X2CrNiMo18-15-4 1.4438 - EN 10028-7-2016

Grade	X2CrNiMo18-15-4
European Standard Steel Grade	1.4438
Corresponding Standard	EN 10028-7-2016 Flat Products Made of Steels for Pressure Purposes - Part 7: Stainless Steels
Classification	Austenitic Stainless Steel

X2CrNiMo18-15-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	17.5	13	3	-
Maximum Value	0.03	1	2	0.045	0.015	19.5	16	4	0.1

X2CrNiMo18-15-4 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	550~700	tr© Rp0.2：≥240 Rp1.0：≥270	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	550~700	tr© Rp0.2：≥220 Rp1.0：≥260	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	520~720	tr© Rp0.2：≥220 Rp1.0：≥260	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
• B=width；T=thick

Approximate Comparison Table Austenitic Stainless Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

022Cr19Ni13Mo3
(00Cr19Ni13Mo3)

S31703

317L

SUS 317L

STS 317L

317L

S31703

X2CrNiMo 19-14-4
X2CrNiMo18-15-4

X2CrNiMo 18-15-4
(X2CrNiMo 18-16)

1.4438

Z2CND 19-15
Z3CND 19-15-04

X2CrNiMo 18-15-4

1.4438

03Х16Н15М3

2367

317S12
317S11

X2CrNiMo18-15-4 Corresponding Standards(Same grade name, different standards)

1	EN 10088-1-2005
	X2CrNiMo 18-15-4 1.4438
2	EN 10253-4-2003
	X2CrNiMo18-15-4 1.4438
3	EN 10088-3-2005
	X2CrNiMo 18-15-4 1.4438
4	EN 10088-3-2014
	X2CrNiMo 18-15-4 1.4438
5	ISO 9328-7-2018
	X2CrNiMo18-15-4
6	DIN EN 10088-3-2014
	X2CrNiMo 18-15-4 1.4438
7	NF EN 10088-2-2005
	X2CrNiMo18-15-4 1.4438
8	NF EN 10088-1-2005
	X2CrNiMo18-15-4 1.4438
9	NF EN 10028-7-2008
	X2CrNiMo18-15-4 1.4438
10	NF EN 10028-7-2000
	X2CrNiMo18-15-4 1.4438
11	EN 10217-7-2021
	X2CrNiMo 18-15-4 1.4438
12	EN 10088-2-2024
	X2CrNiMo18-15-4 1.4438
13	EN 10028-7-2016
	X2CrNiMo18-15-4 1.4438

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