Steel 5CrMnMo vs H24
Steel · grade comparison
Steel 5CrMnMo and H24 are both steel grades. H24 is the stronger of the two: tensile strength 840 MPa (122 ksi) against 780 MPa (113 ksi) for 5CrMnMo, about 8% more. 5CrMnMo is lighter (7.8 g/cm³ vs 8.55 g/cm³ for H24) and H24 runs hotter in service (550°C vs 400°C continuous). On the shop floor, 5CrMnMo machines more easily (good vs fair), 5CrMnMo forms better (30 vs 15 out of 100), and 5CrMnMo sits in a lower cost tier (budget, $) than H24 (high, $$$$).
5CrMnMoChoose it when weight is the constraint, or when the part is machined in volume.
H24Choose it when strength drives the design, or when the part sees heat.
5CrMnMo vs H24: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all steel grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Elastic (Young's) Modulus
Shear Modulus
Tensile Strength (Ultimate)
Reduction in Area
Shear Strength
Fatigue Strength (Endurance Limit)
Fracture Toughness (K_IC)
Charpy V-Notch Impact (RT)
Hardness, Rockwell C
Hardness, Vickers
Same in both: Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29 · Yield Strength (0.2% offset) 500 MPa72.5 ksi · Elongation at Break 18% · Compressive Strength 520 MPa75.4 ksi · Hardness, Brinell 220 HB · Hardness, Rockwell B 97 HRB
Physical
Density and transition temperatures.
Density
Melting Point (Solidus)
Liquidus Temperature
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Thermal Expansion (CTE, 20–100 °C)
Max Service Temperature (continuous)
Same in both: Specific Heat Capacity 460 J/kg·K0.11 BTU/lb·°F · Latent Heat of Fusion 250 J/g107 BTU/lb · Min Service Temperature -20°C-4 °F
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Galvanic Potential (seawater, vs SCE)
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Machinability Rating (AISI 1212 = 100 %)
Weldability
Formability (cold)
Brazeability / Solderability
Same in both: Castability 25 / 100 · Polishability 55 / 100
Sustainability
Primary-production footprint per kilogram.
Embodied Energy (primary production)
Embodied Carbon (primary production)
Embodied Water
Typical Recycled Content
Common Calculations
Ratios derived from the values above.
Specific Strength (UTS / density)
Specific Stiffness (E / density)
Modulus of Resilience
Thermal Diffusivity
Same in both: Thermal Shock Resistance Index 10
Strength versus weight
Yield strength against density for every steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
Manufacturing and finishing
| Capability | 5CrMnMo | H24 |
|---|---|---|
| Default condition | — | — |
| Relative cost | $ Budget | $$$$ High |
| Min. machined wall | — | — |
| Best machined surface | — | — |
Both take the same 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.
5CrMnMo vs H24 — frequently asked
Is H24 stronger than 5CrMnMo?
Yes. H24 has a typical tensile strength of 840 MPa (122 ksi) against 780 MPa (113 ksi) for 5CrMnMo — about 8% more.
Which is cheaper, 5CrMnMo or H24?
5CrMnMo is the lower-cost material: it sits in the budget tier ($) while H24 is high ($$$$). 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, 5CrMnMo or H24?
5CrMnMo. Its machinability rates good (55/100) against fair (35/100) for H24; for welding the order is 5CrMnMo first (fair, 35/100) then H24 (poor, 30/100).
Ready to make it?
Upload a CAD file and FabDigit prices the part in 5CrMnMo and H24 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.