Density of Stainless Steel {🪨 2021 update}

Definition

The density of stainless steel is the weight of the stainless steel per its volume.

Formula

ρ = m / V

• ρ:  Density
• m: mass
• V: Volume

Density vs Specific Weight vs Specific Gravity

I would like to point out that there are conceptual differences between density, specific weight and specific gravity. Follow the link if you want to learn more about these differences.

With that said, this page will provide you the stainless steel density in kg/m³ (SI unit), g/cm³, g/ml, kg/l, lb/ft³.

Density of Stainless Steel

Stainless steel grades have very little differences in density. The values below are applicable to popular grades (like 303, 304, 304l, 316, 316l):

𝛒 = 7.9 g/cm³

𝛒 = 7900 kg/m³

𝛒 = 7.9 g/ml
𝛒 = 7900 g/L

𝛒 = 493.181 lb/ft³

Source: World Stainless

303 Stainless Steel

𝛒 = 7.92 g/cm³

𝛒 = 7920 kg/m³

𝛒 = 7.92 g/ml
𝛒 = 7920 g/L

𝛒 = 494.43 lb/ft³

Source: Upmet

316 Stainless Steel

𝛒 = 8.03 g/cm³

𝛒 = 8030 kg/m³

𝛒 = 8.03 g/ml
𝛒 = 8030 g/L

𝛒 = 501.30 lb/ft³

Source: Upmet

My Density Infographic

Put the stainless steel density in perspective!

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