Q235B mild steel plates
Q235B mild steel plates have certain elongation, strength, good toughness and casting nature, and they are easy to press and welding. So Q235B mild carbon steel plates are widely used in the manufacturing of general mechanical parts. Q235B mild steel plates/carbon steel plates are mainly used for the construction and bridge engineering etc. welding structures that have high requirement for quality.
GB/T700 GB/T3274 Q235B mild steel plates/carbon steel plates chemical composition
|
Grade |
C % |
Si % |
Mn % |
P % |
S % |
|
Q235B |
0.22 |
0.35 |
1.4 |
0.045 |
0.045 |
GB/T700 GB/T3274 Q235B mild steel plates/carbon steel plates mechanical properties
|
Grade |
Thickness(mm) |
Yield Strength (Mpa) |
Tensile Strength |
Elongation(%) |
Min Impact Energy |
|
|
(MPa) |
||||||
|
Q235B |
≤ 16 |
235 |
370-500 |
26 |
20 |
27J |
|
16-40 |
225 |
370-500 |
25 |
20 |
27J |
|
|
>40 |
215 |
370-500 |
24 |
20 |
27J |
|
GB/T700 GB/T3274 Q235B mild steel plates/carbon steel plates are equivalent to ASTM A36, A283Gr.C, EN10025-2 S235JR, JIS G3101 SS400, DIN 17100 St37-2 etc mild steel materials. But they also have some differences.Q235B mild steel plates/carbon steel plates have 2 standards at present: GB/T700 and GB/T3274. GB/T3274 is new version, but a lot of mills still conduct GB/T700 at present. Please contact katalor steel for more information of GB/T700 GB/T3274 Q235B mild steel plates/carbon steel plates, and katalor technician will give helpful suggestions to you according to your projects.
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