steel grade

基本解释

What approach can be used to decide if a steel grade selected for a pressurized part requires specific impact properties?
对于压力容器部件用钢的选择，如何来决定承压材料是否需要规定的冲击性能要求？
www.caci.org.cn
The outer portions of the guide shoe are made from steel, generally matching the casing in size and threads, if not steel grade.
引鞋的外部由钢制成，一般与套管的尺寸和螺纹匹配，如果钢级不匹配的话。
www.infopetro.com.cn
Inspection results prove that each index of steel grade meet the technical conditions ofAmerica and Canada and satisfy the requirements of customers.
检验结果证明钢种的各项指标均达到美国、加拿大等国技术条件和用户要求。

For that you get a 40mm wide steel case that is not only made from a very high-grade steel, but is also among the best steel cases I have ever seen.
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China is keen to develop not only a home-grown car industry but also the rubber and high-grade steel industries that go with it.
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