FabDigit

1021 vs 1006 and 2 more: properties

1021100610081010

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

200 GPa29 Msi
205 GPa29.7 Msi
200 GPa29 Msi
200 GPa29 Msi

Tensile Strength (Ultimate)

455 MPa66 ksi
300 MPa43.5 ksi
300 MPa43.5 ksi
325 MPa47.1 ksi

Yield Strength (0.2% offset)

385 MPa55.8 ksi
170 MPa24.7 ksi
175 MPa25.4 ksi
180 MPa26.1 ksi

Elongation at Break

15%
30%
30%
28%

Reduction in Area

40%
55%
55%
50%

Compressive Strength

385 MPa55.8 ksi

Shear Strength

275 MPa39.9 ksi
200 MPa29 ksi
185 MPa26.8 ksi
220 MPa31.9 ksi

Fatigue Strength (Endurance Limit)

220 MPa31.9 ksi
150 MPa21.8 ksi
150 MPa21.8 ksi
160 MPa23.2 ksi

Fracture Toughness (K_IC)

100 MPa·√m91 ksi·√in
130 MPa·√m118 ksi·√in
140 MPa·√m127 ksi·√in

Charpy V-Notch Impact (RT)

50 J36.9 ft·lbf
120 J88.5 ft·lbf
90 J66.4 ft·lbf
95 J70.1 ft·lbf

Hardness, Brinell

131 HB
86 HB
86 HB
95 HB

Hardness, Rockwell B

72 HRB
41 HRB
45 HRB
55 HRB

Hardness, Vickers

138 HV
90 HV
100 HV

Same in both: Shear Modulus 80 GPa11.6 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,425°C2,597 °F
1,515°C2,759 °F
1,495°C2,723 °F
1,495°C2,723 °F

Liquidus Temperature

1,515°C2,759 °F
1,535°C2,795 °F
1,530°C2,786 °F
1,525°C2,777 °F

Same in both: Density 7.87 g/cm³0.28 lb/in³

Thermal

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

Thermal Conductivity

51.9 W/m·K30 BTU/hr·ft·°F
65 W/m·K37.6 BTU/hr·ft·°F
60 W/m·K34.7 BTU/hr·ft·°F
49.8 W/m·K28.8 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

11.7 µm/m·K6.5 µin/in·°F
12 µm/m·K6.7 µin/in·°F
12.2 µm/m·K6.8 µin/in·°F
12.2 µm/m·K6.8 µin/in·°F

Max Service Temperature (continuous)

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

Min Service Temperature

-20°C-4 °F
-30°C-22 °F
-30°C-22 °F
-30°C-22 °F

Same in both: Latent Heat of Fusion 247 J/g106 BTU/lb

Electrical

Conductivity and insulation.

Electrical Conductivity

10.8 % IACS
12 % IACS
11.5 % IACS
12 % IACS

Electrical Resistivity

1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.43×10⁻⁷ Ω·m5.63 µΩ·in
1.5×10⁻⁷ Ω·m5.91 µΩ·in
1.43×10⁻⁷ Ω·m5.63 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.61 V
-0.65 V
-0.65 V
-0.61 V

Same in both: Corrosion Resistance 10 / 100

Manufacturability

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

Machinability

62 / 100
45 / 100
48 / 100
42 / 100

Machinability Rating (AISI 1212 = 100 %)

70%
50%
45%
55%

Weldability

90 / 100
97 / 100
95 / 100
95 / 100

Formability (cold)

70 / 100
95 / 100
85 / 100
90 / 100

Brazeability / Solderability

75 / 100
80 / 100
80 / 100
80 / 100

Polishability

45 / 100
45 / 100
50 / 100
40 / 100

Castability

35 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

25 MJ/kg10,748 BTU/lb
25 MJ/kg10,748 BTU/lb
25 MJ/kg10,748 BTU/lb
24 MJ/kg10,318 BTU/lb

Embodied Carbon (primary production)

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

Embodied Water

40 L/kg4.8 gal/lb
55 L/kg6.6 gal/lb
40 L/kg4.8 gal/lb
35 L/kg4.2 gal/lb

Typical Recycled Content

30%
28%
25%
30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

58 kN·m/kg
38 kN·m/kg
38 kN·m/kg
41 kN·m/kg

Specific Stiffness (E / density)

25.4 MN·m/kg
26 MN·m/kg
25.4 MN·m/kg
25.4 MN·m/kg

Modulus of Resilience

371 kJ/m³
70 kJ/m³
77 kJ/m³
81 kJ/m³

Thermal Diffusivity

13.6 mm²/s
17.2 mm²/s
15.9 mm²/s
14.1 mm²/s

Thermal Shock Resistance Index

10
8
7
7

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 scale1006100810101021

Manufacturing and finishing

Capability1021100610081010
Sheet metalYesYesYes
CNC machiningYes
Default conditionHRHRHR
Relative cost$ Budget$ Budget$ Budget$ Budget
Min. machined wall0.8 mm
Best machined surfaceRa 1.6 µm
AlCrNYes
AlTiNYes
Black OxideYesYesYes
CVD Al2O3Yes
CVD TiCNYes
CVD TiNYes
CerakoteYesYesYes
Chrome PlatingYesYesYes
CrNYes
DLCYes
E-CoatingYesYesYes
HVOF CoatingYes
Hot-Dip GalvanizingYesYesYes
MoS2Yes
Multilayer CVDYes
Nickel PlatingYesYesYes
PTFE CoatingYesYesYes
PaintingYesYesYes

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

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1021 and 1006 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.