High–strength IF steel is a kind of steel with excellent deep drawing performance and high strength characteristics. IF steel, that is, non-gap atomic steel, through strict control of C, N and other gap atomic content in steel, as well as the use of special smelting and rolling process, so that the gap atomic content in steel is very low, thus improving the plasticity and toughness of steel.
On the basis of maintaining the excellent deep drawing performance of IF steel, the strength of steel is further improved by means of alloying and heat treatment, so that it can bear more load while meeting the requirements of deep drawing forming of complex shape parts.
It is widely used in automobiles, home appliances, construction and other fields, especially in the automobile manufacturing industry, where it is able to manufacture key components such as body structure parts and covers, which effectively reduces the body weight and improves the fuel economy and safety of automobiles.
| Grades according to EN 10346 | HX180YD, HX220YD, HX260YD, HX300YD |
| Grades according to EN 10292:2000 + A2:2004 | HX220PD, HX260PD |
| Grades according to VDA 239-100:2016 | CR180IF, CR210IF, CR240IF |
| Grades according to EN 10346
VDA 239-100:2016 |
Rp0,2[MPa] | Rm[MPa] | A[%]min.
L0=80mm |
r90/r0
min. |
rm
min.
|
n90/n0
min. |
| HX180YD+Z | 180-240 | 330-390 | 34 | 1,7 | – | 0,18 |
| CR180IF-GI | 180-240 | 320-400 | 35 | 1,2 | 1,2 | 0,19 |
| HX220YD+Z | 220-280 | 340-420 | 32 | 1,5 | – | 0,17 |
| HX220PD+Z, +ZF1) | 220-280 | 340-400 | 32 | 1,3 | – | 0,15 |
| CR210IF-GI | 210-270 | 340-420 | 33 | 1,1 | 1,3 | 0,18 |
| CR240IF-GI | 240-300 | 360-440 | 31 | 1,0 | 1,2 | 0,17 |
| HX260YD+Z | 260-320 | 380-440 | 30 | 1,4 | – | 0,16 |
| HX260PD+Z, +ZF1) | 260-320 | 380-440 | 28 | – | – | – |
| HX300YD+Z | 300-360 | 390-470 | 27 | 1,3 | – | 0,15 |
1.Automobile manufacturing: High-strength IF steelis an important material for automobile lightweight design. It can be used in the manufacture of body structure parts, chassis parts, etc., of automobiles, helping to reduce vehicle weight, improve fuel economy, and reduce emissions.
2.Home appliance manufacturing: In the field of home appliances, it can manufacture the shell and structural parts of refrigerators, washing machines and other home appliances. Its excellent forming performance and corrosion resistance make home appliances more beautiful and durable.
3.Construction field: supporting components and Bridges of building structures. Its high strength and light weight make the building structure more stable and safe.
4.Other fields: In addition, this kind of steel can also make precision mechanical parts, electronic components, etc., to meet the diverse needs of different fields.
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