CN106893935A - 一种军用高压气瓶用钢的配方 - Google Patents
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Abstract
本发明涉及军用高压气瓶技术领域,具体为一种军用高压气瓶用钢的配方,其成份含量百分比组分为:C:0.30~0.37%;Si:≤0.40%;Mn:0 .60~0 .90%;P:≤0.020%;S:≤ 0.020%;Cr:0 .90~1 .20%;Ni:≤0.3%;Mo:0.15~0.30%;Cu:≤0.20%;V+Nb+Ti+B+Zr:≤0.15%;余量为Fe。本发明结构简单,实用性强。
Description
技术领域
本发明涉及军用高压气瓶技术领域,具体为一种军用高压气瓶用钢的配方。
背景技术
军用高压气瓶于海洋环境作业时,受海洋气候及海水的环境侵蚀,一旦气瓶因腐蚀破损,导致不能正常的作业,造成事故发生,因军用的特殊性,将严重影响国家的安全保障;而现有的38Xa作为进口材料,价格昂贵,运输不便,且军用产品具有特殊性一般不能随意更改原先的设计与制造要求,在当前没有进口材料的情况下,所以开发一种尽可能降低海水对其的腐蚀速率、能够替代38Xa进口材料的国内替代材料是目前急需解决的一个课题。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种军用高压气瓶用钢的配方。
为实现上述目的,本发明提供了如下技术方案:一种军用高压气瓶用钢的配方,其成份含量百分比组分为:
C :0.30~0.37%;
Si:≤0.40%;
Mn:0 .60~0 .90%;
P :≤0.020%;
S :≤ 0.020%;
Cr:0 .90~1 .20%;
Ni: ≤0.3%;
Mo:0.15~0.30%;
Cu:≤0.20%;
V+Nb+Ti+B+Zr:≤0.15%;
余量为Fe。
作为优选:其成份含量百分比组分为:
C : 0.37%;
Si: 0.40%;
Mn: 0 .90%;
P : 0.020%;
S : 0.020%;
Cr: 1 .20%;
Ni: 0.3%;
Mo: 0.30%;
Cu: 0.20;
V+Nb+Ti+B+Zr: 0.15%;
余量为Fe。
作为优选:其成份含量百分比组分为:
C :0.34%;
Si: 0.35%;
Mn: 0 .8%;
P : 0.010%;
S : 0.010%;
Cr: 1 .10%;
Ni: 0.25%;
Mo: 0.20%;
Cu: 0.15%;
V+Nb+Ti+B+Zr:≤0.10%;
余量为Fe。
作为优选:其成份含量百分比组分为:
C :0.30%;
Si:0.20%;
Mn:0 .60%;
P :0.005%;
S : 0.005%;
Cr:0 .90%;
Ni: 0.2%;
Mo:0.15~0.30%;
Cu:≤0.10%;
V+Nb+Ti+B+Zr:≤0.05%;
余量为Fe。
对比现有技术的不足,本发明提供的技术方案所带来的有益效果:传统材料配方的试验样品在7天内,发生的腐蚀速率最快,而实施例一、实施例二、实施例三中的试验样品均较传统试验样品的腐蚀速率慢,且配比时投入铜、镍、Zr、Ti较高那一组实施例的试验样品的腐蚀速率更加底,如:实施例一,因此,可以得出:含有铜、镍、Zr、Ti等制成的用钢相对现有配方生产的用钢耐腐蚀性能更好。
具体实施方式
以下结合本发明所述的军用高压气瓶用钢的腐蚀性试验进一步说明本发明的有益效果。
实施例一
生产本发明所述军用高压气瓶用钢的配方,其成份含量百分比组分为:
C : 0.37%;
Si: 0.40%;
Mn: 0 .90%;
P : 0.020%;
S : 0.020%;
Cr: 1 .20%;
Ni: 0.3%;
Mo: 0.30%;
Cu: 0.20;
V+Nb+Ti+B+Zr: 0.15%;
余量为Fe。
实施例二
生产本发明所述军用高压气瓶用钢的配方,其成份含量百分比组分为:
C :0.34%;
Si: 0.35%;
Mn: 0 .8%;
P : 0.010%;
S : 0.010%;
Cr: 1 .10%;
Ni: 0.25%;
Mo: 0.20%;
Cu: 0.15%;
V+Nb+Ti+B+Zr:≤0.10%;
余量为Fe。
实施例三
C :0.30%;
Si:0.20%;
Mn:0 .60%;
P :0.005%;
S : 0.005%;
Cr:0 .90%;
Ni: 0.2%;
Mo:0.15~0.30%;
Cu:≤0.10%;
V+Nb+Ti+B+Zr:≤0.05%;
余量为Fe。
分别取以上3组实施例中的配方生产的用钢作为3组试验样品,另取一组传统采用38Xa材料制成的用钢作为第4组试验样品,将以上四组样品裁剪约为50mm*25mm*3mm大小的薄片,且以上四组的试验样品质量相同,将以上4组试验样品分别置于相同体积、组份含量的4组人造海水中, 7天后分别对上述4组试验样品进行腐蚀性测试,具体数值入表一:
表一:为4 组试验样品的腐蚀速率测试表。
因镍具有较高的防腐性能,加入镍能提高用钢的防腐性性能,因铜具有较强的抗酸能力,通过铜的结合,能提高用钢的抗酸性能;Zr的表面易形成一层氧化膜,具有光泽,有耐腐蚀性;而Ti具有更好的耐酸、耐腐蚀性能;
