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牌號(hào)
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X2CrNiCuN23-4不銹鋼板和鋼帶
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1.4655
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對(duì)應(yīng)標(biāo)準(zhǔn)
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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(shù)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(biāo)簽
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特殊等級(jí)
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X2CrNiCuN23-4 化學(xué)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(jīng)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(chǎn)原料中帶入這些元素，因?yàn)槠鋾?huì)削弱鋼的機(jī)械性能，降低鋼的適用性。
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◎ 在詢價(jià)和訂購時(shí)可商定更嚴(yán)格的碳含量范圍。
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碳當(dāng)量計(jì)算
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X2CrNiCuN23-4 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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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(yīng)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(qiáng)度值降低15MPa。
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② 對(duì)于連續(xù)熱軋產(chǎn)品，可在詢價(jià)和訂購時(shí)商定Rp0.2(即表中σs)的最小值提高20MPa。
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③ T＜3mm時(shí)適用于標(biāo)距為80mm、寬度為20mm的試件。也可以使用標(biāo)距為50mm、寬度為12.5mm的試件。T ≥3mm時(shí)適用于標(biāo)距為5.65√S的試件。
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④ T＞75mm，可以協(xié)商機(jī)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(jù)EN ISO 3651-2進(jìn)行測(cè)試）。
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交付條件下在高溫下的最小屈服強(qiáng)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(biāo)準(zhǔn)的產(chǎn)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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