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Grade :
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? ??X2CrNiMoN25-7-4耐腐蝕鋼片/板和帶材
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? ??Number:
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? ? 1.4410
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? ??Classification:
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? ? Austenitic-ferritic stainless steel - special grade
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? ??Density:
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? ? 7.8 ? g/cm 3
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? ??Standard:
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? ?
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EN 10088-2:2005不銹鋼。通用耐腐蝕鋼片/板和帶材交貨技術條件
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EN 10088-3:2005不銹鋼。一般用途耐腐蝕鋼的半成品、棒材、線材、型材和光亮產品的交貨技術條件
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EN 10028-7:2007壓力用鋼制扁平產品。不銹鋼
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EN 10222-5:2000壓力用鋼鍛件。馬氏體、奧氏體和奧氏體-鐵素體不銹鋼
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EN 10216-5:2014壓力用無縫鋼管。技術交付條件。不銹鋼管
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EN 10217-7:2005壓力用焊接鋼管。不銹鋼管
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EN 10296-2:2005機械和一般工程用焊接圓鋼管。不銹鋼。技術交付條件
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EN 10253-3:2008對焊管件。無特殊檢驗要求的鍛造奧氏體和奧氏體-鐵素體（雙相）不銹鋼
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EN 10253-4:2008對焊管件。有特殊檢驗要求的鍛制奧氏體和奧氏體-鐵素體（雙相）不銹鋼
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EN 10272:2007壓力用不銹鋼棒
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EN 10250-4:2000一般工程用開口鋼模鍛件。不銹鋼
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EN 10297-2:2005機械和一般工程用無縫圓形鋼管。不銹鋼。技術交付條件
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EN 10088-1:2005不銹鋼。不銹鋼清單
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EN 10088-5:2009不銹鋼。建筑用耐腐蝕鋼棒材、棒材、線材、型材和光亮產品的交貨技術條件
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EN 10088-4:2009不銹鋼。建筑用耐腐蝕鋼片/板和帶材交貨技術條件
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? ??Equivalent grades:
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? ??
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Chemical composition % ? of ? steel ? X2CrNiMoN25-7-4 (1.4410): ? EN 10088-2-2005
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未經買方同意，不得故意將本表中未列出的元素添加到鋼材中，除非對鑄件進行精加工。
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C
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Si
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Mn
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Ni
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P
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S
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Cr
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Mo
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N
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max ? 0.03
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max ? 1
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max ? 2
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6月8日
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max ? 0.035
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max ? 0.015
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24 - 26
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3 - 4.5
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0.24 - 0.35
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Mechanical properties of ? steel ? X2CrNiMoN25-7-4 (1.4410)?
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Rm?- Tensile strength (MPa) (+A)
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730-1000
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Rm?- Tensile strength (MPa) (+AT)
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800-1000
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Rp0.2?0.2% proof strength (MPa) (+A)
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530-550
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Rp0.2?0.2% proof strength (MPa) (+AT)
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500-550
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KV?- Impact energy (J) transverse, (+A)
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+20°
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-40°
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90
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40
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KV?- Impact energy (J) longitud., (+A)
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+20°
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100-150
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KV?- Impact energy (J) transverse, (+AT)
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+20°
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-40°
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100
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40
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KV?- Impact energy (J) longitud., (+AT)
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+20°
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100-200
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A?- Min. elongation at fracture (%) (+A)
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15-25
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A?- Min. elongation at fracture (%) longitud., (+AT)
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20
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? Brinell hardness ? (HB): ? (+A)
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290
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? Brinell hardness ? (HB): ? (+AT)
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310?
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