GB/T 40341-2021深海油田鉆采用高強韌合金結構鋼棒High strength and toughness alloy structure steel bars for deep sea oil field drilling and exploiting

上一條：GB/T 40342-2021鋼絲熱鍍鋅鋁合金鍍層中鋁含量的測定Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire

下一條：GB/T 40340-2021復合材料與金屬組合件 碳纖維增強聚合物基復合材料膠接或緊固件連接結構人工環(huán)境下的電偶腐蝕試驗 鹽霧試驗Composites and metal assemblies. Galvanic corrosion tests of carbon fibre reinforced plastics (CFRPs) related bonded or fastened structures in artificial atmospheres. Salt spray tests

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