Steel P460NL1 N >16-35
Finish state
EN 1.8915
Medium-thickness vessel shell plate; yield derated to 440 MPa minimum.
Values for the N >16-35 condition
Other P460NL1 tempers and conditions
P460NL1 is listed in 8 conditions; see the grade overview at P460NL1.
Compare all 8 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
N | Maximum standard thickness range; lowest guaranteed strength, order with through-thickness testing. | 420 | 580 | 25 | 168 HB | 8 % IACS |
N | Very heavy plate; yield minimum 400 MPa and lower through-thickness toughness. | 440 | 600 | 24 | 172 HB | 8 % IACS |
N | Thick plate for nozzles/flange rings; yield minimum 420 MPa, preheat needed for welding. | 460 | 610 | 24 | 175 HB | 8 % IACS |
N | Heavy shell/tubesheet plate; yield minimum 430 MPa. | 470 | 620 | 23 | 178 HB | 8 % IACS |
N | For flanges, nozzles and heavy fittings matched to P460NL1 plate; properties measured on section-specific test pieces. | 470 | 610 | 22 | 180 HB | 8 % IACS |
N >16-35This page N | Medium-thickness vessel shell plate; yield derated to 440 MPa minimum. | 480 | 630 | 23 | 180 HB | 8 % IACS |
Normalized then stress relieved / simulated PWHT | Order this when the vessel will see PWHT (e.g. 530–620 °C) so certified properties reflect the delivered-plus-heat-treated state. | 480 | 610 | 24 | 175 HB | 8 % IACS |
NDefault Normalized | Standard stocked condition for thin/medium low-temperature vessel plate with full 460 MPa yield. | 500 | 640 | 22 | 185 HB | 8 % IACS |
What is P460NL1 N >16-35?
P460NL1 N >16-35 is P460NL1 supplied in the N >16-35 condition — medium-thickness vessel shell plate; yield derated to 440 MPa minimum. P460NL1 N >16-35 has a yield strength of 480 MPa (69.6 ksi) and a tensile strength of 630 MPa (91.4 ksi) — stronger than 59% of steel grades. Elongation at break is 23% and the elastic modulus is 210 GPa (30.5 Msi). P460NL1 N >16-35 has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,450°C (2,642 °F). N is the default condition FabDigit quotes; N >16-35 is available on request or by drawing note.
Advantages
- Readily welded — 80/100, better than 79% of steel grades
- Tough — resists crack growth — 115 MPa·√m (104.7 ksi·√in), better than 77% of steel grades
P460NL1 N >16-35 properties
Typical room-temperature values for P460NL1 N >16-35; 22 are specific to this condition. Other listed values are P460NL1 reference data and may not represent this condition. Bars are the position among steel grades.
Physical3
P460NL1 N >16-35 has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,450°C (2,642 °F).
Mechanical16
P460NL1 N >16-35 has a yield strength of 480 MPa (69.6 ksi) and a tensile strength of 630 MPa (91.4 ksi) — stronger than 59% of steel grades. Elongation at break is 23% and the elastic modulus is 210 GPa (30.5 Msi).
Thermal6
P460NL1 N >16-35 is rated for continuous service to 400°C (752 °F). It conducts heat at 44 W/m·K (25.4 BTU/hr·ft·°F), better than 57% of steel grades. Thermal expansion is 12 µm/m·K (6.67 µin/in·°F).
Electrical3
P460NL1 N >16-35 conducts electricity at 8 % IACS, better than 55% of steel grades.
Chemical & Environmental3
Corrosion resistance is not recommended (12/100), worse than 53% of steel grades.
Sustainability4
Producing a kilogram of P460NL1 N >16-35 takes about 25 MJ of energy and emits 2.1 kg of CO₂ — less than 82% of steel grades. Typical recycled content is 25%.
Manufacturability6
P460NL1 N >16-35's machinability is good (55/100, better than 62% of steel grades); weldability very good (80/100); formability good (58/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with P460NL1 N >16-35
Is P460NL1 easy to machine?
