牌號
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X2CrNiCuN23-4不銹鋼板和鋼帶
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1.4655
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對應標準
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NF EN 10088-2-2005
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普通用途不銹鋼板和鋼帶的交貨技術條件
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Part2:Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
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歸類
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雙相不銹鋼
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標簽
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特殊等級
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X2CrNiCuN23-4 化學元素成分含量(%)
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成分
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C
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Si
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Mn
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P
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S
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Cr
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Ni
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Cu
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Mo
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N
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最小值
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-
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-
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-
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-
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-
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22
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3.5
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1
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0.1
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0.05
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最大值
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0.03
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1
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2
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0.035
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0.015
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24
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5.5
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3
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0.6
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0.2
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◎ 未經買方同意,不得隨意向鋼中添加表中未列的元素,冶煉精加工除外。采取一切必要措施以防在廢鋼和生產原料中帶入這些元素,因為其會削弱鋼的機械性能,降低鋼的適用性。
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◎ 在詢價和訂購時可商定更嚴格的碳含量范圍。
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碳當量計算
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X2CrNiCuN23-4 機械性能
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條件
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熱處理或狀態
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抗拉強度
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屈服點
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斷后伸長率或延伸率
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沖擊吸收能量
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σb
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σs
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δ
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KV2
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Mpa
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Mpa
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%
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J
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冷軋帶鋼:T ≤ 8mm
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+AT
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600~850
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t:≥ 420①②
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T<3mm:≥20
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-
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T ≥ 3mm:≥20 ③
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熱軋帶鋼:T ≤ 13.5mm
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+AT
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600~850
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t:≥ 400①②
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T<3mm:≥20
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(T>10mm)
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T ≥ 3mm:≥20 ③
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I:≥ 100;t:≥60
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熱軋中厚板:T ≤ 75mm④
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+AT
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630~800
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t:≥ 400①②
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T<3mm:≥25
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(T>10mm)
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T ≥ 3mm:≥25
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I:≥ 100;t:≥60
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◎ T-厚度;l-縱向; t-橫向
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◎ +A=軟化退火;+QT=淬火及回火;+P=沉淀硬化;+AT=固溶退火;+SR=消除應力
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① 如果在軋制寬度<300mm的情況下,采用縱向試件,最小抗壓強度值降低15MPa。
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② 對于連續熱軋產品,可在詢價和訂購時商定Rp0.2(即表中σs)的最小值提高20MPa。
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③ T<3mm時適用于標距為80mm、寬度為20mm的試件。也可以使用標距為50mm、寬度為12.5mm的試件。T ≥3mm時適用于標距為5.65√S的試件。
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④ T>75mm,可以協商機械性能。
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* 交貨條件下有抗晶間腐蝕; 致敏條件下有抗晶間腐蝕(根據EN ISO 3651-2進行測試)。
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交付條件下在高溫下的最小屈服強度
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Material designation
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Heat treatment
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Minimum 0.2%-proof strength,MPa
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condition
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at a temperature (in°C) of:
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Name
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Number
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100
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150
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200
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250
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X2CrNiCuN23-4
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1.4655
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+AT
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330
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300
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280
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265
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符合本歐洲標準的產品熱處理指南
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Material designation
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Hot forming
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Heat treatment
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Solution anneailing
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Name
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Number
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Temperature
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Type of
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symbol
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Temperature①
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Type of
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℃
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cooling
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℃
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cooling②
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X2CrNiCuN23-4
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1.4655
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1150 to 1000
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air
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+AT
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950 to 1050
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water,air
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