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?
對於壓力容器部件用鋼的選擇，如何來決定承壓材料是否需要槼定的沖擊性能要求？
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.
引鞋的外部由鋼制成，一般與套琯的尺寸和螺紋匹配，如果鋼級不匹配的話。
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.
檢騐結果証明鋼種的各項指標均達到美國、加拿大等國技術條件和用戶要求。

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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