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GB/T 20887.6-2017
Continuously hot rolled high strength steel sheet and strip for automobile—Part 6: Complex phase steel
GB/T 20564.10-2017
Continuously cold rolled high strength steel sheet and strip for automobile—Part 10: Twinning induced plasticity steel
GB/T 20887.1-2017
汽车用高强度热连轧钢板及钢带 第1部分:冷成形用高屈服强度钢
Continuously hot rolled high strength steel sheet and strip for automobile—Part 1: High yield strength steel for cold forming
GB/T 4157-2017
金属在硫化氢环境中抗硫化物应力开裂和应力腐蚀开裂的实验室试验方法
Laboratory testing of metals for resistance to sulfide stress cracking and stress corrosion cracking in H2S environment
GB/T 4698.22-2017
海绵钛、钛及钛合金化学分析方法 第22部分:铌量的测定 5-Br-PADAP分光光度法和电感耦合等离子体原子发射光谱法
Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22:Determination of niobium content—5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 4698.28-2017
海绵钛、钛及钛合金化学分析方法 第28部分:钌量的测定 电感耦合等离子体原子发射光谱法
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 28:Determination of ruthenium content—Inductively coupled plasma atomic emission spectrometry
GB/T 1819.7-2017
锡精矿化学分析方法 第7部分:铋量的测定 火焰原子吸收光谱法
Methods for chemical analysis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method
GB/T 1819.11-2017
锡精矿化学分析方法 第11部分:三氧化二铝量的测定 铬天青S分光光度法
Methods for chemical analysis of tin concentrates—Part 11:Determination of aluminium oxide content—Chromazuzal S spectrophotometric method