EN 10225 S355G8 Thermomechanically Rolled Steel (+M) – High Strength & Excellent Weldability
This steel is thermomechanically rolled (M) or normalised (N).
Our products are studied to improve workability and weldability.
Properties
General
| Property | Value | Comment | |
|---|---|---|---|
Carbon equivalent (CEV) | 0.43 [-] | Product | |
Weld cracking parameter | 0.24 [-] | Product | |
Carbon equivalent note | CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/15 and PCM = C + Si/30 + (Cr+Mn+Cu)/20 + Ni/60 + Mo/15 + V/10 + 5B | ||
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Charpy impact energy | -40 °C | 50 J | min. | for thickness 5-80 mm | Transverse |
Elongation | 22 % | min. A5.65√So | for thickness 5-80 mm | Transverse | |
Tensile strength | 470 - 630 MPa | for thickness 5-80 mm | Transverse | |
Yield strength | 325 MPa | min. | for thickness 63-80 mm | Transverse | |
335 MPa | min. | for thickness 40-63 mm | Transverse | ||
345 MPa | min. | for thickness 25-40 mm | Transverse | ||
355 MPa | min. | for thickness 5-25 mm | Transverse | ||
Yield to strength ratio | 0.85 [-] | max | for thickness 16-25 mm | Transverse | |
0.87 [-] | max | for thickness 5-16 mm | Transverse |
Chemical properties
| Property | Value | Comment |
|---|---|---|
Aluminium | 0.015 - 0.055 % | for thickness 5-80 mm |
Carbon | 0.14 % | max. | for thickness 5-80 mm |
Chromium | 0.25 % | max. | for thickness 5-80 mm |
Copper | 0.3 % | max. | for thickness 5-80 mm |
Manganese | 1 - 1.65 % | for thickness 5-80 mm |
Molybdenum | 0.08 % | max. | for thickness 5-80 mm |
Nickel | 0.5 % | max. | for thickness 5-80 mm |
Niobium | 0.04 % | max. | for thickness 5-80 mm |
Nitrogen | 0.01 % | max. | for thickness 5-80 mm |
Phosphorus | 0.02 % | max. | for thickness 5-80 mm |
Silicon | 0.15 - 0.55 % | for thickness 5-80 mm |
Sulfur | 0.007 % | max. | for thickness 5-80 mm |
Titanium | 0.025 % | max. | for thickness 5-80 mm |
Vanadium | 0.06 % | max. | for thickness 5-80 mm |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Offshore structures such as platforms and equipment for new offshore windmill towers. | |
| Chemical composition | The sum of the percentages by mass of the two elements niobium and vanadium shall not exceed 0.06% and the sum of the percentages by mass of the three elements niobium, titanium and vanadium shall not exceed 0.08%. The above chemical properties are based on cast analysis data. Product analysis may be requested at the time of order. | |
| Delivery condtion | For the dimensions available please visit Dimension tables (see Table A). Table A with a thickness range as indicated in the Mechanical properties. | |
| Other | Available options Options available (after previous agreement): | |
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