AISI 302 Stainless Steel Material Data Sheet
Stainless steel, austenitic, AISI 302, annealed
AISI 302 Stainless Steel General information
| Designation | |
| AISI 302, wrought | |
| Condition | Solution annealed; cold or hot finished |
| UNS number | S30200 |
| US name | SAE SCW-62, SCW-54, SCW-47, SCW-41, SCW-35, SCW-32, SCW-28, SCW-23, SCW-20, SCW-17, SCW-14, SCW-12, ASTM S30200, ASTM MT302, ASTM 30200, AMS 5688, AMS 5636, AMS 5600, AMS 2431/4, ~ASTM S30323, ~ASTM S30300, , ~ASTM S30215, ~ASME 302, ~AMS 5641 |
| EN name | X12CrNi18-8, ~X9CrNi18-9 |
| EN number | ~1.4325 |
| ISO name | X10CrNi18-9E, ~X12CrNiSi18-9-3, ~X10CrNiS18-9 |
| GB (Chinese) name | 1Cr18Ni9(-R), 1Cr18Ni9(-Q), 1Cr18Ni9(-L), 1Cr18Ni9, ~Y1Cr18Ni9Se(-R), ~Y1Cr18Ni9Se(-Q), ~Y1Cr18Ni9Se |
| JIS (Japanese) name | SUS302FB, SUS302, SUS 302- WPB, SUS 302-WPA |
AISI 302 Stainless Steel Typical uses
| Typical uses |
| Exhaust parts, internal building fasteners, sinks, trim, washing-machine tubs, water tubing. |
AISI 302 Stainless Steel Composition
| C (carbon) | 0 | – | 0.15 | % |
| Cr (chromium) | 17 | – | 19 | % |
| Fe (iron) | 67.7 | – | 75 | % |
| Mn (manganese) | 0 | – | 2 | % |
| N (nitrogen) | 0 | – | 0.1 | % |
| Ni (nickel) | 8 | – | 10 | % |
| P (phosphorus) | 0 | – | 0.045 | % |
| S (sulfur) | 0 | – | 0.03 | % |
| Si (silicon) | 0 | – | 1 | % |
AISI 302 Stainless Steel Physical properties
| Density | 7.81 | – | 8.01 | g/cm3 |
AISI 302 Stainless Steel Mechanical properties
| Young’s modulus | 189 | – | 197 | GPa |
| Specific stiffness | 23.8 | – | 25 | MN.m/kg |
| Yield strength (elastic limit) | 205 | – | 310 | MPa |
| Tensile strength | 510 | – | 620 | MPa |
| Specific strength | 25.9 | – | 39.2 | kN.m/kg |
| Elongation | 40 | – | 60 | % strain |
| Compressive strength | 205 | – | 310 | MPa |
| Flexural modulus | 189 | – | 197 | GPa |
| Flexural strength (modulus of rupture) | 205 | – | 310 | MPa |
| Shear modulus | 74 | – | 78 | GPa |
| Bulk modulus | 134 | – | 146 | GPa |
| Poisson’s ratio | 0.265 | – | 0.275 | |
| Shape factor | 62 | |||
| Hardness – Vickers | 170 | – | 210 | HV |
| Hardness – Rockwell B | 80 | – | 92 | HRB |
| Hardness – Rockwell C | 0 | – | 13 | HRC |
| Hardness – Brinell | 150 | – | 201 | HB |
| Elastic stored energy (springs) | 709 | – | 1.45e3 | kJ/m3 |
| Fatigue strength at 10^7 cycles | 210 | – | 260 | MPa |
| Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles | 186 | – | 293 | MPa |
AISI 302 Stainless Steel Impact & fracture properties
| Fracture toughness | 60 | – | 72 | MPa.m0.5 |
| Toughness (G) | 18.8 | – | 26.7 | kJ/m2 |
AISI 302 Stainless Steel Thermal properties
| Melting point | 1400 | – | 1420 | °C |
| Maximum service temperature | 750 | – | 925 | °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 | – | 20 | µstrain/°C |
| Thermal shock resistance | 58 | – | 92 | °C |
| Thermal distortion resistance | 0.787 | – | 1.01 | MW/m |
| Latent heat of fusion | 260 | – | 285 | kJ/kg |
AISI 302 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 302 Stainless Steel Magnetic properties
| Magnetic type | Non-magnetic |
AISI 302 Stainless Steel Optical, aesthetic and acoustic properties
| Transparency | Opaque | ||||
| Acoustic velocity | 4880 | – | 5000 | m/s | |
| Mechanical loss coefficient (tan delta) | 9.5e-4 | – | 0.0013 | ||
AISI 302 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 | 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 | Fair |
| Carbon equivalency | 0.7 – 1.05 |
