Finland · SFS

1.4404

SFS EN 10269

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Standards

SFS EN 10088-3SFS EN 10088-3
SFS EN 10088-5SFS EN 10088-5
SFS EN 10028-7Flat products made of steels for pressure purposes. Part 7: Stainless steels
SFS EN 10088-2SFS EN 10088-2
SFS EN 10263-5SFS EN 10263-5
SFS EN 10269SFS EN 10269
SFS EN 10088-4SFS EN 10088-4
SFS EN 10272SFS EN 10272
SFS EN 10217-7SFS EN 10217-7
SFS EN 10222-5SFS EN 10222-5
SFS EN 10250-4SFS EN 10250-4
SFS EN 10253-4SFS EN 10253-4
SFS EN 10216-5:2004SFS EN 10216-5
SFS EN 10253-3SFS EN 10253-3
SFS EN 10296-2:2005SFS EN 10296-2
SFS EN 10297-2:2005SFS EN 10297-2
SFS EN 10088-1SFS EN 10088-1

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Chemical composition

wt% · log scale

min – max range
typical value

Mechanical properties

value range by condition

High / low temperature

value vs. temperature

fasteners solution annealed +AT d <= 160 mm · Yield strength Rp0.2
fasteners solution annealed +AT d <= 160 mm · Tensile strength Rm

Physical properties

vs. temperature

Elastic modulus GPa

Mean thermal expansion 10⁻⁶/K

Chemical composition

Element	min	max	Remarks
C		0.03
Cr	16.5	18.5
Mn		2
Mo	2	2.5
N		0.11
Ni	10	13
P		0.045
S		0.03	A controled sulfur content of 0.015% to 0.030% improves the machinability and is therefore recommended
Si		1

Mechanical properties

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Impact energy
bars, billets, steel bars +C700, <= 35 mm	≥350	700–850	≥20 Lo = 5.65√So	≥80 Charpy V Notch
bars, billets, steel bars +C800, <= 25 mm	≥500	800–1000	≥12 Lo = 5.65√So	≥80 Charpy V Notch
bars, billets, steel bars +AT, <= 160 mm	≥200	500–700	≥40 Lo = 5.65√So	≥100 Charpy V Notch

Physical properties

Temperature

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
200.00		15.00	500.00	0.75	8.00

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
194.00	16.00

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
186.00	16.50

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
179.00	17.00

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
172.00	17.50

500.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
165.00	18.00

Typical physical values

Density	Elastic modulus	Poisson's ratio	Remarks
7.61–8.10	190.00–215.00	0.27–0.30	Typical material properties for stainless steel. These values are not taken from the standard; they are indicative and must not be used for design.
7.86	190.00–210.00	0.27–0.30	Material properties for low-carbon, high-alloy steel. These values are not taken from the standard; they are indicative and must not be used for design.

High/low temperature

Yield strength Rp0.2 (MPa)

Condition	Temperature ℃	Approx.
fasteners solution annealed +AT d <= 160 mm	550	98
fasteners solution annealed +AT d <= 160 mm	500	100
fasteners solution annealed +AT d <= 160 mm	450	103
fasteners solution annealed +AT d <= 160 mm	400	108
fasteners solution annealed +AT d <= 160 mm	350	113
fasteners solution annealed +AT d <= 160 mm	300	119
fasteners solution annealed +AT d <= 160 mm	250	127
fasteners solution annealed +AT d <= 160 mm	200	137
fasteners solution annealed +AT d <= 160 mm	150	150
fasteners solution annealed +AT d <= 160 mm	100	165
fasteners solution annealed +AT d <= 160 mm	50	187

Tensile strength Rm (MPa)

Condition	Temperature ℃	Approx.
fasteners solution annealed +AT d <= 160 mm	550	335
fasteners solution annealed +AT d <= 160 mm	500	360
fasteners solution annealed +AT d <= 160 mm	450	375
fasteners solution annealed +AT d <= 160 mm	400	380
fasteners solution annealed +AT d <= 160 mm	350	380
fasteners solution annealed +AT d <= 160 mm	300	380
fasteners solution annealed +AT d <= 160 mm	250	385
fasteners solution annealed +AT d <= 160 mm	200	390
fasteners solution annealed +AT d <= 160 mm	150	410
fasteners solution annealed +AT d <= 160 mm	100	430
fasteners solution annealed +AT d <= 160 mm	50	460

Impact energy Kv/Ku (J)

Condition	Temperature ℃	min	Remarks
fasteners cold worked +C700 <= 35 mm	-196	50	Charpy V Notch

Similar grades

Grade	Region	System
1.4404	Italy	UNI
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1.4404	Spain	UNE
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1.4404	Romania	STAS
X 2 CrNiMo 17 12 2	Romania	STAS
1.4404	Sweden	SS
X 2 CrNiMo 17 12 2	Sweden	SS
1.4404	Switzerland	SNV
X 2 CrNiMo 17 12 2	Switzerland	SNV
X 2 CrNiMo 17 12 2	Finland	SFS
1.4404	Poland	PN
X 2 CrNiMo 17 12 2	Poland	PN
1.4404	Austria	ONORM
X 2 CrNiMo 17 12 2	Austria	ONORM
1.4404	Norway	NS
X 2 CrNiMo 17 12 2	Norway	NS
1.4404	Belgium	NBN
X 2 CrNiMo 17 12 2	Belgium	NBN
1.4404	Hungary	MSZ
X 2 CrNiMo 17 12 2	Hungary	MSZ
1.4404	Czech Republic	CSN
X 2 CrNiMo 17 12 2	Czech Republic	CSN
1.4404	Bulgaria	BDS
X 2 CrNiMo 17 12 2	Bulgaria	BDS
1.4404	United Kingdom	B.S.
X 2 CrNiMo 17 12 2	United Kingdom	B.S.
1.4404	France	AFNOR NF
X 2 CrNiMo 17 12 2	France	AFNOR NF
X 2 CrNiMo 17 12 2	Germany	DIN
1.4404	Germany	DIN