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Steel P265TR2 +N (Normalized)

Heat-treated state · default condition

EN 1.0259

Standard delivery condition for pressure tube — best combination of guaranteed yield, elongation and 0 °C impact energy.

Budget cost $

Values for the +N condition

Other P265TR2 tempers and conditions

P265TR2 is listed in 6 conditions; see the grade overview at P265TR2.

Compare all 6 conditionsHide
Condition · open for datasheetBest forYield MPaTensile MPaElong. %HardnessConductivity
Annealed
Maximum ductility for severe cold forming, tube expanding and deep bending; lowest strength of the set.25542030115 HB11.5 % IACS
+NDefaultThis page
Normalized
Standard delivery condition for pressure tube — best combination of guaranteed yield, elongation and 0 °C impact energy.30047025130 HB—
Hot rolled
Cheapest welded-tube condition where the mechanical and impact requirements are already met as rolled.31048024135 HB11 % IACS
Cold drawn, lightly cold worked after annealing
Choose when precision dimensions must be combined with good bending and flaring ability.35047014150 HB11 % IACS
Stress relieved
Cold-drawn strength retained but residual stress removed — best for hydraulic lines that must stay straight after cutting.40051012160 HB11 % IACS
Cold drawn
Precision tube condition for tight tolerance and high strength where only limited further bending is needed.4605608178 HB10.5 % IACS

What is P265TR2 +N?

P265TR2 +N is P265TR2 heat treated to +N — standard delivery condition for pressure tube — best combination of guaranteed yield, elongation and 0 °C impact energy. P265TR2 +N has a yield strength of 300 MPa (43.5 ksi) and a tensile strength of 470 MPa (68.2 ksi) — weaker than 86% of steel grades. Elongation at break is 25% and the elastic modulus is 210 GPa (30.5 Msi). P265TR2 +N has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,495°C (2,723 °F).

Advantages

  • High electrical conductivity — 11 % IACS, better than 98% of steel grades
  • Easy to machine — 65/100, better than 93% of steel grades
  • Readily welded — 92/100, better than 93% of steel grades
  • Forms and bends easily — 80/100, better than 93% of steel grades
  • Low embodied carbon — 1.9 kg CO₂/kg, better than 92% of steel grades

Limitations

  • Low strength — 300 MPa (43.5 ksi), worse than 86% of steel grades
  • Limited service temperature — 300°C (572 °F), worse than 78% of steel grades

P265TR2 +N properties

Typical room-temperature values for P265TR2 +N; 10 are specific to this condition. Other listed values are P265TR2 reference data and may not represent this condition. Bars are the position among steel grades.

Physical3

P265TR2 +N has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,495°C (2,723 °F).

Density7.85 g/cm³0.28 lb/in³
Melting Point (Solidus)1,495°C2,723 °F
Liquidus Temperature1,525°C2,777 °F

Mechanical16

P265TR2 +N has a yield strength of 300 MPa (43.5 ksi) and a tensile strength of 470 MPa (68.2 ksi) — weaker than 86% of steel grades. Elongation at break is 25% and the elastic modulus is 210 GPa (30.5 Msi).

Elastic (Young's) Modulus210 GPa30.5 Msi
Shear Modulus81 GPa11.7 Msi
Bulk Modulus160 GPa23.2 Msi
Poisson's Ratio0.29
Tensile Strength (Ultimate)470 MPa68.2 ksi
Yield Strength (0.2% offset)300 MPa43.5 ksi
Elongation at Break25%
Reduction in Area55%
Compressive Strength300 MPa43.5 ksi
Shear Strength330 MPa47.9 ksi
Fatigue Strength (Endurance Limit)210 MPa30.5 ksi
Fracture Toughness (K_IC)100 MPa·√m91 ksi·√in
Charpy V-Notch Impact (RT)60 J44.3 ft·lbf
Hardness, Brinell130 HB
Hardness, Rockwell B72 HRB
Hardness, Vickers138 HV

Thermal6

P265TR2 +N is rated for continuous service to 300°C (572 °F). It conducts heat at 50 W/m·K (28.9 BTU/hr·ft·°F), better than 87% of steel grades. Thermal expansion is 12 µm/m·K (6.67 µin/in·°F).

Thermal Conductivity50 W/m·K28.9 BTU/hr·ft·°F
Specific Heat Capacity461 J/kg·K0.11 BTU/lb·°F
Thermal Expansion (CTE, 20–100 °C)12 µm/m·K6.7 µin/in·°F
Latent Heat of Fusion247 J/g106 BTU/lb
Max Service Temperature (continuous)300°C572 °F
Min Service Temperature-10°C14 °F

Electrical3

P265TR2 +N conducts electricity at 11 % IACS, better than 98% of steel grades.

Electrical Conductivity11 % IACS
Electrical Resistivity1.6×10⁻⁷ Ω·m6.3 µΩ·in
Magnetic Responseferromagnetic

Chemical & Environmental3

Corrosion resistance is not recommended (12/100), worse than 53% of steel grades.

Galvanic Potential (seawater, vs SCE)-0.62 V
Corrosion ResistanceNot recommended12/100
Chemical Resistance SummaryGood in dry air, neutral oils, steam and alkaline media; rusts rapidly in humid air, seawater and any acid; no resistance to chlorides or CO₂-saturated water — requires paint, galvanizing or inhibitor.

