Steels for cold forming applications
Standard
EN 10346
Identification Number
–
Classification
–
Type
Cold forming
Rolling State
–
Brief Description
Steels for cold forming applications
Applications
Mainly used in construction: door frames, metal ceilings, partition walls – Household appliances –
Miscellaneous applications: road signs, air conditioners, electric cables
Standard Coil Stock Range
|
DX51D+Z275 |
1000 | 1250 | 1500 |
|---|---|---|---|
| 0,6 | |||
| 0,8 | ● | ||
| 1 | ● | ● | ● |
| 1,25 | |||
| 1,5 | ● | ● | ● |
| 2 | ● | ● | ● |
| 3 | ● | ● | ● |
| 4 |
Chemical Composition
Regulatory standard
| Element | Value |
| C (%) | ≤ 0,18 |
| Si (%) | ≤ 0,50 |
| Mn (%) | ≤ 1,20 |
| P (%) | ≤ 0,120 |
| S (%) | ≤ 0,045 |
| AI (%) | |
| Nb (%) | |
| Ti (%) | ≤ 0,30 |
| V (%) | |
| Mo (%) | |
| Cu (%) |
| Element | Value |
| Cr (%) | |
| Ni (%) | |
| N (%) | |
| B (%) | |
| Nb+Ti+V (%) | |
| Cr+Mo+Ni (%) | |
| Ni+Cr+Cu+Mo (%) | |
| C.E.V. (%) |
C.E.V. (%) = C+(Mn/6)+[(Cr+Mo+V)/5]+[(Ni+Cu)/15]
Mechanical Properties
|
Mechanical characteristics |
Direction |
Thicknesses |
Values |
| Re (MPa) | T |
≥ 0,20 – 0,35 ≤ |
– |
|
≥ 0,35 – 0,50 ≤ |
|||
|
≥ 0,50 – 0,70 ≤ |
|||
|
≥ 0,70 – 6,00 ≤ |
|||
| Rm (MPa) | T |
≥ 0,20 – 0,35 ≤ |
270 – 500 |
|
≥ 0,35 – 0,50 ≤ |
|||
|
≥ 0,50 – 0,70 ≤ |
|||
|
≥ 0,70 – 6,00 ≤ |
|||
| A80 (%) | T |
≥ 0,20 – 0,35 ≤ |
≥ 15 |
|
≥ 0,35 – 0,50 ≤ |
≥ 18 |
||
|
≥ 0,50 – 0,70 ≤ |
≥ 20 |
||
|
≥ 0,70 – 6,00 ≤ |
≥ 22 |
||
| r90 | T |
≥ 0,20 – 0,35 ≤ |
– |
|
≥ 0,35 – 0,50 ≤ |
|||
|
≥ 0,50 – 0,70 ≤ |
|||
|
≥ 0,70 – 6,00 ≤ |
|||
| n90 | T |
≥ 0,20 – 0,35 ≤ |
– |
|
≥ 0,35 – 0,50 ≤ |
|||
|
≥ 0,50 – 0,70 ≤ |
|||
|
≥ 0,70 – 6,00 ≤ |
L = Tensile testing carried out on longitudinal test pieces
T = Bend tests carried out on cross-cut test pieces
Coating
| Coating |
Weight (g/m2) |
Thickness (цm per lato)* |
| Z275 | 275 | 20 |
*The density of the galvanized coating is 7,1 g/cm3
Tolerances
Tolerances on the dimensions and on the shape UNI EN 10143
Surface condition UNI EN 10346
Certifications
EN 10204-3.1 CE / Declaration of Performance
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