Grade :
X2CrNiMoN22-5-3 耐腐蝕鋼片/板和帶材
Number: 1.4462
Classification: 奧氏體-鐵素體不銹鋼
Density: 7.8 g/cm 3
Standard:
EN 10088-2:2005不銹鋼。通用耐腐蝕鋼片/板和帶材交貨技術(shù)條件
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(chǎn)品的交貨技術(shù)條件
EN 10028-7:2007壓力用鋼制扁平產(chǎn)品。不銹鋼
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
EN 10216-5:2014壓力用無縫鋼管。技術(shù)交付條件。不銹鋼管
EN 10217-7:2005壓力用焊接鋼管。不銹鋼管
EN 10296-2:2005機(jī)械和一般工程用焊接圓鋼管。不銹鋼。技術(shù)交付條件
EN 10253-3:2008對焊管件。無特殊檢驗(yàn)要求的鍛造奧氏體和奧氏體-鐵素體（雙相）不銹鋼
EN 10253-4:2008對焊管件。有特殊檢驗(yàn)要求的鍛制奧氏體和奧氏體-鐵素體（雙相）不銹鋼
EN 10272:2007壓力用不銹鋼棒
EN 10263-5:2001冷鐓和冷擠壓用鋼條、棒材和線材。不銹鋼交貨技術(shù)條件
EN 10250-4:2000一般工程用開口鋼模鍛件。不銹鋼
EN 10297-2:2005機(jī)械和一般工程用無縫圓形鋼管。不銹鋼。技術(shù)交付條件
EN 10088-1:2005不銹鋼。不銹鋼清單
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(chǎn)品的交貨技術(shù)條件
EN 10088-4:2009不銹鋼。建筑用耐腐蝕鋼片/板和帶材交貨技術(shù)條件
Equivalent grades:
Chemical comb % of steel X2CrNiMoN22-5-3 (1.4462): EN 10088-2-2005
Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast.
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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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4.5 - 6.5
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max 0.035
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max 0.015
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21 - 23
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2.5 - 3.5
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0.1 - 0.22
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Mechanical properties of steel X2CrNiMoN22-5-3 (1.4462)
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Rm - Tensile strength (MPa) (+A)
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640-950
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Rm - Tensile strength (MPa) (+AT)
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640-920
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Rm - Tensile strength (MPa) (+AT+C)
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1000-1020
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Rp0.2 0.2% proof strength (MPa) (+A)
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450-500
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Rp0.2 0.2% proof strength (MPa) (+AT)
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450
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KV - Impact energy (J) transverse, (+A)
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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., (+A)
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+20°
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150
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KV - Impact energy (J) longitud., (+AT)
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+20°
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120-200
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KV - Impact energy (J) transverse, (+AT)
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+20°
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-196°
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-40°
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90-100
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40
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40
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A - Min. elongation at fracture (%) (+A)
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20-25
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A - Min. elongation at fracture (%) transverse, (+AT)
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22
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A - Min. elongation at fracture (%) longitud., (+AT)
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22-30
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Nominal diameter (mm):
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2月25日
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Z - Reduction in cross section on fracture (%)
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50-55
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Brinell hardness (HB): (+A)
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270
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Brinell hardness (HB): (+AT)
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290
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