厂商 :宁波市鄞州速发金属材料有限公司
浙江 宁波市- 主营产品:
- 球墨铸铁
- 灰口铸铁
- 易切削钢
联系电话 :18969844966
商品详细描述
Y15易切削钢是S-P复合高硫、低硅易切削钢。切削性明显高于Y12,生产效率比Y12钢提高30~50%,特别是攻丝时,丝锥寿命比 Y12提高两倍以上,常用于制造不重要的标准件中,如螺栓、螺母、管接头、弹簧座等。
●化学成份:
碳 C :0.10~0.18 硅 Si:≤0.15
锰 Mn:0.80~1.20
硫 S :0.23~0.33
磷 P :0.05~0.10
![](http://imgupload4.yihubaiying.com/imagestore201805042e24fbce-a478-467e-b586-f9ecb22e907e.jpg)
●力学性能:
抗拉强度 σb (MPa):(热轧)390~540; (冷拉)钢材厚度或直径 8~20时:530~755; >20~30时:510~735; >30时:490~685
伸长率 δ5 (%):(热轧)≥22;(冷轧)≥7.0
断面收缩率 ψ (%):(热轧)≥36
硬度 :(热轧)≤170HB;(冷拉)152~217HB
![](http://imgupload.yihubaiying.com/imagestore201805045e4a184a-f615-482d-b41e-a5d0262af7e2.jpg)
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![](http://imgupload.yihubaiying.com/imagestore20180423157c55b1-166c-4a5d-b4f0-fced3f132e92.jpg)
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