AISI 305 Stainless Steel Data Sheet
Stainless steel, austenitic, AISI 305, annealed
AISI 305 Stainless Steel General information
| Designation | |
| AISI 305, wrought | |
| Condition | Solution annealed |
| UNS number | S30500 |
| US name | ASTM TP305, ASTM S30500, ASTM MT305, ASTM 305, AMS 5685, AMS 5514 |
| EN name | X4CrNi18-12 |
| EN number | ~1.4306, ~1.4303 |
| ISO name | X6CrNi18-12, X5CrNi18-12E |
| GB (Chinese) name | ML1Cr18Ni12, ML0Cr18Ni12, 1Cr18Ni12 |
| JIS (Japanese) name | SUS305-WSB, SUS305-WSA, SUS305J1-WSB, SUS305J1-WSA, SUS305J1, SUS305 |
AISI 305 Stainless Steel Typical uses
| Typical uses |
| Eyelets, spun parts. |
AISI 305 Stainless Steel Composition
| C (carbon) | 0 | – | 0.12 | % |
| Cr (chromium) | 17 | – | 19 | % |
| Fe (iron) | 64.8 | – | 72.5 | % |
| Mn (manganese) | 0 | – | 2 | % |
| Ni (nickel) | 10.5 | – | 13 | % |
| P (phosphorus) | 0 | – | 0.045 | % |
| S (sulfur) | 0 | – | 0.03 | % |
| Si (silicon) | 0 | – | 1 | % |
AISI 305 Stainless Steel Physical properties
| Density | 7.81 | – | 8.01 | g/cm3 |
AISI 305 Stainless Steel Mechanical properties
| Young’s modulus | 189 | – | 197 | GPa |
| Specific stiffness | 23.8 | – | 25 | MN.m/kg |
| Yield strength (elastic limit) | 220 | – | 262 | MPa |
| Tensile strength | 515 | – | 620 | MPa |
| Specific strength | 27.8 | – | 33.2 | kN.m/kg |
| Elongation | 28 | – | 50 | % strain |
| Compressive strength | 170 | – | 310 | MPa |
| Flexural modulus | 189 | – | 197 | GPa |
| Flexural strength (modulus of rupture) | 170 | – | 310 | MPa |
| Shear modulus | 74 | – | 78 | GPa |
| Bulk modulus | 134 | – | 146 | GPa |
| Poisson’s ratio | 0.265 | – | 0.275 | |
| Shape factor | 63 | |||
| Hardness – Vickers | 180 | – | 200 | HV |
| Hardness – Rockwell B | 79 | – | 89 | HRB |
| Hardness – Rockwell C | 0 | – | 11 | HRC |
| Hardness – Brinell | 156 | – | 183 | HB |
| Elastic stored energy (springs) | 91.3 | – | 133 | kJ/m3 |
| Fatigue strength at 10^7 cycles | 268 | – | 307 | MPa |
| Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles | 232 | – | 355 | MPa |
AISI 305 Stainless Steel Impact & fracture properties
| Fracture toughness | 62 | – | 76 | MPa.m0.5 |
| Toughness (G) | 20.1 | – | 29.7 | kJ/m2 |
AISI 305 Stainless Steel Thermal properties
| Melting point | 1400 | – | 1450 | °C |
| Maximum service temperature | 750 | – | 800 | °C |
| Minimum service temperature | -200 | °C | ||
| Thermal conductivity | 15 | – | 17 | W/m.°C |
| Specific heat capacity | 490 | – | 530 | J/kg.°C |
| Thermal expansion coefficient | 16 | – | 18 | µstrain/°C |
| Thermal shock resistance | 66 | – | 81.5 | °C |
| Thermal distortion resistance | 0.864 | – | 1.02 | MW/m |
| Latent heat of fusion | 260 | – | 285 | kJ/kg |
AISI 305 Stainless Steel Electrical properties
| Electrical resistivity | 65 | – | 77 | µohm.cm |
| Electrical conductivity | 2.24 | – | 2.65 | %IACS |
| Galvanic potential | -0.17 | – | -0.09 | V |
AISI 305 Stainless Steel Magnetic properties
| Magnetic type | Non-magnetic |
AISI 305 Stainless Steel Optical, aesthetic and acoustic properties
| Transparency | Opaque | |||
| Acoustic velocity | 4880 | – | 5000 | m/s |
| Mechanical loss coefficient (tan delta) | 9.5e-4 | – | 0.00142 | |
AISI 305 Stainless Steel Processing properties
| Metal casting | Unsuitable |
| Metal cold forming | Excellent |
| Metal hot forming | Acceptable |
| Metal press forming | Excellent |
| Metal deep drawing | Excellent |
| Machining speed | 24.1 m/min |
| Weldability Notes: Preheating and post weld heat treatments are not required | Good |
| Weldability – MIG | Fair |
| Weldability – plasma | Fair |
| Weldability – SAW | Not recommended |
| Weldability – TIG | Fair |
| Brazeability | Good |
| Carbon equivalency | 0.742 – 1.07 |
AISI 305 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 305 Stainless Steel Corrosion resistance of metals
| Pitting resistance equivalent number (PREN) | 17 – 19 |
| Pitting and crevice corrosion | Low (<20) |
