automotive wheel steel series-k8凯发官网
automotive wheel steel series
1 main use
dedicated to the manufacture of rolling wheel rims, spokes and other components
2 grades and standards
grade 330cl- 590cl; standard: "technical agreement for hot rolled steel sheets for wheels."
3 technical conditions of supply
3.1 product specifications
2.0～16×800～1650×c
3.3 mechanical properties
牌号 | 规格 mm | 拉伸试验(横向) | 180°冷弯试验b=35mm | ||
抗拉强度rm (mpa) | 屈服强度rel (mpa) | 伸长率a (%) | |||
330cl | 1.2-16 | 330-450 | ≥225 | ≥33 | d=0.5a |
380cl | ＜6.0 | 380-500 | ≥260 | ≥32 | d=0.5a |
≥6.0-＜10.0 | 380-500 | ≥235 | ≥28 | d=a | |
≥10.0-≤16.0 | 380-500 | ≥220 | ≥25 | d=a | |
400cl | ＜6.0 | 400-510 | ≥255 | ≥28 | d=a |
≥6.0-＜10.0 | 390-500 | ≥235 | ≥26 | d=2a | |
≥10.0-≤16.0 | 380-490 | ≥220 | ≥24 | d=2a | |
420cl | ＜6.0 | 420-520 | ≥290 | ≥26 | d=a |
≥6.0-＜10.0 | d=a | ||||
≥10.0-≤16.0 | 410-520 | ≥24 | d=2a | ||
490cl | ＜6.0 | 510-660 | ≥380 | ≥24 | d=2a |
≥6.0-＜10.0 | 490-650 | ≥23 | d=2a | ||
≥10.0-≤16.0 | 470-630 | ≥22 | d=2a | ||
590cl | ＜6.0 | 590-710 | ≥510 | ≥23 | d=2a |
≥6.0-＜10.0 | 570-690 | ≥500 | ≥22 ≥22 | d=2a | |
≥10.0-≤16.0 | 560-680 | ||||