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Grade X4CrNi18-12
European Standard Steel Grade 1.4303
Corresponding Standard EN 10088-3-2014
Stainless steels-Part 3: Technical delivery condition for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
Classification Austenitic Stainless Steel
X4CrNi18-12 Chemical Element Composition Content (%)
Component C Si Mn P S ⓑ Cr Ni N
Minimum Value - - - - - 17 11 -
Maximum Value 0.06 1 2 0.045 0.03 19 13 0.1
X4CrNi18-12 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW 		Impact Energy Absorption
KV2
J
Bar, rod, wire, section, bright products; d≤160 +AT 500~700 ≥190 (long.)
≥45		 ≤215 (long.)
≥100
Bar, rod, wire, section, bright products; 160<d≤250 +AT 500~700 ≥190 (tr.)
≥35		 ≤215 (tr.)
≥60
Cold drawn wire; d≥0.05 +C500 500~700
Cold drawn wire; d≥0.05 +C600 600~800
Cold drawn wire; d≥0.05 +C700 700~900
Cold drawn wire; d≥0.05 +C800 800~1000
Cold drawn wire; d≥0.05 +C900 900~1100
Cold drawn wire; d≥0.05 +C1000 1000~1250
Cold drawn wire; d≥0.05 +C1100 1100~1350
Cold drawn wire; d≥0.05 +C1200 1200~1450
Cold drawn wire; d≥0.05 +C1400 1400~1700
Cold drawn wire; d≥0.05 +C1600 1600~1900
Cold drawn wire; d≥0.05 +C1800 1800~2100
Cold drawn wire; 0.05<d≤0.1 +AT ≤1100 (long.)
≥20
Cold drawn wire; 0.1<d≤0.2 +AT ≤1050 ≥20
Cold drawn wire; 0.2<d≤0.5 +AT ≤1000 ≥30
Cold drawn wire; 0.5<d≤1 +AT ≤950 ≥30
Cold drawn wire; 1<d≤3 +AT ≤900 ≥30
Cold drawn wire; 3<d≤5 +AT ≤850 ≥35
Cold-drawn wire; 5<d≤16 +AT ≤800 ≥35
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
10Cr18Ni12 S30510 305 SUS 305 STS 305 305 S30500 X6CrNi 18-12 X5CrNi 18-12
(X5CrNi 19-11)
X4CrNi 18-12 		1.4303
1.4303 		Z8CN 18-12 X4CrNi 18-12 1.4303 12Х18Н12Т 305S19
2 Approximate Comparison Table
Japan United States France European Standard Russia United Kingdom
JIS ASTM NF EN/NF EN Numerical Grade GOST BS EN/BS
SUS305J1 305 Z1CN18-12
Z5CN18-11FF 		X4CrNi18-12 1.4303 06KH18N11 305S19
3 Approximate Comparison Table Stainless steels for cold heading and cold extruding
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade EN Numerical Grade
10Cr18Ni12
(1Cr18Ni12) 		S30510 SUS305 305 S30500 X6CrNi18-12 4303-305-00-I X6CrNi18-12 1.4303
X4CrNi18-12 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X4CrNi 18-12 1.4303
2 EN 10263-5-2001
X4CrNi18-12 1.4303
3 EN 10269-2006
X4CrNi18-12 1.4303
4 EN 10088-3-2005
X4CrNi18-12 1.4303
5 EN 10269-2013
X4CrNi 18-12 1.4303
6 EN 10088-3-2014
X4CrNi18-12 1.4303
7 NF EN 10269-1999
X4CrNi18-12 1.4303
8 VDI 2230-1-2015
X4CrNi 18-12 1.4303
9 DIN EN 10263-5-2018
X4CrNi18-12 1.4303
10 DIN EN 10269-2014
X4CrNi 18-12 1.4303
11 DIN EN 10088-3-2014
X4CrNi18-12 1.4303
12 NF EN 10088-2-2005
X4CrNi18-12 1.4303
13 NF EN 10088-1-2005
X4CrNi18-12 1.4303
14 EN 10263-5-2017
X4CrNi18-12 1.4303

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