Machines like a normalized 500 MPa C-Mn steel — rigid setups, coated carbide, 120–200 m/min turning; free from hard phases but somewhat gummy due to low sulphur.
Can P460NL1 be welded?
Readily welded by SMAW/GMAW/SAW with matched low-temperature-toughness consumables; limit heat input, use hydrogen-controlled electrodes and preheat 100–150 °C above ~35 mm, PWHT 530–620 °C where required.
Can P460NL1 be formed, bent or molded?
Cold-forms and rolls into shells with generous radii (≈3t bend radius); hot forming should end above 850 °C and be followed by re-normalizing to restore -40 °C toughness.
What surface finishes work on P460NL1?
No anodizing; shot-blast to Sa 2½ then epoxy/zinc-rich primer, hot-dip galvanizing or metallizing for outdoor and marine service.
P460NL1 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.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| Cladle analysis | ≤ 0.2 | 0.16 |
| Si | ≤ 0.6 | 0.4 |
| Mn | 1 – 1.7 | 1.45 |
| P | ≤ 0.03 | 0.02 |
| S | ≤ 0.01 | 0 |
| Altotal Al, grain refinement | ≥ 0.02 | 0.04 |
| N | ≤ 0.03 | 0.01 |
| Cr | ≤ 0.3 | 0.1 |
| Niaids low-temperature toughness | ≤ 0.8 | 0.2 |
| Cu | ≤ 0.7 | 0.15 |
| Mo | ≤ 0.1 | 0.03 |
| Nbmicro-alloy; Nb+Ti+V restricted | ≤ 0.05 | 0.03 |
| Ti | ≤ 0.03 | 0.01 |
| V | ≤ 0.2 | 0.06 |
| Zr | ≤ 0.05 | — |
| Fe | balance | — |
P460NL1 N >16-35 — frequently asked
What is P460NL1 N >16-35 used for?
P460NL1 N >16-35 is typically used for pressure vessels, boilers, LPG and cryogenic storage tanks and piping components. In short: low-temperature vessel steel; toughness to -40 °C; 400 °C service limit.
What is the yield strength of P460NL1 N >16-35?
P460NL1 N >16-35 has a typical yield strength of 480 MPa (69.6 ksi) and a tensile strength of 630 MPa (91.4 ksi) — stronger than 59% of steel grades. Strength varies by condition: see the 8 listed tempers.
Is P460NL1 N >16-35 easy to machine?
Reasonably — machinability is rated good (55/100, better than 62% of steel grades). Machines like a normalized 500 MPa C-Mn steel — rigid setups, coated carbide, 120–200 m/min turning; free from hard phases but somewhat gummy due to low sulphur.
Can P460NL1 N >16-35 be welded?
Yes — weldability is rated very good (80/100). Readily welded by SMAW/GMAW/SAW with matched low-temperature-toughness consumables; limit heat input, use hydrogen-controlled electrodes and preheat 100–150 °C above ~35 mm, PWHT 530–620 °C where required.
What surface finishes work on P460NL1 N >16-35?
No anodizing; shot-blast to Sa 2½ then epoxy/zinc-rich primer, hot-dip galvanizing or metallizing for outdoor and marine service.
Can P460NL1 N >16-35 be formed, bent or molded?
Cold-forms and rolls into shells with generous radii (≈3t bend radius); hot forming should end above 850 °C and be followed by re-normalizing to restore -40 °C toughness.
What is the maximum service temperature of P460NL1 N >16-35?
P460NL1 N >16-35 is rated for continuous use to about 400°C (752 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
Sources
- EN 10028-3 Flat products for pressure purposes — weldable fine grain steels, normalized — CEN (2017)
- EN 10216-3 Seamless steel tubes for pressure purposes — alloy fine grain steel tubes — CEN (2013)
- EN 13445-3 Unfired pressure vessels — Design (material data) — CEN (2021)
- ASM Handbook Vol. 1 — Properties and Selection: Irons, Steels — ASM International (1990)
- Normalized fine-grain pressure vessel plate datasheets (Dillinger / Voestalpine grade sheets) — Mill datasheets (2023)
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.