中文版
Home Material EN 10217-7-2021
简体 | 繁體
Grade X2CrNiMo 18-15-4
European Standard Steel Grade 1.4438
Corresponding Standard EN 10217-7-2021
Part 7: Stainless steel tubes
Classification Austenitic Stainless Steel
X2CrNiMo 18-15-4 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
X2CrNiMo 18-15-4 Mechanical Properties
wall thickness
T
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
T≤60 Solution annealing (+AT) 490~690 ≥220 Rp1.0
≥250		 ≥35(l)
≥30(t)		 室温
≥100(l)；≥60(t)
-196°C
≥60(t)
• l=longitudinal；t=transverse
• Solution annealing temperature: 1100-1160°C, rapid cooling in water and air. Resistant to intergranular corrosion. Method C in EN ISO 3651-2-1998.
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
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS 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

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!