UNS K94100

Model:	4J42
Brand:	KX-Alloy
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Non-ferrous Metal Alloy
Label:	alloy 42 , Iron nickel alloy , UNS K94100
Price:	¥17.5 / kg
Min. Order:	50 kg

Product Description

Alloy 42 as also known as 42H(RUSSIA),Glass Sealing 42,

Uniseal 42,Nilo 42,YEF42,NSD,N42,42 Nickel-Iron Sealing Alloy,ASTM F30,

UNS K94100, Vacodil 42,FeNi42,Dument42 ,Chinese 4J42,etc.

Note:

A nickel-iron controlled-expansion alloy containing 42% nickel.

Applications include:Semiconductor Lead Frames ,Thermostat Rods ,Various Glass to Metal Seals.

Specification: Plate, sheet, strip, rod, bar, wire, tube.

Alloy grades and chemical composition consistent with the provisions of table Ⅰ

the chemical composition of alloy42 (%)
Alloy Grades	C	P	S	Mn	Si	Al	Co	Ni	Fe
Alloy Grades	Not more than（≤）
Alloy42	0.05	0.020	0.020	0.80	0.30	0.1	1.0	41.5～42.5	Balance

The tensile strength of wire in line with the provisions of Table Ⅱ

Status code	State	Tensile strength，N/mm²
R I	Soft state Hard state	<590 >820

Strip tensile strength in line with the provisions of Table Ⅲ

Status code	State	Tensile strength，N/mm²
R I	Soft state Hard state	<570 >700

Alloy average linear expansion coefficient in line with the provisions of Schedule IV

Alloy Grades	Specimen heat treatment system	The average linear expansion coefficient a,10^-6/ ^oC
Alloy Grades	Specimen heat treatment system	20-300 ^oC	20-400 ^oC	20-450 ^oC
Alloy42	In hydrogen atmosphere heated to 900 ± 20 oC, insulation lh, to not more than 5 oC / min rate of cooling to below 200 oC released	4.0-5.0	-----	6.5-7.5