AISI 304 Stainless Steel Data Sheet
Stainless steel, austenitic, AISI 304, annealed
AISI 304 Stainless General information
| Designation | |
| AISI 304, wrought | |
| Condition | Solution annealed; cold or hot finished |
| UNS number | S30400 |
| US name | ASTM WP304, ASTM TP304, ASTM S30403, ASTM S30400, ASTM MT304, ASTM F304, AMS 5697, AMS 5567, AMS 5566, AMS 5565, AMS 5564, AMS 5563, ~ASTM S30453 |
| EN name | X5CrNi18-10, LW20 |
| EN number | ~1.4948, ~1.4301 |
| ISO name | X5CrNi18-9E, X5CrNi18-9, ~X5CrNiN19-9, ~X5CrNiN18-8 |
| GB (Chinese) name | ML0Cr18Ni9, 0Cr18Ni9(-R), 0Cr18Ni9(-Q), 0Cr18Ni9(-L), 0Cr18Ni9, ~0Cr19Ni9N(-R), ~0Cr19Ni9N(-Q), ~0Cr19Ni9N(-L), ~0Cr19Ni9N |
| JIS (Japanese) name | SUS304, SUSF304, SUS304-WSB, SUS304-WSA, SUS304TPY, SUS304TPD, SUS304TP, SUS304TKC, SUS304TKA, SUS304TBS, SUS304TB, SUS304FB, SUS304-CSP, SUS304N1-WPB, SUS304N1-WPA, SUS304 TF, SDP4, ~SUS304L, ~SCS13AA-CF |
AISI 304 Stainless Typical uses
| Typical uses |
| Architectural applications, beer barrels, brewing, cafeteria equipment, cookware, cryogenic plant, food and dairy-processing equipment, heat-exchanger tubes and supports, pressure vessels, process plant parts. |
AISI 304 Stainless Composition
| C (carbon) | 0 | – | 0.08 | % |
| Cr (chromium) | 18 | – | 20 | % |
| Fe (iron) | 65.8 | – | 74 | % |
| Mn (manganese) | 0 | – | 2 | % |
| Ni (nickel) | 8 | – | 11 | % |
| P (phosphorus) | 0 | – | 0.045 | % |
| S (sulfur) | 0 | – | 0.03 | % |
| Si (silicon) | 0 | – | 1 | % |
AISI 304 Stainless Physical properties
| Density | 7.85 | – | 8.06 | g/cm3 |
AISI 304 Stainless Mechanical properties
| Young’s modulus | 190 | – | 203 | GPa |
| Specific stiffness | 23.8 | – | 25.6 | MN.m/kg |
| Yield strength (elastic limit) | 205 | – | 310 | MPa |
| Tensile strength | 510 | – | 620 | MPa |
| Specific strength | 25.8 | – | 39 | kN.m/kg |
| Elongation | 45 | – | 60 | % strain |
| Compressive strength | 205 | – | 310 | MPa |
| Flexural modulus | 190 | – | 203 | GPa |
| Flexural strength (modulus of rupture) | 205 | – | 310 | MPa |
| Shear modulus | 74 | – | 81 | GPa |
| Bulk modulus | 134 | – | 151 | GPa |
| Poisson’s ratio | 0.265 | – | 0.275 | |
| Shape factor | 62 | |||
| Hardness – Vickers | 170 | – | 210 | HV |
| Hardness – Rockwell B | 75 | – | 85 | HRB |
| Hardness – Rockwell C | 0 | – | 13 | HRC |
| Hardness – Brinell | 149 | – | 201 | HB |
| Elastic stored energy (springs) | 182 | – | 211 | kJ/m3 |
| Fatigue strength at 10^7 cycles | 229 | – | 253 | MPa |
| Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles | 197 | – | 294 | MPa |
AISI 304 Stainless Impact & fracture properties
| Fracture toughness | 55 | – | 71 | MPa.m0.5 |
| Toughness (G) | 15.6 | – | 25.3 | kJ/m2 |
AISI 304 Stainless Thermal properties
| Melting point | 1400 | – | 1450 | °C |
| Maximum service temperature | 750 | – | 925 | °C |
| Minimum service temperature | -200 | °C | ||
| Thermal conductivity | 14 | – | 17 | W/m.°C |
| Specific heat capacity | 490 | – | 530 | J/kg.°C |
| Thermal expansion coefficient | 16 | – | 18 | µstrain/°C |
| Thermal shock resistance | 61 | – | 93.8 | °C |
| Thermal distortion resistance | 0.813 | – | 1.02 | MW/m |
| Latent heat of fusion | 260 | – | 285 | kJ/kg |
AISI 304 Stainless Electrical properties
| Electrical resistivity | 65 | – | 77 | µohm.cm |
