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Steel E260 +C vs E260 +LC

Steel · E260 temper comparison

E260 +C and E260 +LC are two conditions of the same steel grade, E260: +C (cold drawn) versus +LC (annealed then lightly cold worked). The chemistry is identical, so every difference below comes from the condition. E260 +C is the stronger of the two: yield strength 380 MPa (55.1 ksi) against 275 MPa (39.9 ksi) for E260 +LC, about 38% more; tensile strength follows at 470 MPa (68.2 ksi) vs 380 MPa (55.1 ksi). In exchange, E260 +LC is the more ductile: elongation 20% versus 8% for E260 +C, and E260 +C is harder (150 HB vs 118 HB). E260 +LC runs hotter in service (350°C vs 300°C continuous). On the shop floor, E260 +C machines more easily (very good vs good).

E260 +CChoose it when strength drives the design, or when the part is machined in volume.

E260 +LCChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.

E260 +C vs E260 +LC: properties

E260 +CE260 +LC

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

470 MPa68.2 ksi
380 MPa55.1 ksi

Yield Strength (0.2% offset)

380 MPa55.1 ksi
275 MPa39.9 ksi

Elongation at Break

8%
20%

Reduction in Area

40%
60%

Compressive Strength

380 MPa55.1 ksi
275 MPa39.9 ksi

Shear Strength

285 MPa41.3 ksi
230 MPa33.4 ksi

Fatigue Strength (Endurance Limit)

210 MPa30.5 ksi
175 MPa25.4 ksi

Fracture Toughness (K_IC)

100 MPa·√m91 ksi·√in
135 MPa·√m123 ksi·√in

Charpy V-Notch Impact (RT)

25 J18.4 ft·lbf
55 J40.6 ft·lbf

Hardness, Brinell

150 HB
118 HB

Hardness, Rockwell B

80 HRB
67 HRB

Hardness, Vickers

158 HV
124 HV

Same in both: Elastic (Young's) Modulus 210 GPa30.5 Msi · Shear Modulus 81 GPa11.7 Msi · Bulk Modulus 160 GPa23.2 Msi · Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Same in both: Density 7.85 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,495°C2,723 °F · Liquidus Temperature 1,520°C2,768 °F

Thermal

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

Max Service Temperature (continuous)

300°C572 °F
350°C662 °F

Same in both: Thermal Conductivity 51 W/m·K29.5 BTU/hr·ft·°F · Specific Heat Capacity 475 J/kg·K0.11 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 12 µm/m·K6.7 µin/in·°F · Latent Heat of Fusion 247 J/g106 BTU/lb · Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

10.3 % IACS
10.8 % IACS

Electrical Resistivity

1.63×10⁻⁷ Ω·m6.42 µΩ·in
1.6×10⁻⁷ Ω·m6.3 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

70 / 100
60 / 100

Machinability Rating (AISI 1212 = 100 %)

72%
62%

Weldability

88 / 100
95 / 100

Formability (cold)

50 / 100
80 / 100

Same in both: Brazeability / Solderability 75 / 100 · Polishability 50 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 28 MJ/kg12,038 BTU/lb · Embodied Carbon (primary production) 2.1 kg CO₂/kg · Embodied Water 40 L/kg4.8 gal/lb · Typical Recycled Content 25%

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 scaleE260

E260 +C vs E260 +LC — frequently asked

Is E260 +C stronger than E260 +LC?

Yes. E260 +C has a typical yield strength of 380 MPa (55.1 ksi) against 275 MPa (39.9 ksi) for E260 +LC — about 38% more. Tensile strength is 470 MPa (68.2 ksi) vs 380 MPa (55.1 ksi).

Which condition does FabDigit quote by default, +C or +LC?

Specify the condition in the material field or the drawing note; FabDigit prices the quote for the state you call out.

Which is easier to machine, E260 +C or E260 +LC?

E260 +C. Its machinability rates very good (70/100) against good (60/100) for E260 +LC; for welding the order is E260 +LC first (excellent, 95/100) then E260 +C (excellent, 88/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in E260 +C and E260 +LC 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.