AISI 301 Stainless Steel Material Data Sheet

Stainless steel, austenitic, AISI 301, annealed

AISI 301 Stainless Steel General information

Designation
AISI 301, wrought
Condition Solution annealed
UNS number	S30100
US name	ASTM S30100, ASTM MT-301, ASME 301, ~AMS 5519, ~AMS 5518, ~AMS 5517
EN name	~X5CrNi17-7, ~X2CrNiN18-7, ~X10CrNi18-8
EN number	~1.4319, ~1.4318, ~1.4310
ISO name	~X2CrNiN18-7, ~X10CrNi18-8
GB (Chinese) name	1Cr17Ni7, ~1Cr17Ni8
JIS (Japanese) name	SUS301-CSP, SUS301, ~SUS301J1

AISI 301 Stainless Steel Typical uses

Typical uses

Airframe sections, car wheel covers, seatbelt buckles, springs, structural sections, trailer and railway trailer components.

AISI 301 Stainless Steel Composition

C (carbon)	0	–	0.15	%
Cr (chromium)	16	–	18	%
Fe (iron)	70.8	–	78	%
Mn (manganese)	0	–	2	%
Ni (nickel)	6	–	8	%
P (phosphorus)	0	–	0.045	%
S (sulfur)	0	–	0.03	%
Si (silicon)	0	–	1	%

AISI 301 Stainless Steel Physical properties

Density

7.88

–

7.96

g/cm³

AISI 301 Stainless Steel Mechanical properties

Young’s modulus	200	–	210	GPa
Specific stiffness	25.3	–	26.6	MN.m/kg
Yield strength (elastic limit)	200	–	240	MPa
Tensile strength	503	–	556	MPa
Specific strength	25.3	–	30.3	kN.m/kg
Elongation	30	–	40	% strain
Compressive strength	159	–	200	MPa
Flexural modulus	200	–	210	GPa
Flexural strength (modulus of rupture)	179	–	207	MPa
Shear modulus	77	–	80.9	GPa
Bulk modulus	145	–	152	GPa
Poisson’s ratio	0.27	–	0.281
Shape factor	65
Hardness – Vickers	215	–	240	HV
Hardness – Rockwell B	85	–	100	HRB
Hardness – Rockwell C	15	–	21	HRC
Hardness – Brinell	165	–	241	HB
Elastic stored energy (springs)	98.1	–	140	kJ/m³
Fatigue strength at 10^7 cycles	229	–	253	MPa
Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles	214	–	271	MPa

AISI 301 Stainless Steel Impact & fracture properties

Fracture toughness	55	–	69	MPa.m^0.5
Toughness (G)	14.9	–	23	kJ/m²

AISI 301 Stainless Steel Thermal properties

Melting point	1400	–	1420	°C
Maximum service temperature	357	–	399	°C
Minimum service temperature	-150			°C
Thermal conductivity	15.6	–	16.9	W/m.°C
Specific heat capacity	481	–	501	J/kg.°C
Thermal expansion coefficient	16.2	–	17	µstrain/°C
Thermal shock resistance	58.4	–	70.9	°C
Thermal distortion resistance	0.933	–	1.02	MW/m
Latent heat of fusion	260	–	285	kJ/kg

AISI 301 Stainless Steel Electrical properties

Electrical resistivity	65	–	77	µohm.cm
Electrical conductivity	2.24	–	2.65	%IACS
Galvanic potential	-0.19	–	-0.11	V

AISI 301 Stainless Steel Magnetic properties

Magnetic type

Non-magnetic

AISI 301 Stainless Steel Optical, aesthetic and acoustic properties

Transparency	Opaque
Acoustic velocity	5020	–	5160	m/s
Mechanical loss coefficient (tan delta)	6.7e-4	–	0.0013

AISI 301 Stainless Steel Processing properties

Metal casting	Unsuitable
Metal cold forming	Acceptable
Metal hot forming	Limited use
Metal press forming	Acceptable
Metal deep drawing	Limited use
Machining speed	23.5 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	0.633 – 0.983

AISI 301 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 301 Stainless Steel Corrosion resistance of metals

Pitting resistance equivalent number (PREN)	16-18
Pitting and crevice corrosion	Low (<20)
Stress corrosion cracking Note: Rated in chloride; Other susceptible environments: Hydrogen sulfide	Not 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 301 Stainless Steel Standards with similar compositions-Equivalent Grades

Australia: 301 to AS 1449

Canada: 301 to CSA G110.6

China: 1Cr17Ni7 to GB 1220, 1Cr17Ni7 to GB/T 4231, 1Cr17Ni7 to GB/T 4239, 1Cr17Ni7 to GB/T 6725

India: 10Cr17Ni7 to IS 6527, 10Cr17Ni7 to IS 6528, 10Cr17Ni7 to IS 6529, 10Cr17Ni7 to IS 6603, 10Cr17Ni7 to IS 6911, X10Cr17Ni7 to IS 6911, X10Cr17Ni7 to IS 8748

International: 14 to ISO 683-13

Italy: X12CrNi1707 to UNI 6901, X12CrNi1707 to UNI 8317

Japan: SUS301 to JIS G4303, SUS301 to JIS G4304, SUS301 to JIS G4305, SUS301 to JIS G4306, SUS301 to JIS G4307, SUS301-CSP to JIS G4313

Russia: O to GOST 30208

South Korea: STS 301 to KS D 3706, STS 301-CSP to KS D 3534, STS301 to KS D 3698, STS301 to KS D 3705

Spain: E-301 to UNE 36016/1, F.3517 to UNE 36016, F.3517 to UNE 36016/1, X12CrNi17-07 to UNE 36016

USA: 301 to FED QQ-S-766D, 301 to MIL-S-5059D, 5517 to AMS 5517, 5518 to AMS 5518, 5519 to AMS 5519, MT-301 to ASTM A554, S30100 to ASTM A240/A240M, S30100 to ASTM A666, S30100 to ASTM A959, S30100 to SAE J405, UNS S30100

Tradenames: 09KH17N7JU1, ALLEGHENY LUDLUM TYPE 301, AU177, ENDURO 301, IMPHY 301, NIROSTA 4319, OLSA-301, PURO 17/7, RDN 105, SPARTAN REDHEUGH 301S21, UNILOY 301