Mechanical properties
High strength hot finished hollow sections suitable for all construction and mechanical applications. Celsius® 355 is suitable for all internal and external applications to BS5950-1:2000, EN1993 and BS5400.
Celsius® 355 hollow sections are supplied with a minimum yield strength of 355 N/mm2 and comply fully with the European Standard for hot finished structural hollow sections, EN10210:S355NH.
| Yield strength;ReHmin N/mm2; | Tensile strength; RmN/mm2 |
Elongation % min L0;= 5,65 √S0 specimen |
Impact strength 10mm x 10mm |
Carbon equivalent (CEV) max |
||
|---|---|---|---|---|---|---|
| T ≤ 16mm | T > 16mm | 3mm < T ≤ 100mm | T | ºC | J | |
| 355 | 345 | 470-630 | 22 | -20 | 40 | 0.43 |
Chemical composition % by mass
| C max | Si max | Mn | P max | S max | Nb max | V ma | Al total min | Ti max | Cr max | Ni max | Mo max | Cu max | N max |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.20 | 0.50 | 0.90 1.65 |
0.035 | 0.030 | 0.050 | 0.12 | 0.020 | 0.03 | 0.30 | 0.50 | 0.10 | 0.35 | 0.020 |
Celsius® 355 is produced from fully-killed steel – critical to formability and weldability.
Inspection and testing
Celsius® hollow sections EN10210:S355NH are subject to specific inspection and testing and are supplied with an inspection certificate type 3.1 to EN10204.