EN10297-1 Seamless Circular Steel Tubes For Mechanical And General Engineering Purposes
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Standard: EN10297-1 Steel Grade: E235, E275, E315, E355 Size: OD (21.3-610mm) x WT (2-60mm) Application: General machinery and engineering etc. |
Tolerance on Dimension:
Chemical composition:
Mechanical Properties:
| OD(mm) | Tolerance on OD | Tolerance on WT for a WT/OD ratio | ||
| ≤0.025 | ＞0.025 ≤0.050 |
＞0.050 | ||
| ≤219.1 | +/-1% or +/-0.5mm Whichever is the greater |
+/-12.5% or +/-0.4mm whichever is the greater | ||
| ＞219.1 | +/-1% | +/-20% | +/-15% | +/-12.5% |
Chemical composition:
| Standard | Grade | Chemical Composition % | ||||
| C | Si | Mn | P | S | ||
| EN10297-1 | E235 | ≤0.17 | ≤0.35 | ≤1.20 | ≤0.030 | ≤0.035 |
| E275 | ≤0.21 | ≤0.35 | ≤1.40 | ≤0.030 | ≤0.035 | |
| E315 | ≤0.21 | ≤0.30 | ≤1.50 | ≤0.030 | ≤0.035 | |
| E355 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.030 | ≤0.035 | |
Mechanical Properties:
| Standard | Grade | Tensile strength Mpa | Yield strength, Mpa | Elongation % |
| EN10297-1 | E235 | ≥360 | ≥235 | ≥25 |
| E275 | ≥410 | ≥275 | ≥22 | |
| E315 | ≥450 | ≥315 | ≥21 | |
| E355 | ≥490 | ≥355 | ≥20 |