What is A252 grade 3 material?
A252 Gr3 pipe is a standard specification for welded pipe for steel piles, available in both seamless and welded types.
A252 GR3 steel pipe is suitable for constructing bridges and high-rise buildings, and is commonly used in structures that require high strength and good toughness, such as bridges, buildings, and industrial facilities.
The specific material of A252 Gr3 steel pipe is mainly carbon steel, which is specially treated and manufactured to ensure that it meets stringent engineering requirements.
A252 Grade 3 Chemical composition (%)
| composition | P | More |
|---|---|---|
| Min | - | Fe:headroom |
| Max | 0.05 |
A252 Grade 3 Mechanical Properties
| Wall Thickness t mm |
Tensile strength σb Mpa |
Yield point σs Mpa |
Elongation at break or elongation δ % |
|---|---|---|---|
| Seamless Welded Pipe | ≥455 | ≥310 | |
| Seamless Welded Pipe;t≥7.9 | ≥20 | ||
| Seamless Welded Pipe;t=7.1 | ≥19 | ||
| Seamless Welded Pipe;t=6.4 | ≥18 | ||
| Seamless Welded Pipe;t=5.6 | ≥17 | ||
| Seamless Welded Pipe;t=4.8 | ≥16 | ||
| Seamless Welded Pipe;t=4.4 | ≥15.5 | ||
| Seamless Welded Pipe;t=4 | ≥15 | ||
| Seamless Welded Pipe;t=3.6 | ≥14.5 | ||
| Seamless Welded Pipe;t=3.2 | ≥14 | ||
| Seamless Welded Pipe;t=2.8 | ≥13.5 |
