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Austenitic SUS304

Properties:

  • Corrosion resistance
  • Heat resistance
  • Magnetism

This is the most commonly used material, offering excellent corrosion resistance and workability.
SUS304 is highly versatile and supports a wide range of applications.
Note: Possibility of corrosion in environments containing salt or chlorine.

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Main Applications

SUS304 supports people’s lives behind the scenes.
Below are the industries and items where it is used.

Shape

Chemical Composition of SUS304 (JIS Standard Values)

ElementsC
(Carbon)		Si
(Silicon)		Mn
(Manganese)		P
(Phosphorus)		S
(Sulfur)		Ni
(Nickel)		Cr
(Chromium)		N
(Nitrogen)		Fe
(Iron)
Standard Values
(Mass %)		0.08% or less1.00% or less2.00% or less0.045% or less0.030% or less8.00〜10.50%18.00〜20.00%0.10% or lessBalance

Standards

SUS304 has nearly equivalent materials in many international standards.

Japan (JIS)
JIS
  • JIS G 4303: Stainless steel bars
  • JIS G 4304: Hot-rolled stainless steel plates, sheets and strip
  • JIS G 4305: Cold-rolled stainless steel plates, sheets and strip
  • JIS G 4313: Cold-rolled stainless steel strip for springs
  • JIS G 4309: Stainless steel wires
Casting material is SCS13 (equivalent to SUS304)
International Standards (Nearly equivalent to SUS304)
ASTM304, 304L, 304H (similar)
AISI304
EN1.4301
ISOX5CrNi18-10
DINWerkstoff Nr. 1.4301

Physical Properties

Density7.93 g/cm³
Specific Heat0.50 kJ/(kg·K)
Thermal Conductivity16.2 W/(m·K) (at 100°C)
Coefficient of Linear Expansion17.3 × 10⁻⁶ /K (20–100°C)
Electrical Resistivity0.72 μΩ·m
Young’s Modulus
(Modulus of Elasticity)		193 GPa
Poisson’s Ratio0.30
MagnetismBasically non-magnetic (slightly magnetic with strong working)
Specific GravityApprox. 7.9

Inventory List

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Round Bars

外径mm（10〜100）

Outer Diameter (mm)10121314151617181920212223242526272830323435363840424445464850556065707580859095100
Stock Availability◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯
Length (mm)4000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~6000

外径mm（105〜500）

Outer Diameter (mm)105110115120125130135140145150155160165170180190200210220230240250260270280290300310320330340350360370380400420450500
Stock Availability◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯
Length (mm)4000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~6000

Cold Drawn (Polished) Round Bars

Outer Diameter (mm)（5〜75）

Outer Diameter (mm)56789101112131415161718192022232425262830323536384045505560657075
Stock Availability◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯
Length (mm)4000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~6000

Outer Diameter (mm)（80〜100）

Outer Diameter (mm)808590100
Stock Availability◯◯◯◯
Length (mm)4000~60004000~60004000~60004000~6000

Hexagonal Bars

Outer Diameter (mm)（12〜80）

Outer Diameter (mm)121314171921222324262729303235363840414650545558606365707580
Stock Availability◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯◯
Length (mm)4000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~60004000~6000

Other Stainless Steel Round Bar Materials

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