CN105543702A - 一种高强度合金汽车车门 - Google Patents

一种高强度合金汽车车门 Download PDF

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Publication number
CN105543702A
CN105543702A CN201510994911.5A CN201510994911A CN105543702A CN 105543702 A CN105543702 A CN 105543702A CN 201510994911 A CN201510994911 A CN 201510994911A CN 105543702 A CN105543702 A CN 105543702A
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China
Prior art keywords
strength alloy
automobile door
car door
iron
arrangements
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CN201510994911.5A
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English (en)
Inventor
陈恒义
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Hefei Zhonglan New Material Technology Co Ltd
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Hefei Zhonglan New Material Technology Co Ltd
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Priority to CN201510994911.5A priority Critical patent/CN105543702A/zh
Publication of CN105543702A publication Critical patent/CN105543702A/zh
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

本发明公开了一种高强度合金汽车车门，该车门的浇注铁水中各化学成分重量百分比为：？0.36%≤C≤0.42%，0.45≤Si≤0.65%，0.66≤Mn≤0.73%，0.21≤Mo≤0.28%，0.003≤P≤0.008%，0.006≤S≤0.012%，0.04%≤W≤0.08%，1.5%≤Cr≤1.8%，0.002≤B≤0.006%，0.01≤Zn≤0.03%，0.16≤Nb≤0.23%，余量为铁，以及不可避免的杂质。汽车车门的致密性好，合格率高，节约了产品用料，提高了产品的使用寿命。

Description

一种高强度合金汽车车门
技术领域
本发明涉及一种高强度合金汽车车门。
背景技术
为了让驾驶者和乘客能从车外进入车内，从车内回到车外，所以有了车门。为了把车门和车身连接起来，并使得车门可以开户，所以有了车门铰链。车门的力学性能和使用性能直接影响着生产成本和安全性能。
发明内容
本发明的目的是提供一种高强度合金汽车车门，车门的致密性好，合格率高，节约了产品用料，提高了产品的使用寿命。
本发明的技术方案如下：
一种高强度合金汽车车门，该车门的浇注铁水中各化学成分重量百分比为：0.36%≤C≤0.42%，0.45≤Si≤0.65%，0.66≤Mn≤0.73%，0.21≤Mo≤0.28%，0.003≤P≤0.008%，0.006≤S≤0.012%，0.04%≤W≤0.08%，1.5%≤Cr≤1.8%，0.002≤B≤0.006%，0.01≤Zn≤0.03%，0.16≤Nb≤0.23%，余量为铁，以及不可避免的杂质。
该车门的浇注铁水中各化学成分重量百分比为：0.38%≤C≤0.40%，0.5≤Si≤0.6%，0.68≤Mn≤0.71%，0.24≤Mo≤0.25%，0.005≤P≤0.006%，0.008≤S≤0.01%，0.05%≤W≤0.07%，1.6%≤Cr≤1.7%，0.003≤B≤0.005%，0.015≤Zn≤0.025%，0.18≤Nb≤0.21%，余量为铁，以及不可避免的杂质。
本发明汽车铰链的致密性好，合格率高，节约了产品用料，提高了产品的使用寿命。
本发明的力学性能检测数据如下：
抗拉强度σb(MPa)：≥650
屈服强度σs(MPa)：≥660
硬度：≤212HB。
具体实施方式
一种高强度合金汽车车门，该车门的浇注铁水中各化学成分重量百分比为：0.38%≤C≤0.40%，0.5≤Si≤0.6%，0.68≤Mn≤0.71%，0.24≤Mo≤0.25%，0.005≤P≤0.006%，0.008≤S≤0.01%，0.05%≤W≤0.07%，1.6%≤Cr≤1.7%，0.003≤B≤0.005%，0.015≤Zn≤0.025%，0.18≤Nb≤0.21%，余量为铁，以及不可避免的杂质。

Claims (2)

1.一种高强度合金汽车车门，其特征在于，该车门的浇注铁水中各化学成分重量百分比为：0.36%≤C≤0.42%，0.45≤Si≤0.65%，0.66≤Mn≤0.73%，0.21≤Mo≤0.28%，0.003≤P≤0.008%，0.006≤S≤0.012%，0.04%≤W≤0.08%，1.5%≤Cr≤1.8%，0.002≤B≤0.006%，0.01≤Zn≤0.03%，0.16≤Nb≤0.23%，余量为铁，以及不可避免的杂质。
2.根据权利要求1所述的高强度合金汽车车门，其特征在于，该车门的浇注铁水中各化学成分重量百分比为：0.38%≤C≤0.40%，0.5≤Si≤0.6%，0.68≤Mn≤0.71%，0.24≤Mo≤0.25%，0.005≤P≤0.006%，0.008≤S≤0.01%，0.05%≤W≤0.07%，1.6%≤Cr≤1.7%，0.003≤B≤0.005%，0.015≤Zn≤0.025%，0.18≤Nb≤0.21%，余量为铁，以及不可避免的杂质。
CN201510994911.5A 2015-12-28 2015-12-28 一种高强度合金汽车车门 Pending CN105543702A (zh)

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CN201510994911.5A CN105543702A (zh) 2015-12-28 2015-12-28 一种高强度合金汽车车门

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CN201510994911.5A CN105543702A (zh) 2015-12-28 2015-12-28 一种高强度合金汽车车门

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CN105543702A true CN105543702A (zh) 2016-05-04

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101410541A (zh) * 2006-12-25 2009-04-15 新日本制铁株式会社 可切削性和强度特性优异的机械结构用钢
US20140000765A1 (en) * 2011-03-28 2014-01-02 Takayuki Nozaki Cold-rolled steel sheet and production method thereof
CN103732775A (zh) * 2011-07-27 2014-04-16 新日铁住金株式会社 拉伸凸缘性以及精密冲裁性优良的高强度冷轧钢板及其制造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101410541A (zh) * 2006-12-25 2009-04-15 新日本制铁株式会社 可切削性和强度特性优异的机械结构用钢
US20140000765A1 (en) * 2011-03-28 2014-01-02 Takayuki Nozaki Cold-rolled steel sheet and production method thereof
CN103732775A (zh) * 2011-07-27 2014-04-16 新日铁住金株式会社 拉伸凸缘性以及精密冲裁性优良的高强度冷轧钢板及其制造方法

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Application publication date: 20160504