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X 4 CrNiMo 16 5 1

EN 4631:2013 — EN 4631

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Standards

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
Fe			Base	Base
Mn		1.5	Where a higher strength is required	Where a higher strength is required
Mo	0.8	1.5
N	0.02
Ni	4	6
P		0.03
P+S		0.023	For specific welding applications and after agreement.	For specific welding applications and after agreement.
S		0.005
Si		0.7

Mechanical properties

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Impact energy	Hardness
bars 75.00 ≤, d ≤ 200.00mm, quenched and tempered	≥700 长-转	900–1050 长-转	≥12 长-转	≥60 Charpy V Notch (20°C)；≥35 Charpy V Notch (20°C)	HB 269–331 HBW;长-转
bars d ≤ 200.00mm, annealed					HB ≤293
bars d ≤ 75.00mm, quenched and tempered	≥700 纵向	900–1050 纵向	≥16 纵向	≥120 Charpy V Notch (120°C)；≥70 Charpy V Notch (120°C)	HB 269–331 HBW;纵向

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。