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Steel 1.0031 vs 1010

Steel · grade comparison

Steel 1.0031 and 1010 are both steel grades. 1.0031 is the stronger of the two: yield strength 190 MPa (27.6 ksi) against 180 MPa (26.1 ksi) for 1010, about 6% more. 1.0031 is the more ductile: elongation 33% versus 28% for 1010, and 1010 is harder (95 HB vs 90 HB). 1010 runs hotter in service (400°C vs 350°C continuous). On the shop floor, 1.0031 machines more easily (good vs fair).

1.0031Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

1010Choose it when the part sees heat.

1.0031 vs 1010: properties

1.00311010

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

210 GPa30.5 Msi
200 GPa29 Msi

Shear Modulus

81 GPa11.7 Msi
80 GPa11.6 Msi

Tensile Strength (Ultimate)

300 MPa43.5 ksi
325 MPa47.1 ksi

Yield Strength (0.2% offset)

190 MPa27.6 ksi
180 MPa26.1 ksi

Elongation at Break

33%
28%

Reduction in Area

58%
50%

Compressive Strength

190 MPa27.6 ksi
—

Shear Strength

200 MPa29 ksi
220 MPa31.9 ksi

Fatigue Strength (Endurance Limit)

145 MPa21 ksi
160 MPa23.2 ksi

Fracture Toughness (K_IC)

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

Charpy V-Notch Impact (RT)

55 J40.6 ft·lbf
95 J70.1 ft·lbf

Hardness, Brinell

90 HB
95 HB

Hardness, Rockwell B

50 HRB
55 HRB

Hardness, Vickers

95 HV
100 HV

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

Physical

Density and transition temperatures.

Density

7.85 g/cm³0.28 lb/in³
7.87 g/cm³0.28 lb/in³

Melting Point (Solidus)

1,465°C2,669 °F
1,495°C2,723 °F

Liquidus Temperature

1,520°C2,768 °F
1,525°C2,777 °F

Thermal

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

Thermal Conductivity

52 W/m·K30 BTU/hr·ft·°F
49.8 W/m·K28.8 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

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

Latent Heat of Fusion

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

Max Service Temperature (continuous)

350°C662 °F
400°C752 °F

Min Service Temperature

-10°C14 °F
-30°C-22 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

11.5 % IACS
12 % IACS

Electrical Resistivity

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).

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

58 / 100
42 / 100

Formability (cold)

85 / 100
90 / 100

Brazeability / Solderability

75 / 100
80 / 100

Polishability

45 / 100
40 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 55% · Weldability 95 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

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

Embodied Carbon (primary production)

2 kg CO₂/kg
1.9 kg CO₂/kg

Embodied Water

60 L/kg7.2 gal/lb
35 L/kg4.2 gal/lb

Same in both: Typical Recycled Content 30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

38 kN·m/kg
41 kN·m/kg

Specific Stiffness (E / density)

26.8 MN·m/kg
25.4 MN·m/kg

Modulus of Resilience

86 kJ/m³
81 kJ/m³

Thermal Shock Resistance Index

6
7

Same in both: Thermal Diffusivity 14.1 mm²/s

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 scale10101.0031

Manufacturing and finishing

Capability1.00311010
CNC machining—Yes
Sheet metal—Yes
Default condition—HR
Relative cost$ Budget$ Budget
Min. machined wall—0.8 mm
Best machined surface—Ra 1.6 µm
AlCrN—Yes
AlTiN—Yes
Black Oxide—Yes
CVD Al2O3—Yes
CVD TiCN—Yes
CVD TiN—Yes
Cerakote—Yes
Chrome Plating—Yes
CrN—Yes
DLC—Yes
E-Coating—Yes
HVOF Coating—Yes
Hot-Dip Galvanizing—Yes
MoS2—Yes
Multilayer CVD—Yes
Nickel Plating—Yes
PTFE Coating—Yes
Painting—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.

1.0031 vs 1010 — frequently asked

Is 1.0031 stronger than 1010?

Yes. 1.0031 has a typical yield strength of 190 MPa (27.6 ksi) against 180 MPa (26.1 ksi) for 1010 — about 6% more. Tensile strength is 300 MPa (43.5 ksi) vs 325 MPa (47.1 ksi).

Which is cheaper, 1.0031 or 1010?

Both sit in the same relative cost tier ($, budget); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which is easier to machine, 1.0031 or 1010?

1.0031. Its machinability rates good (58/100) against fair (42/100) for 1010.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.0031 and 1010 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.