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Steel P265NL-A vs P265NL N+SR

Steel · P265NL temper comparison

P265NL-A and P265NL N+SR are two conditions of the same steel grade, P265NL: A (solution annealed) versus N+SR. The chemistry is identical, so every difference below comes from the condition. P265NL N+SR is the stronger of the two: yield strength 288 MPa (41.8 ksi) against 255 MPa (37 ksi) for P265NL-A, about 13% more; tensile strength follows at 450 MPa (65.3 ksi) vs 425 MPa (61.6 ksi). P265NL N+SR is harder — 125 HB against 118 HB for P265NL-A — which matters for wear surfaces and threads.

P265NL N+SRChoose it when strength drives the design, or when surface hardness matters.

P265NL-A vs P265NL N+SR: properties

P265NL-AP265NL N+SR

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

425 MPa61.6 ksi
450 MPa65.3 ksi

Yield Strength (0.2% offset)

255 MPa37 ksi
288 MPa41.8 ksi

Elongation at Break

33%
30%

Reduction in Area

65%
62%

Compressive Strength

255 MPa37 ksi
288 MPa41.8 ksi

Shear Strength

260 MPa37.7 ksi
280 MPa40.6 ksi

Fatigue Strength (Endurance Limit)

185 MPa26.8 ksi
198 MPa28.7 ksi

Fracture Toughness (K_IC)

115 MPa·√m105 ksi·√in
130 MPa·√m118 ksi·√in

Charpy V-Notch Impact (RT)

150 J111 ft·lbf
185 J136 ft·lbf

Hardness, Brinell

118 HB
125 HB

Hardness, Rockwell B

66 HRB
70 HRB

Hardness, Vickers

124 HV
132 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 0.3

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

52 W/m·K30 BTU/hr·ft·°F
50 W/m·K28.9 BTU/hr·ft·°F

Same in both: Specific Heat Capacity 460 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 270 J/g116 BTU/lb · Max Service Temperature (continuous) 400°C752 °F · Min Service Temperature -50°C-58 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

1.65×10⁻⁷ Ω·m6.5 µΩ·in
1.7×10⁻⁷ Ω·m6.69 µΩ·in

Same in both: Electrical Conductivity 10 % IACS

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) -0.65 V · Corrosion Resistance 10 / 100

Manufacturability

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

Machinability

58 / 100
64 / 100

Machinability Rating (AISI 1212 = 100 %)

60%
67%

Formability (cold)

85 / 100
78 / 100

Same in both: Weldability 90 / 100 · Castability 40 / 100 · Brazeability / Solderability 65 / 100 · Polishability 50 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 25 MJ/kg10,748 BTU/lb · Embodied Carbon (primary production) 2.1 kg CO₂/kg · Embodied Water 45 L/kg5.4 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 scaleP265NL

P265NL-A vs P265NL N+SR — frequently asked

Is P265NL N+SR stronger than P265NL-A?

Yes. P265NL N+SR has a typical yield strength of 288 MPa (41.8 ksi) against 255 MPa (37 ksi) for P265NL-A — about 13% more. Tensile strength is 450 MPa (65.3 ksi) vs 425 MPa (61.6 ksi).

Which condition does FabDigit quote by default, A or N+SR?

N is the default P265NL condition in the FabDigit quote flow (neither A nor N+SR). The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.

Which is easier to machine, P265NL-A or P265NL N+SR?

P265NL N+SR, by a small margin. Both rate good for machinability — 64/100 against 58/100 for P265NL-A.

Ready to make it?

Upload a CAD file and FabDigit prices the part in P265NL-A and P265NL N+SR 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.