FabDigitFabDigit

Stainless Steel 1.4482 vs 2304

Stainless Steel · grade comparison

Stainless Steel 1.4482 and 2304 are both stainless steel grades. 1.4482 is the stronger of the two: yield strength 560 MPa (81.2 ksi) against 460 MPa (66.7 ksi) for 2304, about 22% more; tensile strength follows at 740 MPa (107 ksi) vs 680 MPa (98.6 ksi). 2304 runs hotter in service (300°C vs 250°C continuous). On the shop floor, 1.4482 sits in a lower cost tier (standard, $$) than 2304 (premium, $$$).

1.4482Choose it when strength drives the design, or when cost is the deciding factor.

2304Choose it when the part sees heat.

1.4482 vs 2304: properties

1.44822304

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Bulk Modulus

160 GPa23.2 Msi
150 GPa21.8 Msi

Tensile Strength (Ultimate)

740 MPa107 ksi
680 MPa98.6 ksi

Yield Strength (0.2% offset)

560 MPa81.2 ksi
460 MPa66.7 ksi

Elongation at Break

28%
30%

Compressive Strength

570 MPa82.7 ksi
470 MPa68.2 ksi

Shear Strength

450 MPa65.3 ksi
420 MPa60.9 ksi

Fracture Toughness (K_IC)

100 MPa·√m91 ksi·√in
120 MPa·√m109 ksi·√in

Charpy V-Notch Impact (RT)

75 J55.3 ft·lbf
220 J162 ft·lbf

Hardness, Vickers

255 HV
250 HV

Same in both: Elastic (Young's) Modulus 200 GPa29 Msi · Shear Modulus 77 GPa11.2 Msi · Poisson's Ratio 0.3 · Reduction in Area 55% · Fatigue Strength (Endurance Limit) 400 MPa58 ksi · Hardness, Brinell 240 HB · Hardness, Rockwell B 99 HRB · Hardness, Rockwell C 22 HRC

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,420°C2,588 °F
1,385°C2,525 °F

Liquidus Temperature

1,455°C2,651 °F
1,445°C2,633 °F

Same in both: Density 7.75 g/cm³0.28 lb/in³

Thermal

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

Thermal Conductivity

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

Latent Heat of Fusion

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

Max Service Temperature (continuous)

250°C482 °F
300°C572 °F

Min Service Temperature

-40°C-40 °F
-50°C-58 °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

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).

Corrosion Resistance

65 / 100
74 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.15 V

Manufacturability

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

Machinability

38 / 100
35 / 100

Weldability

70 / 100
72 / 100

Formability (cold)

58 / 100
55 / 100

Castability

40 / 100
45 / 100

Brazeability / Solderability

35 / 100
40 / 100

Polishability

75 / 100
70 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 40%

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

52 MJ/kg22,356 BTU/lb
46 MJ/kg19,776 BTU/lb

Embodied Carbon (primary production)

3.6 kg CO₂/kg
3.8 kg CO₂/kg

Embodied Water

130 L/kg15.6 gal/lb
100 L/kg12 gal/lb

Same in both: Typical Recycled Content 70%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

95 kN·m/kg
88 kN·m/kg

Modulus of Resilience

784 kJ/m³
529 kJ/m³

Thermal Diffusivity

4 mm²/s
4.3 mm²/s

Same in both: Specific Stiffness (E / density) 25.8 MN·m/kg · Thermal Shock Resistance Index 4

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 scale1.44822304

Manufacturing and finishing

Capability1.44822304
CNC machining—Yes
Sheet metal—Yes
Default condition—Solution Annealed
Relative cost$$ Standard$$$ Premium
Min. machined wall—0.8 mm
Best machined surface—Ra 1.6 µm
AlCrN—Yes
AlTiN—Yes
Black Oxide—Yes
CVD Al2O3—Yes
CVD TiCN—Yes
CVD TiN—Yes
Cerakote—Yes
Chrome Plating—Yes
CrN—Yes
DLC—Yes
Electropolishing—Yes
HVOF Coating—Yes
MoS2—Yes
Multilayer CVD—Yes
Nickel Plating—Yes
PTFE Coating—Yes
Painting—Yes
Passivation (Stainless Steel)—Yes

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

1.4482 vs 2304 — frequently asked

Is 1.4482 stronger than 2304?

Yes. 1.4482 has a typical yield strength of 560 MPa (81.2 ksi) against 460 MPa (66.7 ksi) for 2304 — about 22% more. Tensile strength is 740 MPa (107 ksi) vs 680 MPa (98.6 ksi).

Which is cheaper, 1.4482 or 2304?

1.4482 is the lower-cost material: it sits in the standard tier ($$) while 2304 is premium ($$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose 1.4482 over 2304?

Pick 1.4482 when strength drives the design, or when cost is the deciding factor. Pick 2304 when the part sees heat.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4482 and 2304 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.