Ni-Span C 902®Standard Specification for Nickel-iron-Chromiumobalt Alloys
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 Expansion20-100℃(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/℃ The temperature coefficient of the modulus of elasticityβE/(10-6/℃)(-6~+80℃)
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
Product Detail
Why Us ?
1.Specialized in manufacturing high-precision alloy for 23+ years
2.We can tailoring your unique requirements with ASTM, UNS ,GOST, standards.
3. We can produce more people cannot produce products
4. Short Lead-time
5. Leading Edge Technology
6. Good quality control in production process, ISO9001:2008, SGS, CQC, approved.
7. Excellent quality and High cost of performance
8. Available in an extensive range of stock or custom size.
9. The whole process from raw material to finished products can be traced.
10. 40000 square meters workshop, advanced facilities and test equipment .
Our Serivce
1. Free Sampe with test report
2.Small Quantity accepted , if we have stocks, we can delivery as small as few kilogram to your specification.
3.Testing services available .
4.Inspection before delivery
5.Response within 24hours
6.Good after service
