| Customization: | Available |
|---|---|
| Product Type: | Strip |
| Material: | Ni42crtial |
|
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Ni Span C902 Iron Nickel Chromium Alloy (Ni42CrTiAl) (UNS N09902)
Sheet Thickness:0.1mm~3.5mm
Plate Thickness:3.5mm~40.0mm
Bar Dia 5.0mm~Dia180.0mm
Pipe OD 120mm~8.0mm,ID 8.0~129mm
Wire Dia 0.1mm-Dia5.0mm
Products Application
They are usually used for making instruments, wireless elastic sense organs, bellows, diaphragms.
Description
A precipitation hardenable Nickel-Iron-Chromium alloy having outstanding controllable thermoelastic coefficient characteristics and excellent oxidation resistance in high temperature atmospheres. The alloy can be processed to have a constant modulus of elasticity at temperatures ranging from -45 to +65oC (-50 to +150oF).
Parameter
TABLE 1 Cross Reference
Contury Name 1 Name 2
Russia 42HXTΙΟ H42XT
USA Ni-Span c902 Elinvar
Germany Ni-Span C
UK Ni-Span C
Japan Sumispan-3 EL-3
TABLE 2 Chemical Requirement
Element Composition,%
C ≤ 0.05
Si≤ 0.80
P≤ 0.020
S≤ 0.020
Mn≤ 0.80
Ni≤ 41.5-43.0
Cr 5.20-5.80
TI 2.3-2.70
Al 0.5-0.8
FE remainder
Notes:
1.the shape and dimensions of the alloys are in compliance with YB/T5256-1993
TABLE 3 Physical Requirement
Property Target
Density 8.0
Modulus of Elasticity(E/Empa) 176500-191000
Shear eleasticity(G/MPa) 63500-73500
Vickers Hardness(HV) 350-450
Staturation induction density(B600/T) 0.7
Mean Coefficient of Linear Expansion20-100ºC(10-6/K) 8.5
Resistivity p/(Ω°m) 1.1
TABLE 4 Yield Strengh(after the heat treatment)
Delivery State Thickness/mm Yield Stength/Mpa
Annealed 0.50-2.50 <685
Cold rolled 0.50-1.00 >885
TABLE 5 The temperature coefficient of the modulus of elasticity
Aging Temperature/ºC The temperature coefficient of the modulus of elasticityβE/(10-6/ºC)(-6~+80ºC)
Cold Rolling Annealed
500 -38~15 +18~+12
550 -22~0 +10~+35
600 0~+20 +35~+55
650 0~+20 +42~+64
700 0~+20 +40~+60
750 -4~+16 +28~+50
TABLE 6 Mechanical property requirement
Shape Delivery State Thickness&Diameter/mm Tensile Strengthòb/MPa Elongationò(%)≥
Strip Annealed 0.20-0.50 <885 20
Wire Cold Drawn 0.20-3.0 >930
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