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Stainless Steel 2304 vs S82441

Stainless Steel · grade comparison

Stainless Steel 2304 and S82441 are both stainless steel grades. S82441 is the stronger of the two: yield strength 550 MPa (79.8 ksi) against 460 MPa (66.7 ksi) for 2304, about 20% more; tensile strength follows at 800 MPa (116 ksi) vs 680 MPa (98.6 ksi). S82441 is harder — 260 HB against 240 HB for 2304 — which matters for wear surfaces and threads.

S82441Choose it when strength drives the design, or when surface hardness matters.

2304 vs S82441: properties

2304S82441

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Bulk Modulus

150 GPa21.8 Msi
165 GPa23.9 Msi

Tensile Strength (Ultimate)

680 MPa98.6 ksi
800 MPa116 ksi

Yield Strength (0.2% offset)

460 MPa66.7 ksi
550 MPa79.8 ksi

Reduction in Area

55%
60%

Compressive Strength

470 MPa68.2 ksi
—

Shear Strength

420 MPa60.9 ksi
480 MPa69.6 ksi

Fracture Toughness (K_IC)

120 MPa·√m109 ksi·√in
110 MPa·√m100 ksi·√in

Charpy V-Notch Impact (RT)

220 J162 ft·lbf
230 J170 ft·lbf

Hardness, Brinell

240 HB
260 HB

Hardness, Rockwell B

99 HRB
—

Hardness, Rockwell C

22 HRC
25 HRC

Hardness, Vickers

250 HV
270 HV

Same in both: Elastic (Young's) Modulus 200 GPa29 Msi · Shear Modulus 77 GPa11.2 Msi · Poisson's Ratio 0.3 · Elongation at Break 30% · Fatigue Strength (Endurance Limit) 400 MPa58 ksi

Physical

Density and transition temperatures.

Density

7.75 g/cm³0.28 lb/in³
7.7 g/cm³0.28 lb/in³

Same in both: Melting Point (Solidus) 1,385°C2,525 °F · Liquidus Temperature 1,445°C2,633 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

16 W/m·K9.2 BTU/hr·ft·°F
15 W/m·K8.7 BTU/hr·ft·°F

Latent Heat of Fusion

275 J/g118 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

300°C572 °F
280°C536 °F

Same in both: Specific Heat Capacity 480 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 13 µm/m·K7.2 µin/in·°F · Min Service Temperature -50°C-58 °F

Electrical

Conductivity and insulation.

Same in both: Electrical Conductivity 2.2 % IACS · Electrical Resistivity 8×10⁻⁷ Ω·m31.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.15 V
-0.1 V

Corrosion Resistance

74 / 100
71 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

35 / 100
30 / 100

Machinability Rating (AISI 1212 = 100 %)

40%
22%

Weldability

72 / 100
75 / 100

Castability

45 / 100
—

Polishability

70 / 100
75 / 100

Same in both: Formability (cold) 55 / 100 · Brazeability / Solderability 40 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

46 MJ/kg19,776 BTU/lb
55 MJ/kg23,646 BTU/lb

Embodied Carbon (primary production)

3.8 kg CO₂/kg
5 kg CO₂/kg

Embodied Water

100 L/kg12 gal/lb
120 L/kg14.4 gal/lb

Typical Recycled Content

70%
60%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

88 kN·m/kg
104 kN·m/kg

Specific Stiffness (E / density)

25.8 MN·m/kg
26 MN·m/kg

Modulus of Resilience

529 kJ/m³
756 kJ/m³

Thermal Diffusivity

4.3 mm²/s
4.1 mm²/s

Thermal Shock Resistance Index

4
5

Strength versus weight

Yield strength against density for every stainless steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

3005007001,0001,5002,0007.27.47.67.888.2Density (g/cm³)Yield strength (MPa) — log scaleS824412304

Manufacturing and finishing

Capability2304S82441
CNC machiningYes—
Sheet metalYes—
Default conditionSolution Annealed—
Relative cost$$$ Premium$$$ Premium
Min. machined wall0.8 mm—
Best machined surfaceRa 1.6 µm—
AlCrNYes—
AlTiNYes—
Black OxideYes—
CVD Al2O3Yes—
CVD TiCNYes—
CVD TiNYes—
CerakoteYes—
Chrome PlatingYes—
CrNYes—
DLCYes—
ElectropolishingYes—
HVOF CoatingYes—
MoS2Yes—
Multilayer CVDYes—
Nickel PlatingYes—
PTFE CoatingYes—
PaintingYes—
Passivation (Stainless Steel)Yes—

They share 7 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Pickling, Plasma Spray, Silver Plating.

2304 vs S82441 — frequently asked

Is S82441 stronger than 2304?

Yes. S82441 has a typical yield strength of 550 MPa (79.8 ksi) against 460 MPa (66.7 ksi) for 2304 — about 20% more. Tensile strength is 800 MPa (116 ksi) vs 680 MPa (98.6 ksi).

Which is cheaper, 2304 or S82441?

Both sit in the same relative cost tier ($$$, premium); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which is easier to machine, 2304 or S82441?

2304. Its machinability rates fair (35/100) against poor (30/100) for S82441.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 2304 and S82441 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.