Alloy 42 ®has a virtually constant low rate of thermal expansion at temperatures up to approximately 650°F (343°C). Easily machined and formed hot or cold, 42 Alloy is also used extensively in the medical, electronics and automotive industries.

Semiconductor packages, electronic tubes, CRT electron guns and automotive and industrial lamps

Commerical Trade Name	Alloy 42, Nilo 42 , seals alloy 42,invar 42
Material	Iron-Nickel
Standard Specification	ASTM F30
Surface Finish	Ground Surface
TOL.Diameter	±0.076mm
TOL.Length	+5mm
Final weight Tolerance	±10% (Custom-Made Order)
Application	Glass to metal seals
Country of origin	China, Xi'an

Forms of supply

ROD	Dia.20 to 280mm,Length3000mm,Max	Surface Finish: Black, De-scaling & Ground Surface
STRIP	T0.1 to 3.0mm ,width300mm,Max	Temper Name : Hard / Annealed
PLATE	T3.0 to 40.0mm,Width1000mm,Max	Surface Finish: Black / Bright

Specification

K94100

1.3917

NF A54-301

DIN 17745

Features

Low coefficient of thermal expansion matched to silicon, ceramic materials such as alumina and beryllia and vitreous glass compounds
Low thermal expansion characteristics over a range of temperatures

PRODUCT DATASHHET

TABLE 1         Chemical Composition,%
C,Max	P,Max	Si,Max	Mn,Max	Al,Max	S,max	Co,Max	Ni	Fe
0.05	0.020	0.30	0.80	0.10	0.020	1.0	41.5-42.5	Bal

 

TABLE 2         Physical Properties
Resistance ,μΩ.m	0.61
Density, g/cm3	8.12
Curie Point, Tc /°C	360
melting Point,ºC	1430
Thermal Conductivity,w/(m•°C)	14.6
Elastic modulus,Gpa	150

 

TABLE 3        Tensile Strength of Alloy Strip
Temper Designation	Temper Name	Tensile Stength σb/MPa
A	Annealed	<590
B	Hard	>820

 

TABLE 4         Coefficient of Linear Expansion, μ m/m•°C
30-300ºC	4.0 to 4.7
30-450ºC	6.7 to 7.4

 

About Us

XI'AN GANGYAN SPECIAL ALLOY CORPORATION (XAGY)  
Specialized in manufacturing Nickel alloys & Cobalt alloys for 25+ years,with a company mission to provide a high quality, reliable source for precision alloys, high temperature alloys and stainless steels in both pilot processing and mass production. We are professionally manufacturing materials with unique features, which are then used in aerospace, military, electronics, marine, petroleum and petrochemical industries. Now our company has formally marketed in China's new stock market, stock No. 836660.  

Base on "Quality-oriented, Leading Technology, Continuous Improvement, Customer Satisfaction", we believe XAGY Inc can be your best supplier.

Warehouse

Alloy raw materials Like Cobalt, Nickel ,Chromium & ETC.are purchased from large-scale state-owned company, quality assurance, storage capacity up to 200 tons -300 tons, guaranteed enough regular size products in stock . Using ERP system to manage the inventory.product availability and request a QUOTE!

Certificate

ISO9001 Approved Since 2005

Mill Certificate & Rohs report with goods

Quality Contral

The Quality control team has 18 members, mainly responsible for the analysis and detection of all raw materials and finished products in the factory, analysis and testing items such as physics, chemistry, materials, mechanics, appearance and dimensions ,etc.

Exhibition(2018)

EMC ShangHai (China)Every Year , Shanghai city

Metal Week (Korea) Every Year, Seoul City

Wire Dusseldorf (Germany)Wire Dusseldorf (Germany)

Important Notice

1. Material Specification

Chemical composition,Physical and Mechanical properties will be engineered according to specific customer requirements.Therefore chemical composition,physical and mechanical properties might be different to values listed in this document.

Information about product characteristics or applicability of materials are shown only for informative purposes.

2. Sample Policy

Alloy 42 are available in many shapes and dimensions,supplying semi-finished products in forms of Strip,plate & Rods.The samples are big enough (typically about 200mm in length for strip or plate) to get an understanding of the material characteristics, meanwhile custom-made sample order available ! small quantity accepted.

3. Payment Terms

30% T/T in advance ,balance before shippment.

4. Who you talking to

Mr. Paul (Designation :Foreign Trade Manager)  
WeChat & Phone No: +86 (0)13669288752 (24 Hours)  
Skype: alloynickel  
Tel: +86 29 3366 9103 ( 08:30-17:30,Beijing Time. Mr.Paul ,Excellent Engilsh & Mandarin)  
Fax: +86 29 3369 8670  
Email: supportsales@xagy.cn  
Http:// www.alloynickel.com