USA UNS S30403
ASTM
Specification or Grade
304L
Corresponding Standard ASTM A479/A479M-2018
Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value - - - - - 18 8
Maximum Value 0.03 1 2 0.045 0.03 20 12
◎ New designations established in accordance with Practice E527 and SAE J1086 published jointly by ASTM and SAE. See ASTM DS-56C, available from ASTM Headquarters.
Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
All specifications Strain Hardening Level 1 ≥585 ≥ 450 ① in 2 in.[50 mm] or 4D
≥ 30
≥ 60 ②
d ≤ 50.8mm Strain Hardening Level 2 ≥655 ≥515 in 2 in.[50 mm] or 4D
≥ 25
≥ 40 ②
50.8mm<d ≤ 63.5mm Strain Hardening Level 2 ≥620 ≥450 in 2 in.[50 mm] or 4D
≥ 30
≥ 40 ②
63.5mm<d ≤ 76.2mm Strain Hardening Level 2 ≥550 ≥380 in 2 in.[50 mm] or 4D
≥ 30
≥ 40 ②
All sizes Annealing ≥485 ≥170 in 2 in.[50 mm] or 4D
≥ 30
≥ 40 ②
◎ d-diameter, t-thickness
1 Approximate Comparison Table Austenitic Stainless Steel
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 Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
022Cr19Ni10
(00Cr19Ni10)
S30403 304L SUS 304L STS 304L 304L S30403 X2CrNi 19-11
X2CrNi 18-9
4306-304-03-I
4307-304-03-I
X2CrNi 19-11
(X2CrNi 18-9)
1.4306 Z2CN 18-10
Z2CN 18-09
X2CrNi 19-11
X2CrNi 18-9
1.4306
1.4307
03Х18Н10 304S12
2 Approximate Comparison Table Austenitic Stainless Steel
Japan United States France European Standard Russia Sweden United Kingdom
JIS ASTM NF EN/NF EN Numerical Grade GOST SS BS EN/BS
SUS304L 304L Z2CN18
Z3CN18
Z3CN19-09
X2CrNi18-9 1.4307 04KH18N10 2352 304S11
3 Approximate Comparison Table Austenitic Stainless Steel
Japan United States France European Standard Russia Sweden United Kingdom
JIS ASTM NF EN/NF EN Numerical Grade GOST SS BS EN/BS
SUS304L 304L Z2CN18-10
Z3CN18-10
X2CrNi19-11 1.4306 03KH18N11 2352 304S11
4 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
022Cr19Ni10
(00Cr19Ni10)
S30403 SUS304L 304L S30403 X2CrNi18-9 4307-304-03-I X2CrNi18-9 1.4307
5 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
022Cr19Ni10
(00Cr19Ni10)
S30403 SUS304L 304L S30403 X2CrNi19-11 4306-304-03-I X2CrNi19-11 1.4306

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