Datasheet updated

2024-01-11 10:29
(supersedes all previous editions)

Alleima® 2RK65 HV is a vacuum arc-remelted high-alloy austenitic stainless steel with very high cleanliness resulting in good polishability. The grade is also characterized by very good overall corrosion resistance and good weldability.

Standards

  • ASTM: '904L'
  • UNS: N08904
  • EN Number: 1.4539
  • EN Name: X1NiCrMoCu25-20-5
  • W.Nr.: 1.4539
  • DIN: X 1 NiCrMoCu 25 20 5
  • SS: 2562
  • AFNOR: Z1NCDU25-20-4

Chemical composition (nominal)

Chemical composition (nominal) %
C Si Mn P S Cr Ni Mo Cu
≤0.020 0.5 1.8 ≤0.025 ≤0.015 20 25 4.5 1.5

Mechanical properties

At 20°C (68°F)

The following figures apply to material in the solution annealed condition.

Proof strength
Rp0.2a)
MPa ksi
min. min.
Rp1.0a)
MPa
min.
ksi
min.
Tensile strength
Rm
MPa ksi
Elong.
Ab) A2"
% %
min. min.
Hardness Vickers.
approx.
230 33 250 36 520-720 75-104 35c) 35 160

1 MPa = 1 N/mm2
a) Rp0.2 and Rp1.0 correspond to 0.2% offset and 1.0% offset yield strength, respectively.
b) Based on L0 = 5.65 ÖS0 where L0 is the original gauge length and S0 the original cross-section area.

Physical properties

Density: 8.0 g/cm3, 0.29 lb/in3

Thermal conductivity
Temperature, °CW/(m °C)Temperature, °FBtu/(ft h °F)
20 12 68 7
100 14 200 8
200 16 400 9
300 18 600 10.5
400 20 800 11.5
500 22 1000 13
600 23 1200 14
700 25 1300 14.5
Specific heat capacity
Temperature, °CJ/(kg °C)Temperature, °FBtu/(lb °F)
20 460 68 0.11
100 485 200 0.12
200 515 400 0.12
300 545 600 0.13
400 570 800 0.14
500 590 1000 0.14
600 605 1200 0.15
700 615 1300 0.15
Temperature, °CPer °CTemperature, °FPer °F
30-100 15.5 86-200 8.5
30-200 16 86-400 9
30-300 16.5 86-600 9
30-400 17 86-800 9.5
30-500 17 86-1000 9.5
30-600 17.5 86-1200 9.5
30-700 17.5 86-1300 10
Temperature, °CμΩmTemperature, °FμΩin.
20 0.94 68 37.0
100 0.99 200 38.8
200 1.07 400 42.2
300 1.13 600 44.6
400 1.15 800 45.5
500 1.17 1000 45.8
600 1.15 1200 45.9
700 1.18 1300 46.5
Temperature, °CMPaTemperature, °Fksi
20 195 68 28.5
100 190 200 27.5
200 182 400 26.5
300 174 600 25
400 166 800 24
500 158 1000 22.5

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Alleima materials.