 |
??0.3 |
??0.045 |
??0.045 |
?? |
?? |
?? |
|
Q345B |
??0.2 |
1.0-1.6 |
??0.55 |
??0.04 |
??0.04 |
0.02-0.15 |
0.015-0.06 |
0.02-0.2 |
|
?? |
Mechenical Properties |
?? |
?? |
?? |
?? |
?? |
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|
?? |
Yield |
Tensile |
Elongation |
?? |
?? |
?? |
?? |
?? |
|
?? |
??s??? Mpa |
??b? Mpa |
% |
?? |
?? |
?? |
?? |
?? |
|
Q235B |
??235 |
375-500 |
??26 |
?? |
?? |
?? |
?? |
?? |
|
Q345B |
??345 |
470-630 |
??21 |
?? |
?? |
?? |
?? |
?? |
|
Remark: Q235B ?equal to S235JR?,ST37-2,43B,STKR400,Gr.A;??????????????? |
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