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B211 7075軋制冷加工鋁合金棒(T6;T7351)
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牌號(hào)
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B211 7075
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對(duì)應(yīng)標(biāo)準(zhǔn)
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ASTM B211/B211M-2019
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軋制或冷加工鋁及鋁合金棒材、盤條和線材標(biāo)準(zhǔn)規(guī)范
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Standard Specification for Aluminum and Aluminum-Alloy Rolled or Cold Finished Bar, Rod, and Wire
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歸類
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鋁及鋁合金
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標(biāo)簽
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鋁合金
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B211 7075 化學(xué)元素成分含量(%)
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成分
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Fe
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Si
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Mn
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Cr
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Cu
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Ti
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Zn
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Mg
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其他單個(gè)
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其他合計(jì)
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更多
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最小值
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-
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-
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-
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0.18
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1.2
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-
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5.1
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2.1
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-
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-
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Al余量
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最大值
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0.5
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0.4
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0.3
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0.28
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2
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0.2
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6.1
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2.9
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0.05
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0.15
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其他單個(gè)或其他合計(jì)化學(xué)成分包括表中未值的化學(xué)成分。只有在假定存在或在常規(guī)分析中，且有跡象表明其成分將超過規(guī)定值的情況下，才應(yīng)進(jìn)行分析。
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B211 7075 機(jī)械性能
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條件
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熱處理或狀態(tài)
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抗拉強(qiáng)度
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屈服點(diǎn)
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斷后伸長率或延伸率
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σb
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σs
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δ
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Mpa
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Mpa
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%
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d≤3.2
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退火（O）
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≤275
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3.2＜d≤200
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退火（O）
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≤275
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in 50mm
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≥10
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d≤3.2
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固溶熱處理+人工時(shí)效 (T6)
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≥530
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≥455
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3.2＜d≤100
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固溶熱處理+人工時(shí)效 (T6)
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≥530
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≥455
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in 50mm
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≥7
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d≤3.2
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固溶熱處理+人工時(shí)效 (T62)
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≥530
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≥455
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3.2＜d≤100
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固溶熱處理+人工時(shí)效 (T62)
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≥530
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≥455
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in 50mm
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≥7
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d≤3.2
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固溶熱處理+拉伸消除應(yīng)力+人工時(shí)效 (T651)
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≥530
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≥455
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3.2＜d≤100
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固溶熱處理+拉伸消除應(yīng)力+人工時(shí)效 (T651)
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≥530
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≥455
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in 50mm
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≥7
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100＜d≤160
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固溶熱處理+拉伸消除應(yīng)力+人工時(shí)效 (T651)
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≥515
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≥440
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in 50mm
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≥7
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160＜d≤200
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固溶熱處理+拉伸消除應(yīng)力+人工時(shí)效 (T651)
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≥505
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≥425
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in 50mm
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≥7
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d≤3.2
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固溶熱處理+淬火+雙重時(shí)效(T73)
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≥470
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3.2＜d≤100
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固溶熱處理+淬火+雙重時(shí)效(T73)
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≥470
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≥425
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in 50mm
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≥10
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100＜d≤120
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固溶熱處理+淬火+雙重時(shí)效(T73)
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≥455
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≥380
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in 50mm
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≥8
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120＜d≤160
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固溶熱處理+淬火+雙重時(shí)效(T73)
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≥440
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≥360
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5*diameter(5.65√A)
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≥7
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d≤3.2
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固溶熱處理+淬火+永久位伸變形量1%至3%+雙重時(shí)效(T7351)
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≥470
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3.2＜d≤100
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固溶熱處理+淬火+永久位伸變形量1%至3%+雙重時(shí)效(T7351)
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≥470
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≥425
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in 50mm
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≥10
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100＜d≤120
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固溶熱處理+淬火+永久位伸變形量1%至3%+雙重時(shí)效(T7351)
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≥455
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≥380
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in 50mm
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≥8
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120＜d≤160
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固溶熱處理+淬火+永久位伸變形量1%至3%+雙重時(shí)效(T7351)
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≥440
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≥360
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5*diameter(5.65√A)
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≥7
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① 表中d：表示鋼材特殊直徑或厚度。
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* A=截面面積
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