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Steel 1070 vs C60

Steel · grade comparison

Steel 1070 and C60 are both steel grades. C60 is the stronger of the two: yield strength 420 MPa (60.9 ksi) against 385 MPa (55.8 ksi) for 1070, about 9% more; tensile strength follows at 775 MPa (112 ksi) vs 690 MPa (100 ksi). C60 is the more ductile: elongation 16% versus 13% for 1070, and C60 is harder (229 HB vs 201 HB). C60 runs hotter in service (350°C vs 300°C continuous). On the shop floor, C60 sits in a lower cost tier (budget, $) than 1070 (standard, $$).

C60Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

1070 vs C60: properties

1070C60

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

205 GPa29.7 Msi
207 GPa30 Msi

Tensile Strength (Ultimate)

690 MPa100 ksi
775 MPa112 ksi

Yield Strength (0.2% offset)

385 MPa55.8 ksi
420 MPa60.9 ksi

Elongation at Break

13%
16%

Reduction in Area

30%
40%

Shear Strength

450 MPa65.3 ksi
465 MPa67.4 ksi

Fatigue Strength (Endurance Limit)

320 MPa46.4 ksi
350 MPa50.8 ksi

Fracture Toughness (K_IC)

45 MPa·√m41 ksi·√in
50 MPa·√m45.5 ksi·√in

Charpy V-Notch Impact (RT)

12 J8.9 ft·lbf
11 J8.1 ft·lbf

Hardness, Brinell

201 HB
229 HB

Hardness, Rockwell B

93 HRB
98 HRB

Hardness, Vickers

211 HV
240 HV

Compressive Strength

—
430 MPa62.4 ksi

Hardness, Rockwell C

—
20 HRC

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.

Density

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

Melting Point (Solidus)

1,425°C2,597 °F
1,420°C2,588 °F

Same in both: Liquidus Temperature 1,480°C2,696 °F

Thermal

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

Thermal Conductivity

49 W/m·K28.3 BTU/hr·ft·°F
48 W/m·K27.7 BTU/hr·ft·°F

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

11.5 µm/m·K6.4 µin/in·°F
11.3 µm/m·K6.3 µin/in·°F

Max Service Temperature (continuous)

300°C572 °F
350°C662 °F

Same in both: Latent Heat of Fusion 250 J/g107 BTU/lb · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

9 % IACS
9.6 % IACS

Electrical Resistivity

1.9×10⁻⁷ Ω·m7.48 µΩ·in
1.8×10⁻⁷ Ω·m7.09 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.61 V
-0.65 V

Corrosion Resistance

9 / 100
10 / 100

Manufacturability

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

Formability (cold)

30 / 100
35 / 100

Brazeability / Solderability

45 / 100
55 / 100

Polishability

65 / 100
70 / 100

Same in both: Machinability 45 / 100 · Machinability Rating (AISI 1212 = 100 %) 55% · Weldability 20 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Water

45 L/kg5.4 gal/lb
55 L/kg6.6 gal/lb

Same in both: Embodied Energy (primary production) 25 MJ/kg10,748 BTU/lb · Embodied Carbon (primary production) 2.1 kg CO₂/kg · Typical Recycled Content 25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

88 kN·m/kg
99 kN·m/kg

Specific Stiffness (E / density)

26.1 MN·m/kg
26.4 MN·m/kg

Modulus of Resilience

362 kJ/m³
426 kJ/m³

Thermal Diffusivity

13.3 mm²/s
12.9 mm²/s

Thermal Shock Resistance Index

14
16

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 scale1070C60

Manufacturing and finishing

Capability1070C60
CNC machiningYes—
Sheet metalYes—
Default conditionHR—
Relative cost$$ Standard$ Budget
Min. machined wall0.8 mm—
Best machined surfaceRa 1.6 µm—
AlCrNYes—
AlTiNYes—
Black OxideYes—
CVD Al2O3Yes—
CVD TiCNYes—
CVD TiNYes—
CerakoteYes—
Chrome PlatingYes—
CrNYes—
DLCYes—
E-CoatingYes—
HVOF CoatingYes—
Hot-Dip GalvanizingYes—
MoS2Yes—
Multilayer CVDYes—
Nickel PlatingYes—
PTFE CoatingYes—
PaintingYes—

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

1070 vs C60 — frequently asked

Is C60 stronger than 1070?

Yes. C60 has a typical yield strength of 420 MPa (60.9 ksi) against 385 MPa (55.8 ksi) for 1070 — about 9% more. Tensile strength is 775 MPa (112 ksi) vs 690 MPa (100 ksi).

Which is cheaper, 1070 or C60?

C60 is the lower-cost material: it sits in the budget tier ($) while 1070 is standard ($$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose 1070 over C60?

Pick C60 when strength drives the design, or when the part is bent, formed or impact-loaded.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1070 and C60 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.