Web不锈钢学习 a2-80 材质. 普通碳钢螺丝都是标8.8什么的,, A4-70与A4-80在材质本身上没什么区别。. 8.8是屈服强度,A1,A2,A4代表302、304、316;45,50,60,70,80代表 … WebA4 Stainless Steel. For marine conditions, you need more corrosion resistance. Adding molybdenum (2-3%) to the mix provides this extra cover – and gives us the A4 grade. A4 …
304和316不锈钢到底哪个好,如何根据用途来挑选? - 搜狐
WebThe “70” denotes the minimum tensile strength to be met by the material (actually the bolt, screw or nut after manufacture). Therefore, A2-70 is an austenitic, acid proof stainless … Web知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借 … the leaf facial device
螺栓上的A1 A2 A3 A4分别代表什么意思-江苏百德特种合金有限公司
WebGenerally, grade A4 stainless screws tend to be easier to fabricate, clean, finish, and weld. This is because the chemistry of A4 differs from A2. Moreover, the high alloying content … WebJun 29, 2024 · 什么是A2-70不锈钢?. 许多客户对不锈钢中出现的A2-70不锈钢,A2-80不锈钢等标示不清楚,不知道为何物,这里的A2其实是不锈钢组别的一种,标示不锈钢的材 … WebNov 28, 2012 · a1是奥氏体不锈钢,编号为201, a2是奥氏体不锈钢,编号为304, a3是奥氏体不锈钢,标号为316,-70是强度的等级, the leaf easton pa