X2CrNiMoN17-13-5 1.4439 - EN 10028-7-2016

Grade	X2CrNiMoN17-13-5
European Standard Steel Grade	1.4439
Corresponding Standard	EN 10028-7-2016 Flat Products Made of Steels for Pressure Purposes - Part 7: Stainless Steels
Classification	Austenitic Stainless Steel

X2CrNiMoN17-13-5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	16.5	12.5	4	0.12
Maximum Value	0.03	1	2	0.045	0.015	18.5	14.5	5	0.22

X2CrNiMoN17-13-5 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
C：T ≤ 8	+AT	580~780	tr© Rp0.2：≥290 Rp1.0：≥320	T＜3mm, A80① long.+tr. :≥35； T≥3mm, A② long.+tr. :≥35 ©	20°C long.: ≥100 tr.: ≥60 -196°C tr.: ≥60
H：T ≤ 13.5	+AT	580~780	tr© Rp0.2：≥270 Rp1.0：≥310	T＜3mm, A80① long.+tr. :≥35； T≥3mm, A② long.+tr. :≥35 ©	20°C long.: ≥100 tr.: ≥60 -196°C tr.: ≥60
P：T ≤ 75	+AT	580~780	tr© Rp0.2：≥270 Rp1.0：≥310	T＜3mm, A80① long.+tr. :≥40； T≥3mm, A② long.+tr. :≥40 ©	20°C long.: ≥100 tr.: ≥60 -196°C tr.: ≥60

• C=cold rolled strip；H=hot rolled strip；P=hot rolled plate
• +A=Annealed；+AT=Solution annealed

1 Approximate Comparison Table Austenitic Stainless Steel

China		United States		International Organization for Standardization		European Standard
GB	ISC	AISI	UNS	ISO	Numerical Grade	EN	Numerical Grade
022Cr19Ni16Mo5N	S31723	317LMN	S31726	X2CrNiMoN17-13-5 X2CrNiMoN 18-15-5	4439-317-26-E 4483-317-26-I	X2CrNiMoN17-13-5	1.4439 (1.4483)

2 Approximate Comparison Table Austenitic Stainless Steel

X2CrNiMoN17-13-5 Corresponding Standards(Same grade name, different standards)

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