Stainless Steel 304L Main features
Stainless steel 304L (UNS S30403) is the most widely used "18-8" chromium-nickel austenitic stainless steel. It is an economical and versatile corrosion-resistant alloy that is suitable for a wide range of applications for general purposes.
304L is commonly doubly certified as 304 and 304L The low carbon content of stainless steel 304L combined with the addition of nitrogen makes it possible for 304L to satisfy the mechanical property requirements of 304.
304L alloy has excellent resistance against intergranular corrosion in its welded state and has great strength hand toughness at cryogenic temperatures.
Stainless steel 304L is non-magnetic in its annealed state, but may become slightly magnetic as a result of cold processing or welding. It is easy to weld and process using standard manufacturing techniques.
Stainless steel 304L Chemical Composition, %
|
Grade |
C≤ |
Mn≤ |
P≤ |
S≤ |
Si≤ |
Cr |
Ni |
N≤ |
|
304L |
0.03 |
2.0 |
0.045 |
0.03 |
0.75 |
18.0-20.0 |
8.0-12.0 |
0.1 |
Stainless steel 304L Mechanical Properties
|
Grade |
Tensile, min, ksi[MPa] |
Yield, min, ksi[MPa] |
Elongation, %(min) |
Hardness, HB(max) |
|
304L |
70【485】 |
25【170】 |
40 |
201 |
Physical properties
Density: 7.9 g/cm3
Stainless steel 304L Equivalent Grades
|
STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
BS |
GOST |
AFNOR |
EN |
|
304L |
1.4306/1.4307 |
S30403 |
SUS304L |
304S11 |
03Х18Н11 |
Z3CN18‐10 |
X2CrNi18-9 / X2CrNi19-11 |
ASTM SPECIFICATION
|
Pipe, |
Tube, |
Tube , |
Sheet/Plate |
Bar /Rod |
Forging /Flange |
BW Fittings |
|
ASTM A312 |
ASTM A269 |
ASTM A213 |
ASTM A240 |
ASTM A276/A479 |
ASTM A182 |
ASTM A403 |
Applications of stainless steel 304L
✓ Chemical and petrochemical industry
✓ Foodstuffs industry
✓ Medical industry
✓ Mining
✓ Oil refining
✓ Pharmaceutical industry
✓ Nuclear industry
✓ Waste and paper manufacturing industry
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