由表一得出:传统材料配方的试验样品在7天内,发生的腐蚀速率最快,而实施例一、实施例二、实施例三中的试验样品均较传统试验样品的腐蚀速率慢,且配比时投入铜、镍、Zr、Ti较高那一组实施例的试验样品的腐蚀速率更加底,如:实施例一,因此,可以得出:含有铜、镍、Zr、Ti制成的用钢相对传统配方生产的用钢耐腐蚀性能更好,但是考虑到铜、镍、Zr、Ti等金属的加入,成本势必提高,而实施例二在较实施例一加入更少的铜、镍、Zr、Ti等金属,达到了与实施一基本相同的优势性能,由上表可知:实施例一试验样品与实施例二试验样品的年腐蚀分别为0.15和0.151,因此,作为优选:C :0.34%;
Si: 0.35%;
Mn: 0 .8%;
P : 0.010%;
S : 0.010%;
Cr: 1 .10%;
Ni: 0.25%;
Mo: 0.20%;
Cu: 0.15%;
V+Nb+Ti+B+Zr:≤0.10%;
余量为Fe。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,本领域的技术人员在本发明技术方案范围内进行通常的变化和替换都应包含在本发明的保护范围内。
Claims (4)
1.一种军用高压气瓶用钢的配方,其特征在于:其成份含量百分比组分为:
C :0.30~0.37%;
Si:≤0.40%;
Mn:0 .60~0 .90%;
P :≤0.020%;
S :≤ 0.020%;
Cr:0 .90~1 .20%;
Ni: ≤0.3%;
Mo:0.15~0.30%;
Cu:≤0.20%;
V+Nb+Ti+B+Zr:≤0.15%;
余量为Fe。
2.根据权利要求1所述的一种军用高压气瓶用钢的配方,其特征在于:其成份含量百分比组分为:
C : 0.37%;
Si: 0.40%;
Mn: 0 .90%;
P : 0.020%;
S : 0.020%;
Cr: 1 .20%;
Ni: 0.3%;
Mo: 0.30%;
Cu: 0.20;
V+Nb+Ti+B+Zr: 0.15%;
余量为Fe。
3.根据权利要求1所述的一种军用高压气瓶用钢的配方,其特征在于:其成份含量百分比组分为:
C :0.34%;
Si: 0.35%;
Mn: 0 .8%;
P : 0.010%;
S : 0.010%;
Cr: 1 .10%;
Ni: 0.25%;
Mo: 0.20%;
Cu: 0.15%;
V+Nb+Ti+B+Zr:≤0.10%;
余量为Fe。
4.根据权利要求1所述的一种军用高压气瓶用钢的配方,其特征在于:其成份含量百分比组分为:
C :0.30%;
Si:0.20%;
Mn:0 .60%;
P :0.005%;
S : 0.005%;
Cr:0 .90%;
Ni: 0.2%;
Mo:0.15~0.30%;
Cu:≤0.10%;
V+Nb+Ti+B+Zr:≤0.05%;
余量为Fe。
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CN115058646A (zh) * | 2022-05-23 | 2022-09-16 | 江阴兴澄特种钢铁有限公司 | 一种高强度、耐低温、耐腐蚀车载气瓶用钢及其制造方法 |
Citations (2)
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CN102330030A (zh) * | 2011-10-14 | 2012-01-25 | 天津钢管集团股份有限公司 | 直径559~711mm车载高压气瓶用无缝钢管及生产方法 |
CN104120352A (zh) * | 2014-07-30 | 2014-10-29 | 攀钢集团西昌钢钒有限公司 | 34CrMo4气瓶用钢及其生产方法 |
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CN102330030A (zh) * | 2011-10-14 | 2012-01-25 | 天津钢管集团股份有限公司 | 直径559~711mm车载高压气瓶用无缝钢管及生产方法 |
CN104120352A (zh) * | 2014-07-30 | 2014-10-29 | 攀钢集团西昌钢钒有限公司 | 34CrMo4气瓶用钢及其生产方法 |
Non-Patent Citations (1)
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CN115058646A (zh) * | 2022-05-23 | 2022-09-16 | 江阴兴澄特种钢铁有限公司 | 一种高强度、耐低温、耐腐蚀车载气瓶用钢及其制造方法 |
CN115058646B (zh) * | 2022-05-23 | 2023-09-26 | 江阴兴澄特种钢铁有限公司 | 一种高强度、耐低温、耐腐蚀车载气瓶用钢及其制造方法 |
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