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怡丰源达不锈钢加工厂为您讲解不锈钢铁

发布日期:2016-01-16 浏览次数:文章来源:未知 作者:北京不锈钢

导读:时时彩正规app怡丰源达 不锈钢加工 厂为您讲解不锈钢铁 不锈钢分很多种,其中的有磁性的被人们称为不锈铁,其实,它们也属于不锈钢。 不锈铁是不锈钢的一种。不锈钢为什么不生锈,那是因为内部含有铬元素.整个不锈钢体系分为四大类:第一:马氏体不锈钢:直接添加铬,磁性,热

    怡丰源达不锈钢加工厂为您讲解不锈钢铁
   不锈钢分很多种,其中的有磁性的被人们称为不锈铁,其实,它们也属于不锈钢。
    不锈铁是不锈钢的一种。不锈钢为什么不生锈,那是因为内部含有铬元素.整个不锈钢体系分为四大类:第一:马氏体不锈钢:直接添加铬,磁性,热处理型的不锈钢.热处理可以生成淬火高强度马氏体,并具备针状微观组织.第二:铁素体不锈钢:直接添加铬,磁性但不进行热处理的不锈钢,铁素体相往往存在着.第三:奥氏体不锈钢:含有铬,镍元素,非磁性,不进行热处理的不锈钢,奥氏体经淬火后,变的非常坚韧,延展性好,且强度相当高,第四类:沉淀硬化不锈钢(双相不锈钢):这一类钢即包含马氏体,也有奥氏体的存在.价格方面,不锈钢普遍比不锈铁贵。俗称的不锈铁就是非奥氏体的不锈钢,它们具有一定的磁性即不锈铁指的是有磁性的不锈钢,不锈铁的金相组织是铁素体和马氏体,通常所说的不锈钢的金相组织是奥氏体.民间称马氏体不锈钢和铁素体不锈钢即为“不锈铁”.
   不锈铁与不锈钢相比主要是在于是否含镍!不锈铁一般是指日本的SUS430,国内为1Cr17,主要化学成分为:C:<0.12,Si:<0.75,Mn<100,P:<0.035,S<0.030,Ni:<0.60,Cr:16.00-18.00为铁素体不锈钢。
  不锈铁是含铬而不含镍的,也成为Cr不锈钢,就有一定的防腐蚀能力!不锈铁不是俗语,通俗认为具有铁磁性的不锈钢,我认为主要指1Cr17(铁素体)系列、1Cr13(马氏体)系列,而Fe以奥氏体形式存在时不具铁磁性。文中以Ni/Cr区分容易误会,虽然它们导致了Fe的同素异构。但Fe、Ni为铁磁,Cr为顺磁性。高性能软磁材料1J系列很多是Ni基。
  而不锈钢是既含铬又含镍的,由于镍属于较稳定元素,那么它的抗腐蚀能力自然要比不锈铁强很多!
  由于镍的价格较贵,所以从成本上不锈钢要高于不锈铁,再加上抗腐蚀能力的差异,不锈钢价格比不锈铁高出1/4~1/3 (仅供参考)
  辨别: 由于镍是抗磁性元素,一般比较简单的分辨方法是看是否具有较强的磁性,即用磁铁来吸引!文章来源:(http://eytagency.com
Stainless steel is divided into many kinds, of which the magnetic is known as stainless steel, in fact, they also belong to the stainless steel.
Stainless steel is a kind of stainless steel. Why stainless steel does not rust, it is because the chromium containing stainless steel inside. The whole system is divided into four categories: First: martensitic stainless steel: directly add chromium, magnetism, heat treatment of stainless steel. Heat treatment can generate high strength quenched martensite, and microstructure with acicular ferrite stainless steel. Second:: the addition of chromium stainless steel, but not magnetic heat treatment, the ferrite phase exists. Third: austenitic stainless steel containing chromium, nickel, non-magnetic, without a heat treatment of austenitic stainless steel, after quenching, become very tough, good ductility, and the strength is very high, fourth categories: precipitation hardening stainless steel (duplex stainless steel): this kind of steel contains martensite, austenite. There is the price of stainless steel, stainless iron is generally expensive. Commonly known as the stainless iron is non austenitic stainless steel, they have the magnetism of the stainless iron is magnetic stainless steel, stainless iron microstructure is ferrite and martensite, commonly referred to as the stainless steel microstructure is austenite. Folk said martensitic stainless steel and iron element stainless steel body is "stainless iron".
Stainless iron and stainless steel is mainly depends on whether or not containing nickel! Stainless iron generally refers to the Japanese SUS430, the domestic 1Cr17, the main chemical components are: C:<0.12, Si:<0.75, Mn<100, P:<0.035, S<0.030, Ni:<0.60, Cr:16.00-18.00 for ferritic stainless steel.
Stainless steel iron chromium and nickel free stainless steel, also called Cr, have certain corrosion resistance! Stainless iron is not a saying, the popular think of a ferromagnetic stainless steel, I think the main refers to the 1Cr17 (Tie Suti) series, 1Cr13 (martensite) series, and Fe in the presence of austenitic form does not have iron magnetism. In this paper, Ni/Cr to distinguish easily misunderstood, even though they make the allotropism Fe. However, Ni and Fe are ferromagnetic, and Cr is paramagnetic. High performance soft magnetic material 1J series is a lot of Ni based.
Both chromium and nickel containing stainless steel, due to the relatively stable elements of nickel, then corrosion resistance of natural to stainless iron much better than!
As the price of nickel is more expensive, so from the cost of stainless steel is higher than stainless steel, coupled with the differences in corrosion resistance, stainless steel prices higher than the stainless steel 1/4~1/3 (for reference only).
Identification: as a result of nickel is an anti magnetic elements, the general comparison of the resolution is to see whether it has a strong magnetic, that is, with the magnet to attract!

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