本文目录一览:
- 1、s30408和s30408Ⅱ的区别
- 2、30408是什么材质30408的材质介绍
- 3、304和30408不锈钢有啥区别
s30408和s30408Ⅱ的区别
s30408和304的区别在于原材料不同、本质不同、用途不同。
1、本质不同。S30408是UNS编号,是不锈钢资料,含碳量为0.08%;304是不锈钢常见的一种原料,密度为7.93g/cm,业界称18/8不锈钢。耐高温,具有加工功能好、韧性高的特色,广泛使用于工业、家居装修职业、食物医疗职业。
2、原材料不同。s30408和304不是同一种原料,S30408是国产奥氏体不锈钢钢号,S304是国外标准。
3、用途不同。304是一种通用性的不锈钢,广泛地用于制造要求杰出综合功能(耐腐蚀和成型性)的设备和机件。为保持不锈钢所固有的耐腐蚀性,钢有必要含有18%以上的铬,8%以上的镍含量。而S30408(奥氏体型不锈钢),这是一种通用性的不锈钢,广泛地用于 *** 要求良好综合性能(耐腐蚀和成型性)的设备和机件。
不锈钢(Stainless Steel)根据GB/T20878-2007中定义是以不锈、耐蚀性为主要特性,且铬含量至少为10.5%,碳含量更大不超过1.2%的钢。
不锈钢(Stainless Steel)是不锈耐酸钢的简称,耐空气、蒸汽、水等弱腐蚀介质或具有不锈性的钢种称为不锈钢;而将耐化学腐蚀介质(酸、碱、盐等化学浸蚀)腐蚀的钢种称为耐酸钢。
30408是什么材质30408的材质介绍
1、30408是不锈钢钢材的一种材质。30408是一种不锈钢的编号,属于不锈钢钢材的一种,但是一般不用来当作食品用接触不锈钢钢材,因为30408钢材的不锈钢的金属元素含量使得不适合用来接触食品,一般就只用于工业产业行业了。
2、30408作为不锈钢,它的含碳量比较低,因此30408不锈钢的材质比较轻,但是同时它的耐腐蚀性会相对变弱,适合使用在一些对耐腐蚀性要求不太高、性能不太苛刻的场合。
304和30408不锈钢有啥区别
确切的说30408写法为S30408;S30408相当于国标中的06Cr19Ni10(新标304);304相当于国标中的0Cr18Ni9(老标304)
元素含量多了什么?
国标304与S30408的主要区别在于其Cr铬含量,其中TP304的铬含量要高一个,达到18个以上,所以其耐腐蚀性以及价格方面都比国标304稍微高些。所以价格上TP304要比304贵一些,我们华盾不锈钢管道目前都是S30408。成分含量如下:
304:C≤0.08,Ni:8.00-11.00,Cr:17.00-19.00;
S30408:C≤0.08,Ni:8.00-11.00,Cr:18.00-20.00;
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