Properties

High strength hot finished hollow sections suitable for a wide range of construction and mechanical applications. Weathering grade Celsius® is suitable for all external applications to European and American design standards.

Mechanical properties

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 3mm < T ≤ 100mm T ºC J  
355 470-630 22 -20 40 0.44

CEV value exceeds the requirements of S355J2WH, prEN 10210 (2016).

Chemical composition % by mass

C max 0.16
Si max 0.5
Mn 0.5 - 1.5
P max 0.025
S max 0.008
Nb max 0.05
V max 0.1
Al total min 0.02
Ti max 0.03
Cr 0.4 - 0.65
Ni max 0.4
Mo max 0.1
Cu 0.25 - 0.4
N max 0.012
  • Chemical composition meets or exceeds the requirements of S355J2WH, prEN 10210 (2016).
  • Available in grades S355J2H and S355K2H.
  • Chemistry and mechanical properties comply with ASTM A847
  • The steel is aluminium-killed.

Inspection and testing

Celsius® Weathering Grade hollow sections are subject to specific inspection and testing and are supplied with an inspection certificate type 3.1 to EN 10204.