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Rephosphorized steels cold rolled steel B170P1 for automobile structure etc
B170P1 high-strength phosphorous steel refers to a low-carbon or ultra-low-carbon steel specially added with a certain amount of phosphorous to increase the strength of the steel through solid solution strengthening.
The use of this kind of board can appropriately reduce the thickness of the drawn parts of the automobile, thereby reducing the weight of the automobile. It can be used to manufacture outer cover parts such as door outer panels, engine cover panels, and roof panels, as well as reinforcements and structural parts such as beams and longitudinal beams.
| Wt | C(≤) | Mn(≤) | P(≤) | S(≤) | Ti(≤) | Ti+Nb(≤) |
| (%) | 0.006 | 1 | 0.08 | 0.025 | 0.2 | 0.2 |
| B170P1 high-strength phosphor steel mechanical performances | |||||||
| Nominal thickness: 0.45mm~2.5mm, nominal width: 800mm~1850mm | |||||||
| Steel grade | Yield strengtha MPa | Tensile strength Mpa | After Breakage Percent Elongation (L0=50mm, b=25mm)%≥ | rc, d ≥ | nc, d ≥ | ||
| Nominal thickness mm | |||||||
| 0.60~<1.0 | 1.0~<1.6 | ≥1.6 | |||||
| B170P1 | 170~260 | ≥340 | ≤36 | ≥38 | ≥40 | 1.5 | 0.18 |
| Material characteristics: It has excellent deep drawing and elastic deformation ability in the lower strength range, high r value and n value, suitable for deep drawing parts with relatively difficult process. Typical applications: car structural parts, side wall inner panels, engine hood outer panels, fender panels, roof outer panels, wheel cover outer panels, door inner panels, common white goods inner panels. | |||||||