AISI 302 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 302 Stainless Steel Corrosion Resistance
| Pitting resistance equivalent number (PREN) | 17 – 20.6 |
| 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 | Restricted |
AISI 302 Stainless Steel Standards with similar compositions-Equivalent Grades
| Australia: 302 to AS 1449, 302 to AS 2837 |
| Canada: 302 to CSA G110.3, 302 to CSA G110.6, 302 to CSA G110.9 |
| China: 1Cr18Ni9 to GB 1220, 1Cr18Ni9 to GB 4237, 1Cr18Ni9 to GB/T 12770, 1Cr18Ni9 to GB/T 12771, 1Cr18Ni9 to GB/T 14975, 1Cr18Ni9 to GB/T 14976, 1Cr18Ni9 to GB/T 18704, 1Cr18Ni9 to GB/T 18705, 1Cr18Ni9 to GB/T 3280, 1Cr18Ni9 to GB/T 4239, 1Cr18Ni9 to GB/T 4356, 1Cr18Ni9 to GB/T 6725, 1Cr18Ni9(-L) to GB/T 4240, 1Cr18Ni9(-Q) to GB/T 4240, 1Cr18Ni9(-R) to GB/T 4240, 1Cr18Ni9Ti to GB/T 4239, Y1Cr18Ni9Se to GB 1220, Y1Cr18Ni9Se(-Q) to GB/T 4240, Y1Cr18Ni9Se(-R) to GB/T 4240 |
| France: Z10CN18.09 to AFNOR NF A35-209, Z10CN18.09 to AFNOR NF A35-572, Z10CN18.09 to AFNOR NF A35-573, Z10CN18.09 to AFNOR NF A35-575 |
| Germany: X12CrNi188 to DIN |
| Hungary: AHC195 to MSZ 4400 |
| India: X07Cr18Ni9 to IS 1570/5, X07Cr18Ni9 to IS 4454/4, X07Cr18Ni9 to IS 5522, X07Cr18Ni9 to IS 6527, X07Cr18Ni9 to IS 6528, X07Cr18Ni9 to IS 6911 |
| International: 12 to ISO 683-13, X10CrNi18-9E to ISO 4954, X10CrNiS18-9 to ISO 16143-2, X7CrNi18-9 to ISO 16143-3, X7CrNi18-9 to ISO 4955, X7CrNi18-9 to ISO 9327-5, X7CrNi18-9 to ISO 9329-4 |
| Italy: X10CrNi1809 to UNI 6901, X10CrNi1809 to UNI 8317 |
| Japan: SUS 302 to JIS G4317, SUS302 to JIS G4303, SUS302 to JIS G4304, SUS302 to JIS G4305, SUS302 to JIS G4306, SUS302 to JIS G4307, SUS302 to JIS G4308, SUS302FB to JIS G4319 |
| Mexico: 302 to NMX-B-83 |
| Poland: 1H18N9 to PN-H-86020 |
| Russia: 12KH18N9 to GOST 5632, 12KH18N9T to GOST 5632, 14 to COMECON PC4-70 |
| South Korea: STS 302 to KS D 3535, STS 302 to KS D 3706, STS302 to KS D 3692, STS302 to KS D 3698, STS302 to KS D 3702, STS302 to KS D 3705, STS302FB to KS D 3691, STS303 to KS D 3692 |
| Spain: E-302 to UNE 36016/1, F.3311 to UNE 36017, F.3507 to UNE 36016/1, X9CrNi18-09 to UNE 36017 |
| UK: 302S26 to BS 2056, 302S31 to BS 1554, 302S31 to BS 6258, 302S31 to BS 970/1, 304S50 to BS 1503, 304S51 to BS 1506, 304S51 to BS 3605/1, X9CrNi18-9 to BS EN 10088-1 |
| USA: 302 to ASTM A368-95a, 302 to ASTM A473, 302 to ASTM A478-97, 302 to FED QQ-S-763F, 302 to FED QQ-S-766D, 302 to FED QQ-W-423B, 302 to MIL-S-5059D, 302 to MIL-S-7720A, 302 to MIL-S-862B, 302 to SAE J467, 5515 to AMS 5515, 5516 to AMS 5516, 5600 to AMS 5600, 5636 to AMS 5636, 5637 to AMS 5637, 5688 to AMS 5688, 5693 to AMS 5693, 7210 to AMS 7210, 7241 to AMS 7241, MT-302 to ASTM A554, S30200 to ASTM A240/A240M, S30200 to ASTM A276, S30200 to ASTM A313/A313M, S30200 to ASTM A314-97, S30200 to ASTM A479/A479M, S30200 to ASTM A492-95, S30200 to ASTM A580/A580M-98, S30200 to ASTM A666, S30200 to ASTM A959, S30200 to SAE J405, S30300 to ASTM A959, SCW-12 to SAE J441, SCW-14 to SAE J441, SCW-17 to SAE J441, SCW-20 to SAE J441, SCW-23 to SAE J441, SCW-28 to SAE J441, SCW-32 to SAE J441, SCW-35 to SAE J441, SCW-41 to SAE J441, SCW-47 to SAE J441, SCW-54 to SAE J441, SCW-62 to SAE J441, UNS S30200 |
| Tradenames: A-3507, EKATIT 18-8 A, EKATIT 18-8 N, IMPHY 302, NIROSTA 4300, U.S.S. 18-85, UNILOY 302, WIRONIT 812 L, Z 178 H, 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) |
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