S355J2G3 Mechanical Property
S355J2G3N is a low carbon structural steel grade often used for application which require better mechanical properties than that of S275 and S235 grade. It is generally supplied in a normalized condition which is widely used in engineering and construction industries.
Fuhong steel have tested S355J2G3N mechanical property in the lab according to customer’s requirements.
Details for this test as below
1.Chemical Composition
| Grade | C | Si | Mn | P | S |
| S355J2G3 | ≤ 0.22 | ≤0.55 | ≤1.6 | ≤ 0.035 | ≤ 0.035 |
2.Production Process
Hot Forging==>Normalizing==>Rough turning
3.Heat Treatment
S355J2G3 Normalizing Diagram
4.Mechanical Property Requirement
Rm:450-600 Mpa Re: ≥275 Mpa A: ≥17% KV(-20℃): ≥27J Hardness: 152-179HB
5.Testing Data
| Size, mm | Tensile, Mpa | Yield, Mpa | Elongation, % | Reduction, % | Charpy Impact, J | Hardness, HB | Sample location |
| Φ330 | 527 | 317 | 27.5 | 52 | -20℃,28/29/35 | 159/153/152 | 80mm,Transverse |
| Φ350 | 545 | 318 | 26 | 54 | -20℃,33/30/27 | 183/152/188 | 80mm,Transverse |
| Φ380 | 539 | 307 | 33 | 64 | -20℃,36/33/23 | 151/150/179 | 80mm,Transverse |
| Φ410 | 510 | 309 | 34 | 73 |
-20℃,52/60; -40℃,49 |
133/143/136 | 1/3 Radius |
6.Supply Size
Fuhong steel can supply S355J2G3 steels as below:
Forged round bar:Dia 140mm to Dia 1000mm.
For more information,pls contact our staff for details.