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X 4 CrNiMo 16 5 1

EN 10272:2007 — EN 10272

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EN 10088-5:2009EN 10088-5
EN 10088-3:2005Stainless steels - Part 3: Technical delivery conditions for semi-finished products,bars,rods and sections for general purposes
EN 4642:2009EN 4642
EN 10272:2007EN 10272
EN 4628:2013EN 4628
EN 4629:2013EN 4629
EN 4631:2013EN 4631
EN 4627:2007EN 4627
EN 4628:2007EN 4628
EN 4629:2007EN 4629
EN 4630:2007EN 4630
EN 4631:2007EN 4631
EN 10250-4:1999EN 10250-4
EN 4630:2014EN 4630
EN 4267:2014EN 4267
EN 10028-7:2007EN 10028-7
EN 10088-1:2014Acciai inossidabili - Parte 1: Lista degli acciai inossidabili
EN 10088-1:2005Acciai inossidabili - Parte 1: Lista degli acciai inossidabili
EN 10088-2:2005Stainless Steels - Part 2: Technical Delivery Conditions For Sheet/Plate And Strip Of Corrosion Resisting Steels For General Purposes
EN 10088-4:2009EN 10088-4
EN 4683:2011EN 4683
EN 10028-7:2000EN 10028-7
EN 10272:2000EN 10272

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Element	min	max	Similar	Remarks
C		0.06
Cr	15	17
Mn		1.5
Mo	0.8	1.5
N	0.02
Ni	4	6
P		0.04
S		0.03	For products to be machined a controlled sulfur content of 0	For products to be machined a controlled sulfur content of 0
Si		0.7

Mechanical properties

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Impact energy	Hardness
bars +QT760, <= 160 mm	≥550	760–960	≥16 After fracture (long.)	≥40 Charpy V Notch (+20°C); (long.)；≥90 Charpy V Notch (+20°C); (long.)
bars +QT760, > 160 <= 250 mm	≥550	760–960	≥14 After fracture (trans.)	≥70 Charpy V Notch (+20°C); (trans.)
bars +QT900, <= 160 mm	≥700	900–1100	≥16 After fracture (long.)	≥80 Charpy V Notch (+20°C); (long.)
bars +QT900, > 160 <= 250 mm	≥700	900–1100	≥14 After fracture (trans.)	≥60 Charpy V Notch (+20°C); (trans.)
bars +A		≤1100			HB ≤320 HBW

Temperature

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
200.00		15.00	430.00	0.80	7.70

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
195.00	10.30

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
185.00	10.80

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
175.00	11.20

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
170.00	11.60

Density	Elastic modulus	Poisson's ratio	Remarks
7.61–8.10	190.00–215.00	0.27–0.30	不锈钢的典型材料性能数值，此值不来源于标准，它是指示性指标，不能被用于设计用途。
7.86	190.00–210.00	0.27–0.30	低碳，高合金钢材料性能属性数值，此值不来源于标准，它是指示性指标，不能被用于设计用途。

Yield strength Rp0.2 (MPa)

Condition	Temperature ℃	Approx.
bars quenched and tempered +QT900	300	580
bars quenched and tempered +QT900	250	600
bars quenched and tempered +QT900	200	620
bars quenched and tempered +QT900	150	640
bars quenched and tempered +QT900	100	660
bars quenched and tempered +QT760	300	480
bars quenched and tempered +QT760	250	490
bars quenched and tempered +QT760	200	500
bars quenched and tempered +QT760	150	510
bars quenched and tempered +QT760	100	520

Impact energy Kv/Ku (J)

Condition	Temperature ℃	min	Remarks
bars quenched and tempered +QT760 <= 160 mm diameter / thickness	-20	40	Charpy V Notch