| Stress corrosion cracking Note: Rated in chloride; Other susceptible environments: Hydrogen sulfide | Slightly 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 305 Stainless Steel Standards with similar compositions-Equivalent Grades
| Canada: 305 to CSA G110.3, 305 to CSA G110.6, 305 to CSA G110.9, 347 to CSA G110.3 |
| China: 0Cr18Ni12 to GB/T 4356, 1Cr18Ni12 to GB 1220, 1Cr18Ni12 to GB 4237, 1Cr18Ni12 to GB/T 3280, 1Cr18Ni12 to GB/T 4239, 1Cr18Ni12 to GB/T 4356, 1Cr18Ni12 to GB/T 6725, 1Cr18Ni12(-Q) to GB/T 4240, 1Cr18Ni12(-R) to GB/T 4240, ML0Cr18Ni12 to GB/T 4232, ML1Cr18Ni12 to GB/T 4232 |
| France: Z8CN18.12 to AFNOR NF A35-575, Z8CN18.12 to AFNOR NF A35-577, Z8CN18.12 to AFNOR NF A36-209 |
| Germany: 1.4303 to DIN EN 10088 |
| India: TP305 to IS 11714/5 |
| International: 13 to ISO 683-13, F50 to ISO 2604-1, X5CrNi18-12E to ISO 4954, X6CrNi18-12 to ISO 16143-2, X6CrNi18-12 to ISO 16143-3 |
| Italy: X8CrNi1812 to UNI 6901, X8CrNi1812 to UNI 6904 |
| Japan: SUS305 to JIS G4303, SUS305 to JIS G4304, SUS305 to JIS G4305, SUS305 to JIS G4306, SUS305 to JIS G4307, SUS305 to JIS G4308, SUS305 to JIS G4309, SUS305J1 to JIS G4308, SUS305J1 to JIS G4309, SUS305J1-WSA to JIS G4315, SUS305J1-WSB to JIS G4315, SUS305-WSA to JIS G4315, SUS305-WSB to JIS G4315, SUS321 to JIS G4303, SUS321 to JIS G4304, SUS321 to JIS G4305, SUS321 to JIS G4308, SUS321 to JIS G4309, SUS321 to JIS G4317, SUS321FB to JIS G4319, SUS321TP to JIS G3459, SUS321TPY to JIS G3468, SUS347 to JIS G4304, SUS347 to JIS G4305, SUS347 to JIS G4308, SUS347 to JIS G4317, SUS347FB to JIS G4319, SUS347TP to JIS G3459, SUS347TPY to JIS G3468 |
| Mexico: SUS305 to NMX-B-83 |
| Russia: 08KH18N12B to GOST 5632, 08KH18N12T to GOST 5632, 12KH18N12T to GOST 5632 |
| South Korea: STS 305 to KS D 3706, STS 305J1-W1 to KS D 3703, STS 305J1-WSA to KS D 3697, STS 305-W1 to KS D 3703, STS 305-WSA to KS D 3697, STS 321 to KS D 3706, STS 321-W1 to KS D 3703, STS 347 to KS D 3706, STS 347-W1 to KS D 3703, STS305 to KS D 3692, STS305 to KS D 3698, STS305 to KS D 3702, STS305 to KS D 3705, STS305J1 to KS D 3692, STS305J1 to KS D 3702, STS321 to KS D 3692, STS321 to KS D 3698, STS321 to KS D 3702, STS321 to KS D 3705, STS321FB to KS D 3691, STS321TPY to KS D 3588, STS347 to KS D 3692, STS347 to KS D 3698, STS347 to KS D 3702, STS347 to KS D 3705, STS347FB to KS D 3691, STS347TPY to KS D 3588 |
| Spain: E-305 to UNE 36016/1, F.3513 to UNE 36016, F.3513 to UNE 36016/1, F.3513 to UNE 36087/4, X8CrNi18 12 to UNE 36087/4, X8CrNi18-12 to UNE 36016 |
| UK: 305S19 to BS 1449/2 |
| USA: 305 to ASTM A368-95a, 305 to ASTM A473, 305 to ASTM A478-97, 305 to FED QQ-S-763F, 305 to FED QQ-S-766D, 347 to ASTM A473, 347 to ASTM A493-95, 347 to FED QQ-S-763F, 347 to FED QQ-S-766D, 347 to MIL-S-862B, 5512 to AMS 5512, 5514 to AMS 5514, 5571 to AMS 5571, 5575 to AMS 5575, 5654 to AMS 5654, 5674 to AMS 5674, 5685 to AMS 5685, 5686 to AMS 5686, 7229 to AMS 7229, 7490 to AMS 7490, 8P to ASTM A194/A194M, 8PA to ASTM A194/A194M, B8P Class 1 to ASTM A320/A320M, B8P Class 1/1D to ASTM A193/A193M, B8P Class 2 to ASTM A193/A193M, B8P Class 2 to ASTM A320/A320M, B8PA Class 1A to ASTM A193/A193M, B8PA Class 1A to ASTM A320/A320M, MT305 to ASTM A511, MT-305 to ASTM A554, S30500 to ASTM A240/A240M, S30500 to ASTM A276, S30500 to ASTM A313/A313M, S30500 to ASTM A314-97, S30500 to ASTM A492-95, S30500 to ASTM A580/A580M-98, S30500 to ASTM A959, S30500 to SAE J405, S34700 to ASTM A313/A313M, S34700 to ASTM A314-97, S34700 to ASTM A580/A580M-98, S34700 to ASTM F2281, S34700 to ASTM F593, S34700 to ASTM F594, S34700 to ASTM F738M, S34700 to ASTM F836M, S34800 to ASTM A314-97, S34800 to ASTM A580/A580M-98, TP305 to ASTM A249/A249M, TP321 to ASTM A814/A814M, TP347 to ASTM A312/A312M, TP347 to ASTM A814/A814M, UNS S30500 |
| Tradenames: ALLEGHENY METAL 18-8FS, ARGESTE 3956 AN, EASTERN STAINLESS TYPE 347, FONIX-18-8-2, IMPHY 305, JOSLYN STAINLESS TYPE 305, NICROMINA-2, PROJECT 70 STAINLESS TYPE 347, PURO 19/11, SPARTAN REDHEUGH 305S19, UNILOY 305 |
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