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牌號(hào)
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1.4512不銹鋼板和鋼帶
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X2CrTi12
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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(lèi)
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鐵素體不銹鋼
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標(biāo)簽
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標(biāo)準(zhǔn)等級(jí)
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X2CrTi12 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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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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-
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-
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10.5
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Ti：[6×(C+N)]~0.65
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最DA值
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0.03
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1
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1
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0.04
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0.015
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12.5
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◎ 未經(jīng)買(mǎi)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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X2CrTi12 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(zhǎng)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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冷軋帶鋼：T ≤ 8mm
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+A
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380~560
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l：≥210；t：≥220
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≥ 25①
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熱軋帶鋼：T ≤ 13.5mm
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+A
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380~560
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l：≥210；t：≥220
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≥ 25①
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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 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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* 交貨條件下無(wú)抗晶間腐蝕; 焊接狀態(tài)下無(wú)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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300
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350
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400
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X2CrTi12
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1.4512
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+A
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200
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195
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190
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185
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180
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160
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-
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