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Stainless Steel 1.4837 vs HN

Stainless Steel · grade comparison

Stainless Steel 1.4837 and HN are both stainless steel grades. 1.4837 is the stronger of the two: tensile strength 520 MPa (75.4 ksi) against 470 MPa (68.2 ksi) for HN, about 11% more. 1.4837 is harder — 190 HB against 175 HB for HN — which matters for wear surfaces and threads. 1.4837 conducts heat better (14.5 W/m·K vs 12.5 W/m·K). On the shop floor, 1.4837 sits in a lower cost tier (premium, $$$) than HN (high, $$$$).

1.4837Choose it when strength drives the design, or when surface hardness matters.

1.4837 vs HN: properties

1.4837HN

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

185 GPa26.8 Msi
180 GPa26.1 Msi

Shear Modulus

72 GPa10.4 Msi
70 GPa10.2 Msi

Bulk Modulus

150 GPa21.8 Msi
143 GPa20.7 Msi

Tensile Strength (Ultimate)

520 MPa75.4 ksi
470 MPa68.2 ksi

Yield Strength (0.2% offset)

265 MPa38.4 ksi
255 MPa37 ksi

Elongation at Break

12%
11%

Reduction in Area

15%
10%

Compressive Strength

270 MPa39.2 ksi
260 MPa37.7 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
185 MPa26.8 ksi

Charpy V-Notch Impact (RT)

15 J11.1 ft·lbf
20 J14.8 ft·lbf

Hardness, Brinell

190 HB
175 HB

Hardness, Rockwell B

92 HRB
88 HRB

Hardness, Vickers

200 HV
—

Same in both: Poisson's Ratio 0.29 · Shear Strength 340 MPa49.3 ksi

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,370°C2,498 °F
1,315°C2,399 °F

Liquidus Temperature

1,420°C2,588 °F
1,395°C2,543 °F

Thermal

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

Thermal Conductivity

14.5 W/m·K8.4 BTU/hr·ft·°F
12.5 W/m·K7.2 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

16 µm/m·K8.9 µin/in·°F
15.5 µm/m·K8.6 µin/in·°F

Max Service Temperature (continuous)

1,050°C1,922 °F
1,090°C1,994 °F

Min Service Temperature

-50°C-58 °F
-45°C-49 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Latent Heat of Fusion 270 J/g116 BTU/lb

Electrical

Conductivity and insulation.

Electrical Conductivity

1.9 % IACS
1.7 % IACS

Electrical Resistivity

9×10⁻⁷ Ω·m35.4 µΩ·in
1×10⁻⁶ Ω·m39.4 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.15 V
-0.12 V

Corrosion Resistance

62 / 100
60 / 100

Manufacturability

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

Machinability

22 / 100
28 / 100

Machinability Rating (AISI 1212 = 100 %)

25%
30%

Formability (cold)

12 / 100
5 / 100

Polishability

40 / 100
45 / 100

Brazeability / Solderability

—
35 / 100

Same in both: Weldability 40 / 100 · Castability 72 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

58 MJ/kg24,936 BTU/lb
60 MJ/kg25,795 BTU/lb

Embodied Carbon (primary production)

4.3 kg CO₂/kg
5 kg CO₂/kg

Embodied Water

200 L/kg24 gal/lb
180 L/kg21.6 gal/lb

Typical Recycled Content

70%
65%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

68 kN·m/kg
60 kN·m/kg

Specific Stiffness (E / density)

24 MN·m/kg
23 MN·m/kg

Modulus of Resilience

190 kJ/m³
181 kJ/m³

Thermal Diffusivity

3.8 mm²/s
3.2 mm²/s

Thermal Shock Resistance Index

3
2

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 scale1.4837HN

Manufacturing and finishing

Capability1.4837HN
Default condition——
Relative cost$$$ Premium$$$$ High
Min. machined wall——
Best machined surface——

Both take the same 7 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Pickling, Plasma Spray, Silver Plating.

1.4837 vs HN — frequently asked

Is 1.4837 stronger than HN?

Yes. 1.4837 has a typical tensile strength of 520 MPa (75.4 ksi) against 470 MPa (68.2 ksi) for HN — about 11% more.

Which is cheaper, 1.4837 or HN?

1.4837 is the lower-cost material: it sits in the premium tier ($$$) while HN is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, 1.4837 or HN?

HN, by a small margin. Both rate poor for machinability — 28/100 against 22/100 for 1.4837.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4837 and HN 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.