Ohmalloy Material Co.,Ltd
                                                                                                           
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GH90 High Temperature Nichrome Alloy For Aerospace Fasteners Hydrogen Annealing

Price Negotiable
Price: Negotiable
MOQ: 1KG
Delivery Time: within10 days after payment
Brand: ohmalloy
Product Description

GH90 high temperature alloy wire for aerospace fasteners
 

Description

Nimonic 90, same as GH4090 china standard. This alloy have high stress rupture strength and high creep resistance at high temperature. Good resistance to high-temperature corrosion and oxidization.
 

Chemical Content(%)

Alloy % Ni Cr Fe C Mn Si Cu Al Ti Co
GH90 Min. Bal 18           1.0 2 15
Max. 21 1.5 0.13 1.0 1 0.2 2.0 3 21

 

Mechanical Properties

Alloy status Tensile strength
Rm N/mm²
Yield strength
R P 0.2N/mm²
Elongation
A 5 %
Modulus of Rigidity Density
g/cm³

Melting Point

°C

Annealing
treatment
800-1000     82.5kN/mm2 8.2 1370

 

Heat treatment

Supplied in alloy wire Type Temperature(°C) Time (Hr) Cooling
Spring temper Age harden 650 4 Air
Spring temper Age harden 600 16 Air
Annealed Age harden 750 4 Air

 

Supplied in plate or strip Type Temperature(°C) Time (Hr) Cooling
Annealed Age harden 700-725 4 Air

 

Application

Aerospace fasteners

 

Standard

GH4090

W.Nr. 2.4632

UNS NO7090

AWS 030

 




 

FAQ

1. What's the minimum quantity customer can order?

If we have your size in stock, we can provide any quantity you want.

If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.

 

2. How can you pay for small sample amount?

We have account, wire transfer for sample amount also ok.

 

3. Customer do not have express account. How will us arrange the delivery for sample order?

Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

 

4. What's our payment terms?

We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

 

5. Do you provide free samples?

If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

 

6. What's our working time?

We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Ohmalloy Material Co.,Ltd
Location Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
Contact Person Qiu

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