Stainless Steel 304 density

When it comes to materials science, density is a fundamental property that describes the mass of a substance per unit volume. In scientific terms, density is calculated using the formula p = m/V, where p stands for density, m represents mass, and V denotes volume. This concept plays a crucial role in understanding how different materials behave under various conditions.

Table of contents

  • Stainless Steel 304 density
  • AISI 304 chemical composition
  • SS 304 mechanical properties
  • SUS304 physical properties
  • Stainless steel 304 equivalent
  • Heat Resistance of SS 304 material
  • AISI 304 Forging and Hot Working
  • Heat Treatment of SUS 304
  • AISI 304 material standard
  • Comparison of density of DIN 1.4301 with other materials
  • How to calculate the density of Alloy 304 grade
  • Weight calculation of INOX 304
  • Relations of Temperature And Pressure with Density
  • Mean Coefficient of Thermal Expansion of UNS S30400
  • Thermal Conductivity of 1.4301 stainless steel material

Stainless Steel 304 Density

Stainless Steel Density (lb/in³) Density (g/cm³) Density (kg/m³) Density (kg/dm³) Density (lb/ft³)
304 0.286 7.93 7,930 7.93 495.05

304 SS Grade contains at least 8% Nickel – Check INOX 304 Chemical Composition

The chemical composition of AISI 304 stainless steel includes several elements, with nickel making up about 8%. This combination gives the material excellent ductility, formability, weldability, toughness, and resistance to high temperatures, making it ideal for a wide range of applications.

Because of its versatility, many industries choose 304 stainless steel for their projects. Whether you need a material that can withstand harsh environments or one that’s easy to work with during manufacturing, 304 offers the right balance of properties.

AISI 304 Chemical Composition

Chromium
20%
Nickel
10.5%
Carbon
0.08%
Manganese
2%
Silicon
1%
Phosphorous
0.045%
Sulphur
0.03%
Nitrogen
0.1%

SS 304 Mechanical Properties

Property Measurement
Tensile Strength 505 MPa – 620 MPa
Yield Strength ~ 215 MPa
Elongation 50% – 60%

AISI 304 Offers Excellent Formability – Check UNS S30400 Physical Properties

AISI 304 stainless steel is known for its exceptional formability, which makes it a popular choice in many industries. Its flexibility allows for bending, machining, and welding, enabling the creation of complex shapes and designs. This adaptability expands its application range across multiple sectors.

This feature ensures that AISI 304 is suitable for industries requiring customized products. As a result, manufacturers can produce items according to specific requirements without worrying about limitations in formability.

SUS304 Physical Properties

Property Density, lb/in³ Modulus of Elasticity, psi Coefficient of Thermal Expansion, 68–212°F, /°F Thermal Conductivity, Btu/ft hr °F Specific Heat, Btu/lb °F Electrical Resistivity, Microohm-in
304 0.285 28 x 10⁶ 9.2 x 10⁻⁶ 9.4 0.12 28.3

Stainless Steel 304 Equivalent

Grade UNS Japanese JIS Old British Euronorm Swedish SS
BS En No Name
304 S30400 SUS 304 304S31 58E 1.4301 X5CrNi18-10 2332

Heat Resistance of SS 304 Material

Intermittent service up to 870°C
Continuous service 925°C

AISI 304 Forging and Hot Working

Forging 925–1260°C
Hot Working 1149–1260°C

AISI 304 Exhibits Good Corrosion Resistance – View Heat Treatment of 1.4301 Stainless Steel

AISI 304 stainless steel has good corrosion resistance, allowing it to resist rust and other forms of degradation. This makes it a popular choice for kitchen sinks, cutlery, automotive parts, and marine applications. Its ability to perform over long periods makes it a reliable option for many industries.

Heat treatment processes can be used to modify the properties of stainless steel. These methods can increase hardness, change material characteristics, or improve thermal conductivity. Common heat treatments include aging, hardening, tempering, annealing, and more.

Heat Treatment of SUS 304

Heat Treatment 1149 – 1260°C

AISI 304 Material Standards

Product Standard
Plate ASTM A240 / ASME SA240
Flange / Forged Fittings ASTM A182 / ASME SA182
Pipe Fittings ASTM A403 / ASME SA403
Fasteners ASTM A194 / ASME SA194
ASTM Standard

Comparison of Density of DIN 1.4301 with Other Materials

Types Of Steel Density, g/cm³ Density, lb/ft³ Density, kg/m³ Density, lb/in³
Stainless Steel 7.7–8.0 481–499 7,700–8,000 0.278–0.289
Mild Steel 7.85 490 7,850 0.284
Medium Carbon Steel 7.83 489 7,830 0.283
High Carbon Steel 7.81 488 7,810 0.282
Iron 7.87 491 7,870 0.284

How to Calculate the Density of Alloy 304 Grade

To determine the density of AISI 304 stainless steel, you need to know the mass of the material and the volume it occupies. The formula for calculating density is:

Density of steel = mass of steel / volume of steel

Weight Calculation of INOX 304

Stainless steel 304 weigh formula

Tube / Pipe

Round shape: W = (OD - T) × T × 0.0031416 × Density

Square shape: W = (OD × 4 / 3.14 - T) × T × 0.0031416 × Density

Rectangular shape: W = ((OD1 + OD2) × 2 / 3.14 - T) × T × 0.0031416 × Density

Plate / Sheet

W = T × Width (m) × Density

Bar

Round Bar: W = 0.0007854 × O.D. (mm) × O.D. (mm) × Density

Flat Bar: W = 0.001 × Width (mm) × T (mm) × Density

Hexagon Bar: W = 0.000866 × I.D. (mm) × I.D. (mm) × Density

Square Bar: W = 0.001 × Width (mm) × Width (mm) × Density

Relationship Between Temperature and Pressure with Density

Temperature and pressure have a significant impact on the density of AISI 304 stainless steel. As temperature increases, the density of the material decreases. On the other hand, an increase in pressure leads to an increase in density.

Annealing temperature of 304 stainless steel is between 1,100 and 1,150°C – Check Thermal Expansion of SUS 304 Material

Annealing AISI 304 stainless steel within the temperature range of 1,100–1,150°C enhances its mechanical and corrosion resistance properties. This process helps relieve internal stresses, reduce hardness, and improve flexibility, making it easier to work with during manufacturing.

Thermal expansion is an important property for engineering applications. The coefficient of thermal expansion measures how much a material expands when exposed to temperature changes. Understanding this property helps in designing systems that account for dimensional changes due to temperature variations.

Mean Coefficient of Thermal Expansion of UNS S30400

0–100°C 0–315°C 0–538°C
17.2 μm/m/°C 18.4 μm/m/°C 16.2 μm/m/°C
Chromium Helps Prevent Rust and Corrosion in SS 304 – View Thermal Conductivity of DIN 1.4301

AISI 304 stainless steel contains chromium in its chemical composition. This element reacts with oxygen in the air to form a protective layer that makes the material highly resistant to rust and corrosion. Due to its low maintenance and resistance to staining and oxidation, it is widely used in applications where appearance is important.

The level of chromium in the alloy determines its ability to resist corrosion. Higher chromium content generally means better protection against rust and degradation. This makes AISI 304 a preferred choice in many industrial and commercial settings.

Thermal Conductivity of 1.4301 Stainless Steel Material

at 100°C at 500°C
16.2 W/m·K 21.5 W/m·K

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