| Electrical conductivity | 2.24 | – | 2.65 | %IACS |
| Galvanic potential | -0.15 | – | -0.07 | V |
AISI 304 Stainless Magnetic properties
| Magnetic type | Non-magnetic |
AISI 304 Stainless Optical, aesthetic and acoustic properties
| Transparency | Opaque | |||
| Acoustic velocity | 4880 | – | 5060 | m/s |
| Mechanical loss coefficient (tan delta) | 9.5e-4 | – | 0.0013 | |
AISI 304 Stainless Processing properties
| Metal casting | Unsuitable |
| Metal cold forming | Excellent |
| Metal hot forming | Acceptable |
| Metal press forming | Excellent |
| Metal deep drawing | Excellent |
| Machining speed | 25 m/min |
| Weldability Notes: Preheating and post weld heat treatments may be required | Excellent |
| Weldability – MIG | Excellent |
| Weldability – plasma | Excellent |
| Weldability – SAW | Excellent |
| Weldability – TIG | Excellent |
| Brazeability | Fair |
| Carbon equivalency | 0.733 – 1.03 |
AISI 304 Stainless 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 304 Stainless Corrosion resistance
| Pitting resistance equivalent number (PREN) | 18 – 29 |
| Pitting and crevice corrosion | Low (<20) |
| Stress corrosion cracking Note: Rated in chloride; Other susceptible environments: Hydrogen sulfide | Susceptible |
| Intergranular (weld line) corrosion | Restricted |
| Inorganic acids | Moderate |
| Organic acids | Moderate |
| Alkalis | Moderate |
| Humidity / water | Excellent |
| Sea water | Moderate |
| Sour oil and gas | Moderate |
AISI 304 Stainless Standards with similar compositions-Equivalent Grades
| Australia: 304 to AS 1449, 304 to AS 2837 |
| Canada: 304 to CSA G110.3, 304 to CSA G110.6, 304 to CSA G110.9 |
| China: 0Cr19Ni9 to GB/T 4356 |
| Czech Republic: 17241 to CSN 417241 |
| France: Z5CN18.09 to AFNOR NF A36-209, Z5CN18.09 to AFNOR NF A36-607 |
| Germany: 1.4308 to DIN EN 10213, GX5CrNi19-10 to DIN EN 10213 |
| India: 04Cr18Ni10 to IS 6529, 04Cr18Ni10 to IS 6603, 04Cr18Ni10 to IS 6911, 04Cr19Ni9 to IS 11714/4, 04Cr19Ni9 to IS 11714/5, X04Cr18Ni10 to IS 6527, X04Cr18Ni10 to IS 6528, X04Cr18Ni10 to IS 8748, X04Cr19Ni9 to IS 1570/5, X04Cr19Ni9 to IS 4454/4, X04Cr19Ni9 to IS 5522, X04Cr19Ni9 to IS 6911 |
| International: X5CrNi18-9 to ISO 16143-1, X5CrNi18-9 to ISO 16143-2, X5CrNi18-9 to ISO 16143-3, X5CrNi18-9 to ISO 6931-2, X5CrNi18-9 to ISO 9328-7 |
| Japan: SDP4 to JIS G3352, SUS 304 TF to JIS G3467, SUS304 to JIS G4303, SUS304 to JIS G4304, SUS304 to JIS G4305, SUS304 to JIS G4306, SUS304 to JIS G4307, SUS304 to JIS G4308, SUS304 to JIS G4309, SUS304 to JIS G4317, SUS304A to JIS G4321, SUS304-CSP to JIS G4313, SUS304FB to JIS G4319, SUS304TB to JIS G3463, SUS304TBS to JIS G3447, SUS304TKA to JIS G3446, SUS304TKC to JIS G3446, SUS304TP to JIS G3459, SUS304TPD to JIS G3448, SUS304TPY to JIS G3468, SUS304-WSA to JIS G4315, SUS304-WSB to JIS G4315, SUSF304 to JIS G3214 |
| Mexico: 304 to NMX-B-83, MT304 to NMX-B-171, TP304 to NMX-B-176, TP304 to NMX-B-186-SCFI, TP304 to NMX-B-196, TP304 to NMX-B-218 |
| Pan America: TP 304 to COPANT R195, TP304 to COPANT 513, TP304L to COPANT 513 |
| South Korea: STS 304 TKA to KS D 3536, STS 304 TKC to KS D 3536, STS 304 to KS D 3535, STS 304 to KS D 3706, STS 304-CSP to KS D 3534, STS 304-W1 to KS D 3703, STS 304-WSA to KS D 3697, STS F 304 to KS D 4115, STS304 to KS D 3692, STS304 to KS D 3698, STS304 to KS D 3702, STS304 to KS D 3705, STS304FB to KS D 3691, STS304TPY to KS D 3588 |
