Home » AISI 308L Stainless Steel Material Data Sheet
AISI 308L Stainless Steel Material Data Sheet
AISI 308L Stainless Steel Material Data Sheet
Stainless steel, austenitic, AISI 308L, annealed
AISI 308L Stainless Steel General information
Designation
AISI 308L, wrought
Condition
Solution annealed
UNS number
S30880
US name
AISI 308L
AISI 308L Stainless Steel Typical uses
Typical uses
Processing of potentially corrosive liquids e.g. chemicals/oil/beverages/sewage, structural uses in corrosive environments, e.g. nuclear plants, ships, offshore oil installations, underwater cables and pipes
AISI 308L Stainless Steel Composition
C (carbon)
0
–
0.03
%
Cr (chromium)
19
–
21
%
Fe (iron)
63.9
–
72
%
Mn (manganese)
0
–
2
%
Ni (nickel)
9
–
12
%
P (phosphorus)
0
–
0.02
%
S (sulfur)
0
–
0.01
%
Si (silicon)
0
–
1
%
AISI 308L Stainless Steel Physical properties
Density
7.8
–
8.01
g/cm3
AISI 308L Stainless Steel Mechanical properties
Young’s modulus
189
–
197
GPa
Specific stiffness
23.8
–
25
MN.m/kg
Yield strength (elastic limit)
187
–
227
MPa
Tensile strength
500
–
600
MPa
Specific strength
23.6
–
28.7
kN.m/kg
Elongation
50
–
70
% strain
Compressive strength
187
–
227
MPa
Flexural modulus
189
–
197
GPa
Flexural strength (modulus of rupture)
187
–
227
MPa
Shear modulus
74
–
78
GPa
Bulk modulus
134
–
146
GPa
Poisson’s ratio
0.265
–
0.275
Shape factor
64
Hardness – Vickers
160
–
200
HV
Hardness – Rockwell B
82
–
92
HRB
Hardness – Rockwell C
0
–
12
HRC
Hardness – Brinell
135
–
193
HB
Elastic stored energy (springs)
109
–
232
kJ/m3
Fatigue strength at 10^7 cycles
263
–
300
MPa
Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles
AISI 308L Stainless Steel Optical, aesthetic and acoustic properties
Transparency
Opaque
Acoustic velocity
4880
–
5000
m/s
Mechanical loss coefficient (tan delta)
0.00113
–
0.00138
AISI 308L Stainless Steel Processing properties
Metal casting
Unsuitable
Metal cold forming
Acceptable
Metal hot forming
Acceptable
Metal press forming
Acceptable
Metal deep drawing
Limited use
Machining speed
24.7 m/min
Weldability Notes: Preheating and post weld heat treatments are not required
Excellent
Weldability – MIG
Excellent
Weldability – plasma
Excellent
Weldability – SAW
Excellent
Weldability – TIG
Excellent
Brazeability
Good
Carbon equivalency
0.783 – 1.03
AISI 308L Stainless Steel Durability
Water (fresh)
Excellent
Water (salt)
Excellent
Weak acids
Excellent
Strong acids
Acceptable
Weak alkalis
Excellent
Strong alkalis
Excellent
Organic solvents
Excellent
Oxidation at 500C
Excellent
UV radiation (sunlight)
Excellent
Galling resistance (adhesive wear) Notes: Aluminum bronze is the most suitable mating material to minimize galling.
Limited use
Flammability
Non-flammable
AISI 308L Stainless Steel Corrosion resistance
Pitting resistance equivalent number (PREN)
19 – 21
Pitting and crevice corrosion
Medium (20-30)
Stress corrosion cracking Note: Rated in chloride; Other susceptible environments: Hydrogen sulfide
Slightly susceptible
Intergranular (weld line) corrosion
Good
Inorganic acids
Moderate
Organic acids
Moderate
Alkalis
Moderate
Humidity / water
Excellent
Sea water
Moderate
Sour oil and gas
Moderate
AISI 308L Stainless Steel Standards with similar compositions-Equivalent Grades
Austria: X2CrNi1911KKW to ONORM M3121
Hungary: KO41LC to MSZ 4360
International: X2CrNi19-11 to ISO 16143-1, X2CrNi19-11 to ISO 16143-2, X2CrNi19-11 to ISO 16143-3, X2CrNi19-11 to ISO 9328-7
Japan: SUS304L to JIS G3459, SUS304L to JIS G4303, SUS304L to JIS G4304, SUS304L to JIS G4305, SUS304L to JIS G4306, SUS304L to JIS G4307, SUS304L to JIS G4308, SUS304L to JIS G4309, SUS304L to JIS G4317, SUS304LFB to JIS G4319, SUS304LTB to JIS G3463, SUS304LTBS to JIS G3447, SUS304LTP to JIS G3459, SUS304LTPY to JIS G3468, SUS304L-WSA to JIS G4315, SUS304L-WSB to JIS G4315, SUSF304L to JIS G3214
Romania: 2NiCr185 to STAS 3583
South Korea: STS 304L to KS D 3706, STS 304L-W1 to KS D 3703, STS 304L-WSA to KS D 3697, STS F 304L to KS D 4115, STS304L to KS D 3692, STS304L to KS D 3698, STS304L to KS D 3705, STS304LFB to KS D 3691, STS304LTPY to KS D 3588
UK: X2CrNi19-11 to BS EN 10088-1, X2CrNi19-11 to BS EN 10088-2, X2CrNi19-11 to BS EN 10088-3, X2CrNi19-11 to BS EN 10216-5, X2CrNi19-11 to BS EN 10250-4, X2CrNi19-11 to BS EN 10272, X2CrNi19-11 to BS EN 10296-2, X2CrNi19-11 to BS EN 10297-2
Tradenames: ARGESTE 4306 LA/LF/SB/VC, COR-A-ROSTA 304L, EUTECTRODE E308L-16, IN-FLUX 308L-G/S, IN-FLUX 308L-O, IN-FLUX 347L-O, JOSLYN STAINLESS TYPE 308L, MCKAY 308/308L-15 DC LIME, MCKAY 308/308L-16 STERLING AP, MCKAY 308/308L-17 STERLING, MCKAY 308L, NOVONIT 4302, NOVONIT 4316, OK AUTROD 16.10, OK TUBROD 15.30, PURO 18/8 L SUPRA, SANDVIK 2R16, SANDVIK 308L-15, SANDVIK 308L-16, SOUDINOX 308L, SOUDINOX 308W, UNILOY 308L, VERTAROSTA 304 L
