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Stainless Steel 1.4587 vs 1.4837

Stainless Steel · grade comparison

Stainless Steel 1.4587 and 1.4837 are both stainless steel grades. Both yield at about 260 MPa — strength does not separate them. 1.4587 is the more ductile: elongation 40% versus 12% for 1.4837, and 1.4837 is harder (190 HB vs 165 HB). 1.4837 is lighter (7.7 g/cm³ vs 8 g/cm³ for 1.4587) and 1.4587 is stiffer (195 GPa vs 185 GPa). On the shop floor, 1.4587 welds better (good vs fair) and 1.4837 sits in a lower cost tier (premium, $$$) than 1.4587 (high, $$$$).

1.4587Choose it when the part is bent, formed or impact-loaded, or when it will be welded.

1.4837Choose it when weight is the constraint, or when the part sees heat.

1.4587 vs 1.4837: properties

1.45871.4837

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

195 GPa28.3 Msi
185 GPa26.8 Msi

Shear Modulus

75 GPa10.9 Msi
72 GPa10.4 Msi

Bulk Modulus

160 GPa23.2 Msi
150 GPa21.8 Msi

Yield Strength (0.2% offset)

260 MPa37.7 ksi
265 MPa38.4 ksi

Elongation at Break

40%
12%

Reduction in Area

45%
15%

Compressive Strength

260 MPa37.7 ksi
270 MPa39.2 ksi

Shear Strength

350 MPa50.8 ksi
340 MPa49.3 ksi

Charpy V-Notch Impact (RT)

110 J81.1 ft·lbf
15 J11.1 ft·lbf

Hardness, Brinell

165 HB
190 HB

Hardness, Rockwell B

85 HRB
92 HRB

Hardness, Vickers

175 HV
200 HV

Same in both: Poisson's Ratio 0.29 · Tensile Strength (Ultimate) 520 MPa75.4 ksi · Fatigue Strength (Endurance Limit) 200 MPa29 ksi

Physical

Density and transition temperatures.

Density

8 g/cm³0.29 lb/in³
7.7 g/cm³0.28 lb/in³

Melting Point (Solidus)

1,330°C2,426 °F
1,370°C2,498 °F

Liquidus Temperature

1,390°C2,534 °F
1,420°C2,588 °F

Thermal

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

Thermal Conductivity

12 W/m·K6.9 BTU/hr·ft·°F
14.5 W/m·K8.4 BTU/hr·ft·°F

Specific Heat Capacity

450 J/kg·K0.11 BTU/lb·°F
500 J/kg·K0.12 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

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

Max Service Temperature (continuous)

400°C752 °F
1,050°C1,922 °F

Min Service Temperature

-196°C-321 °F
-50°C-58 °F

Same in both: Latent Heat of Fusion 270 J/g116 BTU/lb

Electrical

Conductivity and insulation.

Electrical Conductivity

1.7 % IACS
1.9 % IACS

Electrical Resistivity

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

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.1 V
-0.15 V

Corrosion Resistance

88 / 100
62 / 100

Manufacturability

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

Machinability

25 / 100
22 / 100

Machinability Rating (AISI 1212 = 100 %)

28%
25%

Weldability

65 / 100
40 / 100

Formability (cold)

30 / 100
12 / 100

Castability

55 / 100
72 / 100

Brazeability / Solderability

45 / 100
—

Polishability

70 / 100
40 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

72 MJ/kg30,954 BTU/lb
58 MJ/kg24,936 BTU/lb

Embodied Carbon (primary production)

5.5 kg CO₂/kg
4.3 kg CO₂/kg

Typical Recycled Content

55%
70%

Same in both: Embodied Water 200 L/kg24 gal/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

65 kN·m/kg
68 kN·m/kg

Specific Stiffness (E / density)

24.4 MN·m/kg
24 MN·m/kg

Modulus of Resilience

173 kJ/m³
190 kJ/m³

Thermal Diffusivity

3.3 mm²/s
3.8 mm²/s

Thermal Shock Resistance Index

2
3

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 scale1.48371.4587

Manufacturing and finishing

Capability1.45871.4837
Default condition——
Relative cost$$$$ High$$$ Premium
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.

1.4587 vs 1.4837 — frequently asked

What is the difference between 1.4587 and 1.4837?

Stainless Steel 1.4587 and 1.4837 are both stainless steel grades. Both yield at about 260 MPa — strength does not separate them. 1.4587 is the more ductile: elongation 40% versus 12% for 1.4837, and 1.4837 is harder (190 HB vs 165 HB).

Which is cheaper, 1.4587 or 1.4837?

1.4837 is the lower-cost material: it sits in the premium tier ($$$) while 1.4587 is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which welds better, 1.4587 or 1.4837?

1.4587. Its weldability rates good (65/100) against fair (40/100) for 1.4837.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4587 and 1.4837 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.