Steel 3J53 vs Ingot Iron
Steel · grade comparison
Steel 3J53 and Ingot Iron are both steel grades. 3J53 is the stronger of the two: yield strength 330 MPa (47.9 ksi) against 150 MPa (21.8 ksi) for Ingot Iron, about 120% more; tensile strength follows at 760 MPa (110 ksi) vs 275 MPa (39.9 ksi). In exchange, Ingot Iron is the more ductile: elongation 45% versus 35% for 3J53, and 3J53 is harder (172 HB vs 70 HB). Ingot Iron is lighter (7.87 g/cm³ vs 8.14 g/cm³ for 3J53) and Ingot Iron is stiffer (205 GPa vs 155 GPa). On the shop floor, Ingot Iron machines more easily (45 vs 35 out of 100), Ingot Iron welds better (excellent vs fair), and Ingot Iron sits in a lower cost tier (standard, $$) than 3J53 (high, $$$$).
3J53Choose it when strength drives the design.
Ingot IronChoose it when the part is bent, formed or impact-loaded, or when weight is the constraint.
3J53 vs Ingot Iron: 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
Bulk Modulus
Poisson's Ratio
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Compressive Strength
Shear Strength
Fatigue Strength (Endurance Limit)
Charpy V-Notch Impact (RT)
Hardness, Brinell
Hardness, Rockwell B
Hardness, Vickers
Fracture Toughness (K_IC)
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
Specific Heat Capacity
Thermal Expansion (CTE, 20–100 °C)
Max Service Temperature (continuous)
Latent Heat of Fusion
Same in both: Min Service Temperature -50°C-58 °F
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Galvanic Potential (seawater, vs SCE)
Corrosion Resistance
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
Polishability
Castability
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
Thermal Shock Resistance Index
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 | 3J53 | Ingot Iron |
|---|---|---|
| Default condition | — | — |
| Relative cost | $$$$ High | $$ Standard |
| 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.
3J53 vs Ingot Iron — frequently asked
Is 3J53 stronger than Ingot Iron?
Yes. 3J53 has a typical yield strength of 330 MPa (47.9 ksi) against 150 MPa (21.8 ksi) for Ingot Iron — about 120% more. Tensile strength is 760 MPa (110 ksi) vs 275 MPa (39.9 ksi).
Which is cheaper, 3J53 or Ingot Iron?
Ingot Iron is the lower-cost material: it sits in the standard tier ($$) while 3J53 is high ($$$$). 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, 3J53 or Ingot Iron?
Ingot Iron, by a small margin. Both rate fair for machinability — 45/100 against 35/100 for 3J53; for welding the order is Ingot Iron first (excellent, 95/100) then 3J53 (fair, 50/100).
Ready to make it?
Upload a CAD file and FabDigit prices the part in 3J53 and Ingot Iron 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.