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Steel A285 vs P265NL

Steel · grade comparison

Steel A285 and P265NL are both steel grades. P265NL is the stronger of the two: yield strength 300 MPa (43.5 ksi) against 250 MPa (36.3 ksi) for A285, about 20% more. On the shop floor, P265NL sits in a lower cost tier (budget, $) than A285 (standard, $$).

P265NLChoose it when strength drives the design, or when cost is the deciding factor.

A285 vs P265NL: properties

A285P265NL

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

200 GPa29 Msi
210 GPa30.5 Msi

Shear Modulus

79 GPa11.5 Msi
81 GPa11.7 Msi

Poisson's Ratio

0.29
0.3

Tensile Strength (Ultimate)

450 MPa65.3 ksi
470 MPa68.2 ksi

Yield Strength (0.2% offset)

250 MPa36.3 ksi
300 MPa43.5 ksi

Elongation at Break

30%
28%

Reduction in Area

55%
60%

Compressive Strength

250 MPa36.3 ksi
300 MPa43.5 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
205 MPa29.7 ksi

Fracture Toughness (K_IC)

100 MPa·√m91 ksi·√in
120 MPa·√m109 ksi·√in

Charpy V-Notch Impact (RT)

40 J29.5 ft·lbf
180 J133 ft·lbf

Hardness, Brinell

130 HB
132 HB

Hardness, Rockwell B

72 HRB
73 HRB

Hardness, Vickers

—
140 HV

Same in both: Bulk Modulus 160 GPa23.2 Msi · Shear Strength 290 MPa42.1 ksi

Physical

Density and transition temperatures.

Same in both: Density 7.85 g/cm³0.28 lb/in³ · Melting Point (Solidus) 1,460°C2,660 °F · Liquidus Temperature 1,515°C2,759 °F

Thermal

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

Thermal Conductivity

51 W/m·K29.5 BTU/hr·ft·°F
50 W/m·K28.9 BTU/hr·ft·°F

Specific Heat Capacity

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

Latent Heat of Fusion

250 J/g107 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

425°C797 °F
400°C752 °F

Min Service Temperature

-29°C-20 °F
-50°C-58 °F

Same in both: Thermal Expansion (CTE, 20–100 °C) 12 µm/m·K6.7 µin/in·°F

Electrical

Conductivity and insulation.

Electrical Conductivity

10.8 % IACS
10 % IACS

Electrical Resistivity

1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.7×10⁻⁷ Ω·m6.69 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.62 V
-0.65 V

Same in both: Corrosion Resistance 10 / 100

Manufacturability

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

Machinability

68 / 100
62 / 100

Weldability

92 / 100
90 / 100

Formability (cold)

82 / 100
75 / 100

Brazeability / Solderability

60 / 100
65 / 100

Polishability

40 / 100
50 / 100

Castability

—
40 / 100

Same in both: Machinability Rating (AISI 1212 = 100 %) 65%

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

1.9 kg CO₂/kg
2.1 kg CO₂/kg

Embodied Water

30 L/kg3.6 gal/lb
45 L/kg5.4 gal/lb

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

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

57 kN·m/kg
60 kN·m/kg

Specific Stiffness (E / density)

25.5 MN·m/kg
26.8 MN·m/kg

Modulus of Resilience

156 kJ/m³
214 kJ/m³

Thermal Shock Resistance Index

10
9

Same in both: Thermal Diffusivity 13.8 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 scaleA285P265NL

Manufacturing and finishing

CapabilityA285P265NL
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.

A285 vs P265NL — frequently asked

Is P265NL stronger than A285?

Yes. P265NL has a typical yield strength of 300 MPa (43.5 ksi) against 250 MPa (36.3 ksi) for A285 — about 20% more. Tensile strength is 470 MPa (68.2 ksi) vs 450 MPa (65.3 ksi).

Which is cheaper, A285 or P265NL?

P265NL is the lower-cost material: it sits in the budget tier ($) while A285 is standard ($$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, A285 or P265NL?

A285, by a small margin. Both rate good for machinability — 68/100 against 62/100 for P265NL.

Ready to make it?

Upload a CAD file and FabDigit prices the part in A285 and P265NL 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.