steel grade

基本解釋

What approach can be used to decide if a steel grade selected for a pressurized part requires specific impact properties?
對(duì)于壓力容器部件用鋼的選擇，如何來(lái)決定承壓材料是否需要規(guī)定的沖擊性能要求？
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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，一般與套管的尺寸和螺紋匹配，如果鋼級(jí)不匹配的話。
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Inspection results prove that each index of steel grade meet the technical conditions ofAmerica and Canada and satisfy the requirements of customers.
檢驗(yàn)結(jié)果證明鋼種的各項(xiàng)指標(biāo)均達(dá)到美國(guó)、加拿大等國(guó)技術(shù)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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