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耐候钢和耐腐蚀钢的区别?

发布时间:2022-01-27 浏览:2355次  分享到: 分享到QQ空间 分享到微信 分享到微博


  耐腐蚀钢板和耐候钢(gang)板是(shi)(shi)同(tong)一种钢(gang),但(dan)名(ming)称不同(tong)。耐候钢(gang)板如何达到耐腐蚀的(de)目的(de)。以下是(shi)(shi)我公司的(de)介绍:

  耐候钢(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)是一种规(gui)格(ge)轻薄的(de)热轧(ya)(ya)钢(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban),厚度(du)(du)一般为(wei)(wei)1.6-12mm,厚度(du)(du)在14-30mm以上为(wei)(wei)中厚板(ban)(ban)(ban)(ban)(ban)。热连轧(ya)(ya)生产(chan)线(xian)采用(yong)两(liang)阶段轧(ya)(ya)制生产(chan)09CuPTi研究了(le)轧(ya)(ya)制工艺(yi)参(can)数对耐候钢(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)微组(zu)织和(he)机械性能(neng)的(de)影(ying)响(xiang)规(gui)律。结(jie)果表(biao)明(ming)(ming),三种工艺(yi)试验钢(gang)(gang)(gang)的(de)显微组(zu)织均为(wei)(wei)针状铁(tie)素(su)体和(he)贝(bei)氏(shi)体。冷温(wen)(wen)为(wei)(wei)530℃冷却速(su)度(du)(du)为(wei)(wei)25℃/s时,组(zu)织以更细小均匀的(de)板(ban)(ban)(ban)(ban)(ban)条贝(bei)氏(shi)体为(wei)(wei)主(zhu)(zhu),屈服强度(du)(du)及(ji)抗拉强度(du)(du)分别为(wei)(wei)617MPa和(he)702MPa,韧脆性转化温(wen)(wen)度(du)(du)低,韧性好。对轧(ya)(ya)制钢(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)进行耐腐(fu)蚀(shi)(shi)(shi)试验,研究09CuPTi-Nb钢(gang)(gang)(gang)工艺(yi)B模(mo)拟工业大(da)气环境下成(cheng)品和(he)参(can)考钢(gang)(gang)(gang)的(de)腐(fu)蚀(shi)(shi)(shi)演化。结(jie)果表(biao)明(ming)(ming),腐(fu)蚀(shi)(shi)(shi)初期(qi)腐(fu)蚀(shi)(shi)(shi)速(su)度(du)(du)随干湿循环次数的(de)增加而增加,后期(qi)腐(fu)蚀(shi)(shi)(shi)速(su)度(du)(du)逐渐降低,红锈(xiu)(xiu)耐候钢(gang)(gang)(gang)板(ban)(ban)(ban)(ban)(ban)的(de)腐(fu)蚀(shi)(shi)(shi)速(su)度(du)(du)和(he)SPA-H钢(gang)(gang)(gang)相等,但(dan)低于(yu)Q345钢(gang)(gang)(gang)。09CuPTi-Nb钢(gang)(gang)(gang)锈(xiu)(xiu)层(ceng)分为(wei)(wei)内外两(liang)层(ceng),内锈(xiu)(xiu)层(ceng)致密主(zhu)(zhu)要(yao)由(you)内锈(xiu)(xiu)层(ceng)组(zu)成(cheng)α-FeOOH和(he)少量γ-Fe2O3组(zu)成(cheng),Q主(zhu)(zhu)要(yao)由(you)345钢(gang)(gang)(gang)锈(xiu)(xiu)层(ceng)组(zu)成(cheng)α-FeOOH、γ-Fe2O3和(he)Fe3O4.电化学试验表(biao)明(ming)(ming),腐(fu)蚀(shi)(shi)(shi)产(chan)物能(neng)促进阴极(ji)过(guo)程(cheng)(cheng),抑制阳极(ji)过(guo)程(cheng)(cheng)。

  经过多年的研究和使用,可以证明耐候钢板可以广泛应用于铁路、集装箱、景观和装饰中。其特点是耐腐蚀,使用时间长。一次性施工可以持续几十年而不改变。好了,以上便是关于耐候钢和耐腐蚀钢的介绍,更多详情了解关注官网://iitaomao.cn/

  关键词:耐腐蚀钢     耐酸钢板


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