EN 10326 Grade S320GD cold rolled
EN 10326 Grade S320GD cold rolled introduction
The structural steel (non-alloy high-grade steel) S320GD is deliverable with following hot-dip coatings:
S320GD+Z (coating Zn), S320GD+ZF (coating Zn-Fe), S320GD+ZA (coating Zn-Al), S320GD+AZ (coating Al-Zn), S320GD+AS (coating Al-Si).
The coating mass for Z amounts to 100, 140, 200, (225), 275, 350*, (450)* and (600)* g/m², for ZF to 100 and 140** g/m², for ZA to 95, 130, 185, 200, 255 and 300* g/m², for AZ it amounts to 100, 150 and 185 g/m², for AS it amounts to 60, 80, 100, (120) and (150) g/m².
The parenthesis values are deliverable after arrangement
the values are in each case both side minimum values (three-faced specimen). The * marked values are not deliverable for the surface types B and C and the ** marked values are not deliverable for the surface type C (see also DIN EN 10326).
The advantages in opposite to the hot-dip galvanising are:
- higher corrosion resistance
- excellent forming behaviour
- low crack susceptibility of the coating
The material has a min. yield point of 320 N/mm² and is used for construction parts with high strength and high corrosion resistance. The coated steel is weldable with the usual methods. Furthermore are given the adhesive suitability and the coatability with organic materials, in each case after a previous suitable surface treatment.
Application:
household appliances industry, construction industry, furniture industry, electrical engineering, automotive engineering
Equivalent material: AFNOR C.320, UNI FeE320G, ÖNORM THB320-Zn/-ZnFe, ASTM SS230, ASTM SS255, ASTM SS275, ASTM SS340 Class 1, ASTM SS340 Class 2, ASTM SS340 Class 3, ASTM HSLASA340, ASTM HSLASA410, ASTM HSLASA480, ASTM HSLASB340, ASTM HSLASB410, ASTM HSLASB480, ASTM HSLASB550, ASTM SS250, ASTM SS340 Class 2+3, ASTM HTS, ASTM SS345A+B, ASTM SS550, DIN StE320-2Z, DIN 1.0250, EN 1.0250, DIN StE 320-3 Z, DIN StE 320-2 Z, DIN S320GD, AFNOR S320GD, AFNOR C320, BS S320GD, JIS SGC440, JIS SZAC440, JIS SZAH440, JIS SGLH440, JIS SGLC440, ISO 320, GOST 320, GB/T S320GD, ASTM SS Grade 275, ASTM SQ340
EN 10326 Grade S320GD cold rolled general
| Property |
Value |
Comment |
| Density |
Density of 7.8 - 7.9 g/cm³ |
Typical for Low Carbon Steel |
EN 10326 Grade S320GD cold rolled thermal
| Property |
Value |
Comment |
| Coefficient of thermal expansion |
Coefficient of thermal expansion of 1.32e-05 - 1.38e-05 1/K |
Typical for Low Carbon Steel |
| Max service temperature |
Max service temperature of 310.1 °C |
Predicted Value, Long |
| - |
Max service temperature of 500 °C |
Typical for Carbon Steel |
| Melting point |
Melting point of 1480 - 1526 °C |
Typical for Low Carbon Steel |
| Specific heat capacity |
Specific heat capacity of 465 J/(kg·K) |
Typical for Low Carbon Steel |
| Thermal conductivity |
Thermal conductivity of 25 - 93 W/(m·K) |
Typical for Low Carbon Steel |
EN 10326 Grade S320GD cold rolled chemical
| Property |
Value |
Condition |
Related Standards |
Shape |
| Carbon |
Carbon of 0.2 % |
cold rolled |
EN 10326, EN 10346 |
Strip |
| Manganese |
Manganese of 1.7 % |
cold rolled |
EN 10326, EN 10346 |
Strip |
| Phosphorus |
Phosphorus of 0.1 % |
cold rolled |
EN 10326, EN 10346 |
Strip |
| Silicon |
Silicon of 0.6 % |
cold rolled |
EN 10326, EN 10346 |
Strip |
| Sulfur |
Sulfur of 0.045 % |
cold rolled |
EN 10326, EN 10346 |
Strip |
EN 10326 Grade S320GD cold rolled magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10326 Grade S320GD cold rolled electrical
| Property |
Value |
Comment |
| Electrical conductivity |
Electrical conductivity of 8 S/m |
Predicted Value |
| Electrical resistivity |
Electrical resistivity of 1.43e-07 - 1.74e-07 Ω·m |
Typical for Carbon Steel |
EN 10326 Grade S320GD cold rolled mechanical
| Property |
Temperature |
Value |
Condition |
Related Standards |
Shape |
Comment |
| Elastic modulus |
- |
Elastic modulus of 200 - 215 GPa |
- |
- |
- |
Typical for Low Carbon Steel |
| Elongation |
- |
Elongation of 16.3 % |
- |
- |
- |
Predicted Value, A200 |
| - |
- |
Elongation of 18.3 % |
- |
- |
- |
Predicted Value, A80 Transverse |
| - |
- |
Elongation of 18.9 % |
- |
- |
- |
Predicted Value, Transverse |
| - |
- |
Elongation of 20.5 % |
- |
- |
- |
Predicted Value, A50 |
| - |
- |
Elongation of 21.5 % |
- |
- |
- |
Predicted Value |
| - |
- |
Elongation of 22.3 % |
- |
- |
- |
Predicted Value, A5 |
| - |
20 °C |
Elongation of 17 % |
cold rolled |
EN 10326, EN 10346 |
Strip |
A80 |
| Hardness, Brinell |
- |
Hardness, Brinell of 240 [-] |
- |
- |
- |
Predicted Value, Transverse |
| Poisson's ratio |
- |
Poisson's ratio of 0.29 [-] |
- |
- |
- |
Typical for Low Carbon Steel |
| Reduction of area |
- |
Reduction of area of 39.2 % |
- |
- |
- |
Predicted Value |
| - |
- |
Reduction of area of 43.1 % |
- |
- |
- |
Predicted Value, Transverse |
| Shear modulus |
- |
Shear modulus of 82 GPa |
- |
- |
- |
Typical for Low Carbon Steel |
| Shear strength |
- |
Shear strength of 499.5 MPa |
- |
- |
- |
Predicted Value |
| Tensile strength |
20 °C |
Tensile strength of 390 MPa |
cold rolled |
EN 10326, EN 10346 |
Strip |
- |
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