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不锈钢螺丝紧固件的材料技术要求介绍

文章出处:人气:0发表时间:2017-10-11【 返回列表

在生产中,经常会遇到不锈钢螺丝紧固件,但是你知道不锈钢螺丝紧固件的一些材料技术要求吗?今天晋升泰就来为您讲解不锈钢螺丝紧固件的材料技术要求介绍。

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按有关国家标准生产的不锈钢螺丝紧固件适用的不锈钢材料。除非供需双方另有协议,化学成分应在钢组规定的范围内,由制造者选择。在有晶间腐蚀倾向的场合,推荐按ISO3651-1或ISO3651-2的规定进行试验。在此情况下,推荐采用稳定型的A3和A5,或者采用含碳量不超过0.03%的A2和A4不锈钢。According to the relevant national standards for the production of stainless steel screws fasteners for stainless steel. Unless otherwise agreed by both parties, the chemical composition shall be selected by the manufacturer within the limits specified by the steel group. In the case of intergranular corrosion tendency, it is recommended to test according to ISO3651-1 or ISO3651-2. In this case, it is recommended to use stable A3 and A5, or A2 and A4 stainless steel with carbon content of not more than 0.03%.

  1)除已表明者外,均系最大值。Unless otherwise indicated, are the maximum.


  2)硫可用硒代替。Sulfur can be replaced by selenium.


  3)如镍含量低于8%,则锰的最小含量必须为5%。If the nickel content is less than 8%, the minimum content of manganese must be 5%.


  4)镍含量大于8%时,对铜的最小含量不予限制。When the nickel content is more than 8%, the minimum content of copper is not limited.


  5)钼含量可能在制造者的说明书中出现,但对某些使用场合,如有必要限定钼的极限含量,则必须在订单中由用户注明。The molybdenum content may appear in the manufacturer's instructions, but for certain applications, if it is necessary to limit the molybdenum limit, it must be indicated by the user in the order.


  6)钼含量可能在制造者的说明书中出现。Molybdenum content may appear in the manufacturer's instructions.


  7)如铬含量低于17%,则镍的最小含量应为12%。If the chromium content is less than 17%, the minimum nickel content should be 12%.


  8)对最大含碳量达到0.03%的奥氏体不锈钢,氮含量最高可达到0.22%。For the maximum carbon content of 0.03% of the austenitic stainless steel, nitrogen content up to 0.22%.


  9)为了稳定组织,钛含量应≥5×C%-0.8%,并应按本表适当标志或者铌和(或)钽含量应≥10×C%-1.0%。并应按本表适当标志。In order to stabilize the organization, the titanium content should be ≥5 × C% -0.8%, and should be in accordance with the appropriate signs or niobium and / or tantalum content should be ≥ 10 × C% -1.0%. And shall be properly marked in accordance with this table.


  10)对较大直径的产品。为达到规定的机械性能,在制造者的说明书中,可能有较高的碳含量,但对奥氏体钢不应超过0.12%。For larger diameter products. In order to achieve the specified mechanical properties, there may be a higher carbon content in the manufacturer's instructions, but not more than 0.12% for austenitic steels.


  11)钛含量可能为≥5×C%-0.8%。Titanium content may be ≥ 5 × C% -0.8%.


  12)钛含量可能为≥10×C%-1.0%。Titanium content may be ≥ 10 × C% -1.0%.

以上就是不锈钢螺丝紧固件的一些材料技术要求介绍,希望对您有所帮助。

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