FabDigit

1050 vs 1030 and 2 more: properties

1050103010351040

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

620 MPa89.9 ksi
470 MPa68.2 ksi
585 MPa84.8 ksi
620 MPa89.9 ksi

Yield Strength (0.2% offset)

340 MPa49.3 ksi
260 MPa37.7 ksi
320 MPa46.4 ksi
415 MPa60.2 ksi

Elongation at Break

15%
20%
18%
25%

Reduction in Area

35%
42%
40%
50%

Shear Strength

410 MPa59.5 ksi
300 MPa43.5 ksi
360 MPa52.2 ksi
385 MPa55.8 ksi

Fatigue Strength (Endurance Limit)

280 MPa40.6 ksi
230 MPa33.4 ksi
260 MPa37.7 ksi
290 MPa42.1 ksi

Fracture Toughness (K_IC)

55 MPa·√m50.1 ksi·√in
55 MPa·√m50.1 ksi·√in
60 MPa·√m54.6 ksi·√in
55 MPa·√m50.1 ksi·√in

Charpy V-Notch Impact (RT)

16 J11.8 ft·lbf
40 J29.5 ft·lbf
55 J40.6 ft·lbf
45 J33.2 ft·lbf

Hardness, Brinell

179 HB
137 HB
163 HB
201 HB

Hardness, Rockwell B

89 HRB
75 HRB
85 HRB
93 HRB

Compressive Strength

260 MPa37.7 ksi
320 MPa46.4 ksi
415 MPa60.2 ksi

Hardness, Vickers

170 HV
210 HV

Same in both: Elastic (Young's) Modulus 205 GPa29.7 Msi · Shear Modulus 80 GPa11.6 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Liquidus Temperature

1,465°C2,669 °F
1,510°C2,750 °F
1,500°C2,732 °F
1,495°C2,723 °F

Same in both: Density 7.85 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,425°C2,597 °F

Thermal

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

Thermal Conductivity

49 W/m·K28.3 BTU/hr·ft·°F
51.9 W/m·K30 BTU/hr·ft·°F
49 W/m·K28.3 BTU/hr·ft·°F
51 W/m·K29.5 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

11.7 µm/m·K6.5 µin/in·°F
11.7 µm/m·K6.5 µin/in·°F
11.9 µm/m·K6.6 µin/in·°F
11.5 µm/m·K6.4 µin/in·°F

Latent Heat of Fusion

247 J/g106 BTU/lb
247 J/g106 BTU/lb
250 J/g107 BTU/lb
247 J/g106 BTU/lb

Max Service Temperature (continuous)

400°C752 °F
400°C752 °F
425°C797 °F
425°C797 °F

Same in both: Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

10.5 % IACS
10 % IACS
10.8 % IACS
10 % IACS

Electrical Resistivity

1.65×10⁻⁷ Ω·m6.5 µΩ·in
1.7×10⁻⁷ Ω·m6.69 µΩ·in
1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.71×10⁻⁷ Ω·m6.73 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.61 V · Corrosion Resistance 10 / 100

Manufacturability

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

Machinability

48 / 100
55 / 100
60 / 100
55 / 100

Machinability Rating (AISI 1212 = 100 %)

50%
65%
65%
60%

Weldability

30 / 100
62 / 100
55 / 100
45 / 100

Formability (cold)

35 / 100
50 / 100
50 / 100
45 / 100

Brazeability / Solderability

55 / 100
70 / 100
65 / 100
60 / 100

Polishability

60 / 100
55 / 100
60 / 100
60 / 100

Castability

45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

1.9 kg CO₂/kg
1.9 kg CO₂/kg
2 kg CO₂/kg
2.1 kg CO₂/kg

Embodied Water

45 L/kg5.4 gal/lb
40 L/kg4.8 gal/lb
45 L/kg5.4 gal/lb
50 L/kg6 gal/lb

Typical Recycled Content

30%
30%
30%
25%

Same in both: Embodied Energy (primary production) 25 MJ/kg10,748 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

79 kN·m/kg
60 kN·m/kg
75 kN·m/kg
79 kN·m/kg

Modulus of Resilience

282 kJ/m³
165 kJ/m³
250 kJ/m³
420 kJ/m³

Thermal Diffusivity

13.3 mm²/s
13.6 mm²/s
12.8 mm²/s
13.4 mm²/s

Thermal Shock Resistance Index

13
10
12
13

Same in both: Specific Stiffness (E / density) 26.1 MN·m/kg

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 scale1030103510401050

Manufacturing and finishing

Capability1050103010351040
Default conditionHRHRHR
Relative cost$ Budget$ Budget$ Budget$ Budget
Min. machined wall0.8 mm0.8 mm0.8 mm0.8 mm
Best machined surfaceRa 1.6 µmRa 1.6 µmRa 1.6 µmRa 1.6 µm

Both are offered for CNC machining and Sheet metal. Both take the same 38 finishes: AlCrN, AlTiN, Black Oxide, CVD Al2O3, CVD TiCN, CVD TiN, Cerakote, Chrome Plating, Copper Plating, CrN, DLC, E-Coating and 26 more.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1050 and 1030 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.