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Ni-Span-C Alloy 902, N09902, Nickel Alloy Spring Wire
Ni-Span-C Alloy 902, N09902, Nickel Alloy Spring Wire
Specifications
Brand Name :
fushun
Model Number :
902
Certification :
ISO NQA
Place of Origin :
CHINA
MOQ :
1KG
Payment Terms :
L/C, T/T, D/P, D/A
Delivery Time :
1
Material :
Nickel Alloy
Application :
Spring
Description

Ni-Span-C Alloy 902, N09902, Nickel Alloy Spring Wire

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 +65°C (-50 to +150°F).

Size

Diameter: 0.1 - 40mm

Shape: round, square, flat, special shaped

Key Features

Outstanding controllable thermoelastic coefficient characteristics.

Can be processed to have constant modulus of elasticity from from -45 to +65ºC (-50 to +150ºF).

Good for springs in watches and weighing equipment.

Age hardenable.

Typical Applications

Springs in precise applications, such as

watches

weighing machines

Designations

UNS N09902

AWS 080

Specifications

AMS 5225

AMS 5221

HS 261

Chemical Composition

Element Min % Max %
C – 0.06
Mn – 0.8
Si – 1
P – 0.04
S – 0.04
Cr 4.9 5.75
Ni+Co 41 43.5
Ti 2.2 2.75
Al 0.3 0.8
Cr+(Ti-4xC) 7.1 8.1
Co – 1
Fe Bal Bal

Physical Properties

Density Melting Point Coefficient of Expansion Modulus of Rigidity Modulus of Elasticity
8.05 g/cm³ 1480 °C 7.6 μm/m °C (20 – 100 °C) 62 – 69 kN/mm² 165 – 200 kN/mm²
0.291 lb/in³ 2700 °F 4.2 x 10-6 in/in °F (70 – 212 °F) 8993 – 10008 ksi 23932 – 29008 ksi

Heat treatment

Condition Type Temperature Time Cooling
Spring Temper – For good all round properties Age Harden 650 °C (1200 °F) 2 Hr Air
Spring Temper – For max stability Stress Equalise
Age Harden		 400 °C (750 °F)
650 °C (1200 °F)		 2 Hr
2 Hr		 Air
Air
Spring Temper – For minimum hysterisis & low thermoelastic coefficient Stress Equalise 400 °C (750 °F) 2 Hr Air

Mechanical Properties

Annealed Approx. tensile strength <800 N/mm² <116 ksi
Approx. operating temperature (for constant modulus applications) -45 to +65 °C -50 to +150 °F
Spring Tempered Approx. tensile strength 900 – 1100 N/mm² 131 – 159 ksi
Approx. operating temperature (for constant modulus applications) -45 to +65 °C -50 to +150 °F
Spring Temper + Aged Approx. tensile strength 1300 – 1500 N/mm² 189 – 218 ksi
Approx. operating temperature (for constant modulus applications) -45 to +65 °C -50 to +150 °F

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Ni-Span-C Alloy 902, N09902, Nickel Alloy Spring Wire

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Product Detail
Brand Name :
fushun
Model Number :
902
Certification :
ISO NQA
Place of Origin :
CHINA
MOQ :
1KG
Payment Terms :
L/C, T/T, D/P, D/A
Contact Supplier
Ni-Span-C Alloy 902, N09902, Nickel Alloy Spring Wire

Hunan Fushun Metal Co., Ltd.

Site Member
4 Years
hunan, changsha
Since 1998
Business Type :
Manufacturer
Main Products :
Special Shaped Wire, Stainless Spring Wire, Patented Cold Drawn Wire
Total Annual :
10 millon-100 millon
Employee Number :
50~99
Certification Level :
Site Member
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