Nimonic Alloy 263 Round Bar

Nimonic Alloy 263 

Specification of Nimonic Alloy 263 Round Bars :-

  • Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
  • Grade : Nimonic 263 (UNS No. N07263) Round Bars 2.4650
  • Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
  • Form : Round, Square, Hex (A/F), Rectangle, Forging Etc.
  • Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
  • Application : Chemical process, Food processing, Petrochemical, Pollution control, Pulp and Paper, Refining
  • Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
  • Our Nimonic Alloy 263 Round Bars conforms to NACE MR0175/ISO 15156

Nimonic 263 bar Standard Inventory Specifications :-

UNS N07623

AMS 5872

W.Nr. 2.4650

B50A774

Predominantly produced by AOD-ESR melt method. Hot worked, solution treated (annealed), then descaled

SAE AMS 5872


Equivalent Grades of ASTM B348 Nimonic 263 bars :
STANDARDWERKSTOFF NR.UNS
Nimonic Alloy 2632.4650N07263
Chemical Composition of Nimonic 263 material :
GradeCCrCoTiAlSiCuMn
Nimonic Alloy 2630.04-0.0819 – 2119 – 211.90 – 2.400.60 max0.40 max0.20 max0.60 max

Technical Data of Nimonic 263 bar :
Technical Data
Typical part accuracy (Quote<150mm)± 0.2 – 0.3 mm
Typical part accuracy (Quote>=150mm)± 0.05 every 25mm
Surface roughness as builtRa 6 – 7 μm
Surface Roughness (after machining)Ra < 1.6µm

Physical properties of Nimonic 263 bar :
Physical propertiesRelative densityApprox. 99,8 %
Density8,36 g/cm3
Nimonic 263 bar Heat Treatment :
Heat TreatmentTemperatureTime
Hardering0° – 1150°
-1150°2
-1150° – 0°
Aging0° – 800°
-800°8
-800° – 0°

Mechanical properties of Nimonic 263 bar :
Mechanical propertiesTest MethodAs BuiltHeat Treated
Tensile strengthISO 6892-1:2009(B) Annex D900 ± 40 MPa1100 ± 30 MPa
Yield strength (Rp 0.2 %)ISO 6892-1:2009(B) Annex D650 ± 40 MPa800 ± 30 MPa
Elongation at breakISO 6892-1:2009(B) Annex D40 ± 5 %35 ± 5 %
Young’s Modulus220 ± 15 MPa220 ± 15 MPa

Thermal Properties of Nimonic 263 bar :
The thermal properties of Nimonic Alloy 263™ are given below.
PropertiesMetricImperial
Thermal expansion co-efficient (@21-100°C/69.8-212°F)10.3 µm/m°C5.72 µin/in°F
Thermal conductivity11.7 W/mK81.2 BTU in/hr.ft².°F