Sweden · SS

1.8802 + N

SS EN 10225

Chemical composition

wt% · log scale
0.0010.010.1110Al0.02C0.18CEV0.43Cr0.3Cu0.35Mn0.9 – 1.65Mo0.1N0.015Nb0.06Ni0.5P0.03S0.025Si0.5Ti0.03V0.12
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥355 MPaTensile strength Rm470–630 MPaImpact energy Kv/Ku≥50 JElongation A≥22 %hollow sections +N, <= 16 mmYield strength Rp0.2≥345 MPaTensile strength Rm470–630 MPaImpact energy Kv/Ku≥50 JElongation A≥22 %hollow sections +N, > 16 <= 40 mm

Chemical composition

ElementminmaxSimilarRemarks
Al0.02The total Al/N ratio shall be a minimum of 2:1. When other nitrogen binding elements are used
C0.18
CEV0.43CEV = C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
Cr0.3
Cu0.35
Mn0.91.65
Mo0.1
N0.015
Nb0.06
Ni0.5
P0.03
S0.025
Si0.5
Ti0.03
V0.12

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
hollow sections +N, <= 16 mm≥355 Yield strength is the upper yield strength470–630≥22≥50 Charpy V Notch (-40°C)
hollow sections +N, > 16 <= 40 mm≥345 Yield strength is the upper yield strength470–630≥22≥50 Charpy V Notch (-40°C)

High/low temperature

Impact energy Kv/Ku (J)
ConditionTemperature ℃minRemarks
sections normalized / normalized +N > 16 <= 40 mm-4050Charpy V Notch
sections normalized / normalized +N <= 16 mm-4050Charpy V Notch