China Ni Span C902 Iron Nickel Chromium Alloy (Ni42CrTiAl) (UNS N09902), Find details about China Ni42crtial, C902 from Ni Span C902 Iron Nickel Chromium Alloy (Ni42CrTiAl) (UNS N09902)
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