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Steel 3J53 vs 50W470

Steel · grade comparison

Steel 3J53 and 50W470 are both steel grades. 3J53 is the stronger of the two: yield strength 330 MPa (47.9 ksi) against 310 MPa (45 ksi) for 50W470, about 6% more; tensile strength follows at 760 MPa (110 ksi) vs 440 MPa (63.8 ksi). 3J53 is the more ductile: elongation 35% versus 30% for 50W470, and 3J53 is harder (172 HB vs 152 HB). 50W470 is lighter (7.7 g/cm³ vs 8.14 g/cm³ for 3J53) and 50W470 is stiffer (190 GPa vs 155 GPa). On the shop floor, 50W470 machines more easily (45 vs 35 out of 100) and 50W470 sits in a lower cost tier (standard, $$) than 3J53 (high, $$$$).

3J53Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

50W470Choose it when weight is the constraint, or when the part sees heat.

3J53 vs 50W470: properties

3J5350W470

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

155 GPa22.5 Msi
190 GPa27.6 Msi

Shear Modulus

63 GPa9.1 Msi
74 GPa10.7 Msi

Bulk Modulus

145 GPa21 Msi
160 GPa23.2 Msi

Poisson's Ratio

0.31
0.29

Tensile Strength (Ultimate)

760 MPa110 ksi
440 MPa63.8 ksi

Yield Strength (0.2% offset)

330 MPa47.9 ksi
310 MPa45 ksi

Elongation at Break

35%
30%

Reduction in Area

55%
—

Compressive Strength

340 MPa49.3 ksi
—

Shear Strength

480 MPa69.6 ksi
265 MPa38.4 ksi

Fatigue Strength (Endurance Limit)

300 MPa43.5 ksi
200 MPa29 ksi

Charpy V-Notch Impact (RT)

90 J66.4 ft·lbf
—

Hardness, Brinell

172 HB
152 HB

Hardness, Rockwell B

88 HRB
82 HRB

Hardness, Vickers

180 HV
160 HV

Physical

Density and transition temperatures.

Density

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

Melting Point (Solidus)

1,425°C2,597 °F
1,480°C2,696 °F

Liquidus Temperature

1,450°C2,642 °F
1,520°C2,768 °F

Thermal

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

Thermal Conductivity

12.6 W/m·K7.3 BTU/hr·ft·°F
28 W/m·K16.2 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

7.9 µm/m·K4.4 µin/in·°F
12 µm/m·K6.7 µin/in·°F

Max Service Temperature (continuous)

150°C302 °F
180°C356 °F

Min Service Temperature

-50°C-58 °F
-60°C-76 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

2.2 % IACS
4.1 % IACS

Electrical Resistivity

8×10⁻⁷ Ω·m31.5 µΩ·in
4.2×10⁻⁷ Ω·m16.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.35 V
—

Corrosion Resistance

40 / 100
20 / 100

Manufacturability

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

Machinability

35 / 100
45 / 100

Machinability Rating (AISI 1212 = 100 %)

30%
50%

Weldability

50 / 100
55 / 100

Formability (cold)

75 / 100
70 / 100

Brazeability / Solderability

55 / 100
—

Polishability

65 / 100
50 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

130 MJ/kg55,890 BTU/lb
32 MJ/kg13,758 BTU/lb

Embodied Carbon (primary production)

9 kg CO₂/kg
2.3 kg CO₂/kg

Embodied Water

220 L/kg26.4 gal/lb
60 L/kg7.2 gal/lb

Typical Recycled Content

20%
25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

93 kN·m/kg
57 kN·m/kg

Specific Stiffness (E / density)

19 MN·m/kg
24.7 MN·m/kg

Modulus of Resilience

351 kJ/m³
253 kJ/m³

Thermal Diffusivity

3.1 mm²/s
7.7 mm²/s

Thermal Shock Resistance Index

8
5

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.

2005001,0002,0007.588.5Density (g/cm³)Yield strength (MPa) — log scale50W4703J53

Manufacturing and finishing

Capability3J5350W470
Sheet metal—Yes
Default condition—Final Annealed
Relative cost$$$$ High$$ Standard
Min. machined wall——
Best machined surface——
Black Oxide—Yes
Cerakote—Yes
Chrome Plating—Yes
E-Coating—Yes
Hot-Dip Galvanizing—Yes
Nickel Plating—Yes
PTFE Coating—Yes
Painting—Yes
Powder Coating—Yes
Tin Plating—Yes
Zinc Plating—Yes
Zinc-Flake (Dip-Spin) Coating—Yes
Zinc-Nickel Plating—Yes

They share 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

3J53 vs 50W470 — frequently asked

Is 3J53 stronger than 50W470?

Yes. 3J53 has a typical yield strength of 330 MPa (47.9 ksi) against 310 MPa (45 ksi) for 50W470 — about 6% more. Tensile strength is 760 MPa (110 ksi) vs 440 MPa (63.8 ksi).

Which is cheaper, 3J53 or 50W470?

50W470 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 50W470?

50W470, by a small margin. Both rate fair for machinability — 45/100 against 35/100 for 3J53; for welding the order is 50W470 first (good, 55/100) then 3J53 (fair, 50/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in 3J53 and 50W470 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.