ASTM A355 is an alloy of iron and carbon and other elements. Because of its high tensile strength and low cost, it is a major component used in buildings, infrastructure, tools, ships, automobiles, machines, appliances.
Elongation at Break
| Elongation (%, ≥); Thickness (t) mm; L0 = 80 mm | ||||||
| Material | ≤1 | 1< t ≤1.5 | 1.5< t ≤ 2 | 2<t ≤ 2.5 | 2.5< t < 3 | Orientation of test pieces |
| S355 | 14 | 15 | 16 | 17 | 18 | Parallel |
| 12 | 13 | 14 | 15 | 16 | Transverse | |
| Elongation (%, ≥); Thickness (t) mm; L0 = 5.65 √So | ||||||
| Material | t≤40 | 40< t ≤63 | 63 < t ≤100 | 100 < t ≤ 150 | 150 < t ≤ 400 | Orientation of test pieces |
| S355 | 22 | 21 | 20 | 18 | 17 | Parallel |
| 20 | 19 | 18 | 18 | 17 | Transverse | |
S355 steel is a European standard structural steel which is commonly used in Europe, the material is better than S235 and S275 structural steel in yield strength, tensile strength and other properties.
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