| Spain: F.3504 to UNE 36016, X6CrNi19-10 to UNE 36016 |
| UK: 304C15 to BS 3100, 304C15LT196 to BS 3100, 304S15 to BS 1449/2, 304S15 to BS 6258, 304S15 to BS 970/1, X5CrNi18-10 to BS EN 10088-1, X5CrNi18-10 to BS EN 10088-2, X5CrNi18-10 to BS EN 10088-3 |
| USA: 304 to ASTM A368-95a, 304 to ASTM A473, 304 to ASTM A478-97, 304 to ASTM A793-96, 304 to ASTM A908, 304 to MIL-S-27419, 304 to MIL-T-8504B, 304 to MIL-T-8506A, 304 to SAE J467, 5501 to AMS 5501, 5513 to AMS 5513, 5563 to AMS 5563, 5564 to AMS 5564, 5565 to AMS 5565, 5566 to AMS 5566, 5567 to AMS 5567, 5639 to AMS 5639, 5697 to AMS 5697, 7228 to AMS 7228, 7245 to AMS 7245, 8A to ASTM A194/A194M, B8 Class 1 to ASTM A320/A320M, B8 Class 1/1D to ASTM A193/A193M, B8 Class 2 to ASTM A193/A193M, B8 Class 2 to ASTM A320/A320M, B8 Class 2B to ASTM A193/A193M, B8A Class 1A to ASTM A193/A193M, B8A Class 1A to ASTM A320/A320M, B8N Class 2 to ASTM A193/A193M, CR304 to ASTM A403/A403M, F304 to ASTM A182/A182M, F304 to ASTM A336/A336M, F304 to ASTM A965/A965M, Grade 8 to ASTM A194/A194M, MT304 to ASTM A511, MT-304 to ASTM A554, S30400 to ASTM A240/A240M, S30400 to ASTM A276, S30400 to ASTM A313/A313M, S30400 to ASTM A314-97, S30400 to ASTM A479/A479M, S30400 to ASTM A492-95, S30400 to ASTM A580/A580M-98, S30400 to ASTM A666, S30400 to ASTM A955/A955M, S30400 to ASTM A959, S30400 to ASTM A988/A988M-98, S30400 to SAE J405, TP304 to ASTM A213/A213M, TP304 to ASTM A249/A249M, TP304 to ASTM A269, TP304 to ASTM A270, TP304 to ASTM A312/A312M, TP304 to ASTM A376/A376M, TP304 to ASTM A409/A409M, TP304 to ASTM A632, TP304 to ASTM A688/A688M, TP304 to ASTM A814/A814M, TP304 to ASTM A851, TP304 to ASTM A943/A943M, UNS S30400, UNS S30481, WP304 to ASTM A403/A403M |
| Tradenames: AL TECH TYPE 304EZ, ARISTOLOY 304, EASTERN STAINLESS TYPE 304, EKATIT 18-8 S, EMPIRE TYPE 304EZ, IN-FLUX 308L-T1, NOVONIT 4302 B, NOVONIT 4302 R, OLSA-304, PRODEC STAINLESS TYPE 304, PRODEC STAINLESS TYPE 316L, PROJECT 70 STAINLESS TYPE 304, PROJECT 7000 STAINLESS TYPE 304, SLATER AISI TYPE 304, SLATER TYPE 304 MAX MACHINABILITY, SPARTAN REDHEUGH 304S15, UNILOY 304, Z 178, STAINLESS STEEL GRADE 304, Aalco (UK); 304 STAINLESS STEEL, AK Steel (USA); STAINLESS STEEL 304, Vegas Fastener (USA); 304 STAINLESS STEEL, Electronic Alloys (UK); 304L STAINLESS STEEL, Electronic Alloys (UK); STAINLESS STEEL GRADE 304L, Aalco (UK); 304L STAINLESS STEEL, AK Steel (USA) |
MODULUS METAL
Sand Casting in Turkey, Permanent Mold Casting in Turkey, Gravity Die Casting in Turkey, Pressure Die Casting in Turkey, High-Pressure Die Casting in Turkey, Investment Casting in Turkey, Foundry in Turkey, Plastic Injection Molding in Turkey, Press Bending ( Press Brake) Products in Turkey, Laser and Plasma Cutting in Turkey, Welded Construction in Turkey, Heat Treated, CNC Machined Products Manufacturer in Turkey, Additive Manufacturing and 3D Printing in Turkey, Quality Enginering and Inspection Service in Turkey, Manufacturing Inspection Service in Turkey, Quality Engineering and Supplier Quality Engineering Service in Turkey, Supplier Quality Control and Inspection Service in Turkey, Resident Engineering Services in Turkey