Sustainability4

Producing a kilogram of P265TR2 +N takes about 25 MJ of energy and emits 1.9 kg of CO₂ — less than 82% of steel grades. Typical recycled content is 30%.

Embodied Energy (primary production)25 MJ/kg10,748 BTU/lb
Embodied Carbon (primary production)1.9 kg CO₂/kg
Embodied Water50 L/kg6 gal/lb
Typical Recycled Content30%

Manufacturability6

P265TR2 +N's machinability is good (65/100, better than 93% of steel grades); weldability excellent (92/100); formability very good (80/100).

MachinabilityGood65/100
Machinability Rating (AISI 1212 = 100 %)70%
WeldabilityExcellent92/100
Formability (cold)Very good80/100
Brazeability / SolderabilityVery good70/100
PolishabilityFair50/100

Common Calculations5

Specific Strength (UTS / density)calculated60 kN·m/kg
Specific Stiffness (E / density)calculated26.8 MN·m/kg
Modulus of Resiliencecalculated214 kJ/m³
Thermal Diffusivitycalculated13.8 mm²/s
Thermal Shock Resistance Indexcalculated9

Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.

Working with P265TR2 +N

Is P265TR2 easy to machine?

Machines like 1018/1020 — use sharp positive-rake tools and generous feed to avoid built-up edge and gummy chips; cold-drawn (+C) condition cuts and chips more cleanly than annealed.

Can P265TR2 be welded?

Excellent weldability with SMAW/GTAW/GMAW/SAW using E7018 or ER70S-6 class filler; CEV ≤ 0.40 means no preheat below ~20 mm, keep interpass moderate to preserve fine-grain toughness.

Can P265TR2 be formed, bent or molded?

Cold bends to about 2–3×D in +N or +A condition and passes the standard flattening/flaring tests; hot form at 850–1000 °C followed by renormalizing to restore TR2 impact values.

What surface finishes work on P265TR2?

No natural corrosion resistance — specify shot blast plus primer/paint, hot-dip galvanizing, phosphate + oil or zinc-nickel plating for service; polishes only to a modest mechanical finish.

P265TR2 chemical composition (wt %)

Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.

ElementSpec limit (wt %)Nominal
Cladle analysis≤ 0.20.16
Si≤ 0.40.25
Mn0.4 – 1.41
P≤ 0.030.02
S≤ 0.020.01
Altotal Al, fine-grain / fully killed practice≥ 0.020.03
CrCr+Cu+Mo+Ni ≤ 0.70≤ 0.30.05
Cu≤ 0.30.1
Mo≤ 0.080.02
Ni≤ 0.30.05
Nbmicro-alloy, grain refinement≤ 0.050.01
Ti≤ 0.040.01
V≤ 0.050.01
Febalance; CEV ≤ 0.40 typicalbalance—

P265TR2 +N — frequently asked

What is P265TR2 +N used for?

P265TR2 +N is typically used for hydraulic cylinder tubes for cold-climate equipment, pneumatic tube fittings, machinery structural tubes and agricultural equipment tubing. In short: tougher than P265TR1; impact-tested tube grade; fine-grain weldable steel.

What is the yield strength of P265TR2 +N?

P265TR2 +N has a typical yield strength of 300 MPa (43.5 ksi) and a tensile strength of 470 MPa (68.2 ksi) — weaker than 86% of steel grades. Strength varies by condition: see the 6 listed tempers.

Is P265TR2 +N easy to machine?

Reasonably — machinability is rated good (65/100, better than 93% of steel grades). Machines like 1018/1020 — use sharp positive-rake tools and generous feed to avoid built-up edge and gummy chips; cold-drawn (+C) condition cuts and chips more cleanly than annealed.

Can P265TR2 +N be welded?

Yes — weldability is rated excellent (92/100). Excellent weldability with SMAW/GTAW/GMAW/SAW using E7018 or ER70S-6 class filler; CEV ≤ 0.40 means no preheat below ~20 mm, keep interpass moderate to preserve fine-grain toughness.

What surface finishes work on P265TR2 +N?

No natural corrosion resistance — specify shot blast plus primer/paint, hot-dip galvanizing, phosphate + oil or zinc-nickel plating for service; polishes only to a modest mechanical finish.

Can P265TR2 +N be formed, bent or molded?

Cold bends to about 2–3×D in +N or +A condition and passes the standard flattening/flaring tests; hot form at 850–1000 °C followed by renormalizing to restore TR2 impact values.

What is the maximum service temperature of P265TR2 +N?

P265TR2 +N is rated for continuous use to about 300°C (572 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.

Sources

  1. EN 10216-1 Seamless steel tubes for pressure purposes — Non-alloy steel tubes with specified room temperature properties — CEN (2013)
  2. EN 10217-1 Welded steel tubes for pressure purposes — Non-alloy steel tubes with specified room temperature properties — CEN (2019)
  3. EN 10305-1/-2 Steel tubes for precision applications — Delivery conditions +C, +LC, +SR, +A, +N — CEN (2016)
  4. EN 10027-2 / Werkstoffnummer 1.0259 — CEN (2015)
  5. ASM Handbook Vol.1 — Properties and Selection: Irons, Steels and High-Performance Alloys — ASM International (1990)
  6. ASM Handbook Vol.19 — Fatigue and Fracture — ASM International (1996)

Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.