Grade: Kovar,ASTM F15, Nilo-k, UNS K94610(FeNi29Co17),Chinese4J29,

DIN 17745,S.E.W.385,Werkstoff Nr.1.3981

28.5~

29.5

16.8~

17.8

Notes: 1.The content of Al,Mg,Zr and Ti should be no more than 0.10%,the total content should be no more

than 0.20%.Otherwise ,the supplier's PO or contract shall indicate clearly.

2.Under condition that the everage coefficient of linear expanion meets the requirements of the standard,

the content of nickel and cobalt are allowed to deviate from the stated range.

Status Code

R

1/4I

1/2I

3/4I

I

Soft state

1/4 Hard

1/2 Hard

3/4 Hard

Hard

<585

585-725

655-795

725-860

>860

R

1/4I

1/2I

3/4I

I

Soft state

1/4 Hard

1/2 Hard

3/4 Hard

Hard

<570

520-630

590-700

600-770

>700

Specimen heat treatment

system

Heated to temperature of 900±

20℃ in the hydrogen,hold for

1h;re-heat to 1100±20℃,hold

for 15min;cooled to 200℃ at a

rete less than 5℃.

Alloy

Grade

• Expandable Alloy
• soft Magnetic Alloy
• Elastic Alloy
• Resistance alloy

• Incoloy series
• Inconel series
• Monel series
• Pure nickel alloy

• NiFe55 NiFe60 welding wire
• thermal spraying silk

Q1: Sample                                                                                          

A1: Provide free sample, customers undertake shipping cost or freight

collect.

Q2: Visit factory                                                                                    

A2:Welcome to our factory at any time.

A3: Find your salesman—Salesman provide solution (If it's our

responsibility, we will resend substitutes or return money or provide

discount for your next order, etc.; If it's shipping company's

responsibility, we also will help you until the problem is resolved.)

A4: 3~30working days after confirming the payment. If the order

is urgently, we will push our workshop finish in advance.