Elastic Component Alloys (3J1 and 3J53) （YB/T5256-1993）
*Ni-Span Alloy C-902, AMS 5225, UNS N09902,
(Ni42CrTiAl)，Chinese 3J53
|
Grade
|
Relative Grade
|
|
Russia
|
U.S.A.
|
Japan
|
Germany
|
U.K.
|
|
3J1
|
36НХТЮ
ЭП702
|
|
|
|
|
|
3J53
|
42НХТЮ
Н41ХТ
|
Ni-Span
C902
Elinvar
Extra
|
Sumispan-3
EL-3
|
Ni-Span
C
|
Ni-Span
C
|
Grade and Chemical
Composition (see Table 1)
Table 1 Grade and Chemical Composition
|
Grade
|
Chemical Composition (%)
|
|
C
|
Mn
|
Si
|
P
|
S
|
Ni
|
Cr
|
Ti
|
A1
|
Fe
|
|
≤
|
|
3J1
|
0.05
|
1.00
|
0.80
|
0.020
|
0.020
|
34.5～36.5
|
11.5～13.0
|
2.70～3.20
|
1.00～1.80
|
Bal
|
|
3J53
|
0.05
|
0.80
|
0.80
|
0.020
|
0.020
|
41.5～43.0
|
5.20～5.80
|
2.30～2.70
|
0.50～0.80
|
Bal
|
NOTE: The size and shape
must comply with the standard of GB/T15001for “elastic alloys”.
Mechanical
Property (see Table 2—Table4)
Table 2 Mechanical
Property (for the delivery statue)
|
Grade
|
Shape
|
Delivery State
|
Thickness&Diameter
/mm
|
Tensile Strength
ób/Mpa
|
Elongationδ(%)≥
|
|
3J1
|
Strip
|
Annealed
|
0.20～0.50
|
<980
|
20
|
|
Wire
|
Cold Drawn
|
0.20～3.00
|
>980
|
|
|
3J53
|
Strip
|
Annealed
|
0.20～0.50
|
<885
|
20
|
|
Wire
|
Cold Drawn
|
0.20～3.00
|
>930
|
|
Table 3 Mechanical Property(after heat treatment)
|
Grade
|
Shape
|
Delivery State
|
Thickness&Diameter
/mm
|
Tensile Strength
ób/Mpa
|
Elongation δ(%)
|
|
≥
|
|
3J1
|
Strip
|
Cold Rolled
|
0.20～2.50
|
1375
|
5
|
|
Annealed
|
0.20～1.00
|
1175
|
8
|
|
Wire
|
Cold Drawn
|
0.50～5.00
|
1470
|
5
|
|
Bar
|
Cold Drawn
|
3.0～18.0
|
1375
|
5
|
|
Pipe& flatspring
|
Hot Rolled & Hot Forged
|
6.0～25.0
|
1175
|
1O
|
|
3J53
|
Strip
|
Cold Rolled
|
0.20～2.50
|
1225
|
5
|
|
Annealed
|
0.20～1.00
|
1080
|
8
|
|
Wire
|
Cold Drawn
|
0.50、5.00
|
1375
|
5
|
|
Bar
|
Cold Drawn
|
3.0～18.0
|
1325
|
5
|
|
Pipe& Flatspring
|
Hot Rolled & Hot Forged
|
6.0～25.0
|
1080
|
10
|
Table
4 Yield Strength (after heat treatment)
|
Grade
|
Delivery State
|
Thickness
/mm
|
Yield Strength
/MPa
|
|
3J1
|
Cold Rolled
|
0.50～2.50
|
980
|
|
Annealed
|
0.50～1.00
|
735
|
|
3J53
|
Cold Rolled
|
0.50～2.50
|
885
|
|
Annealed
|
0.50～1.00
|
685
|
Physical Property (see Table5&Table6)
Table 5 physical property mechanical
property (after aging)
|
Item
|
3J1
|
3J53
|
|
Modulus of elasticity (E/MPa)
|
186500～206000
|
176500～191000
|
|
Shear elasticity (G/MPa)
|
68500～78500
|
63500～73500
|
|
Desinty (g/cm3)
|
8.0
|
8.0
|
|
Mean coefficient of linear
expansion20-100°C/(10-6/K)
|
|
8.5
|
|
Saturation induction density (B600/T)
|
|
0.7
|
|
Resistivity ρ /(μΩ·m)
|
1.02
|
1.1
|
|
Magnetic Rate k/106
|
150～250
|
|
|
Vickers hardness (HV)
|
400～480
|
350-450
|
Note: The K value is the value of the centimeter
gram second system.
Table
6 the temperature coefficient of the Modulus
of elasticity
|
Aging Temperature/℃
|
the temperature
coefficient of the Modulus of elasticity
βE/(10-6/℃)(-60～80℃)
|
|
Cold Rolling
|
Annealed
|
|
500
|
-38～-15
|
+18～+12
|
|
550
|
-22～0
|
+10～+35
|
|
600
|
-10～+10
|
+35～+55
|
|
650
|
0～+20
|
+42～+64
|
|
700
|
0～+20
|
+40～+60
|
|
750
|
-4～+16
|
+28～+50
|
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