NITRIDED FERRO CHROME

Westbrook Resources are a key supplier of Nitrided Ferro Chrome to the global steel industry.

We offer two grades of material as follows:

Standard Material	%
Cr	63-68%
N	3-4%
Si	1.50% max
P	0.03% max
S	0.03% max
Mn	0.5% max

And:

Standard Material	%
Cr	63-68%
N	6-9%
Si	1.50% max
P	0.03% max
S	0.03% max
Mn	0.5% max

Packing & Size Options

Our Nitrided Ferro Chrome can be packaged to suit your requirements. In terms of standard packaging, we supply Nitrided Ferro Chrome in drums on pallets or in 25kg bags. Please contact us if you have any alternative packing requirements.

Packing:

Drums on pallets
25kg bags

Sizing:

5-100mm

About Nitrided Ferro Chrome

Nitrided Ferro Chrome (FeCrN) is an alloy of Chrome, Iron and Nitrogen and is particularly valued in stainless and speciality steelmaking. Ferro Chrome improves corrosion resistance, hardness and the strength of steel and the added Nitrogen further enhances strength and corrosion resistance. The Nitrogen content also helps to refine grains, improving mechanical properties, increasing oxidation resistance and thermal stability.

Westbrook’s Nitrided Ferro Chrome has a low Carbon content, typically around 0.05-0.07% for use in special steels requiring tight Carbon control. The Nitrogen content is either 3-4% or 6-9% depending on the grade.

Production

Nitrided Ferro Chrome is produced by taking a Ferro Chrome Alloy and exposing it to a Nitrogen-rich environment at high temperatures of up to 1300°C. The material is then cooled and crushed into the required sizes.

Uses

Nitrided Ferro Chrome is used in stainless steel, special steels and other specialist applications and components to improve strength, hardness, wear resistance and corrosion resistance of the final alloy. It imparts similar properties in its use in tools, making them suitable for high-stress applications like cutting, stamping and forming.

It is also used in surface coating technologies to improve surface durability and wear resistance and in components used in energy, automotive and aerospace requiring high strength-to-weight ratios and corrosion/wear resistance at high temperatures.

Key Properties

Key properties of Nitrided Ferro Chrome include enhanced corrosion resistance, strength, hardness, wear resistance and thermal stability. Nitrogen is also an austenite stabiliser meaning it expands the austenite phase of producing stainless steels (the austenite-promoting effect is actually 20-30 times stronger than that of Nickel making it a cost-effective alternative). Expanding the austenite phase of steel production enables it to maintain its properties at lower temperatures and prevents it from transforming into ferrite.

Why Choose Westbrook For Nitrided
Ferro Chrome?

Westbrook Resources are a globally trusted supplier of Nitrided Ferro Chrome. Our Nitrided Ferro Chrome has a high Chrome content, low Carbon content and 2 options for Nitrogen content to suit your requirements.

We have storage facilities located in the United Kingdom, Africa, Europe, and North America and are therefore strategically located to distribute Nitrided Ferro Chrome internationally.

We aim to be a reliable long-term partner by ensuring:

Continuity of Supply
Consistent Quality
Highly Competitive Pricing
Timely Deliveries
World Class Service

As Nitrided Ferro Chrome suppliers, we are efficient in meeting urgent customer demands, leveraging our extensive global distribution network to serve international industries. Westbrook Resources are ISO 9001 compliant, Authorised Economic Operator accredited and hold numerous REACH registrations both in the UK and the EU (including Iron and Chrome). We have fiscal representation in several countries to facilitate deliveries direct to your plant.

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Nitrided Ferro Chrome FAQs

What are the advantages of using Nitrided Ferro Chrome instead of pure Nitrogen additions?

When Nitrogen is added to steel, it enhances strength and toughness, but also stabilises the austenite phase resulting in improved mechanical properties at lower temperatures. It also forms hard nitrides in steel improving surface hardness and wear resistance. However, too much Nitrogen can reduce ductility, weldability, toughness and formability. Using Nitrided Ferro Chrome not only helps to control the Nitrogen recovery to give the right balance, it also adds Chrome and Iron to the melt simultaneously improving strength, hardness and corrosive resistance. Nitrided Ferro Chrome is also much easier to handle and add to a melt than pure Nitrogen gas. Nitrided Ferro Chrome is a more cost-effective solution.

What is Nitrogen recovery and how does it differ between pure Nitrogen additions and Nitrided Ferro Chrome additions?

Nitrogen recovery is the percentage of Nitrogen that actually dissolves into the molten steel. The recovery depends on a number of factors including the steel grade and melting temperature.

The introduction of Nitrogen via Nitrided Ferro Chrome provides more precise control over the Nitrogen and usually gives a higher and more predictable recovery rate than adding pure Nitrogen gas to molten steel. This is because the Nitrogen is released more gradually with Nitrided Ferro Chrome in alloy dissolution and the Chromium increases Nitrogen solubility in the steel. With pure Nitrogen, a lot of the gas escapes before dissolving and it can form air pockets that get released on the surface if there is excessive stirring of the melt. It is a lot more variable making precise additions difficult to manage.

Nitrogen gas recovery rates can be expected to be 20-70% v Nitride Ferro Chrome recovery rates of 70-95%.

What steel grades commonly use Nitrided Ferro Chrome?

Nitrided Ferro Chrome sees most usage in stainless steels that intentionally require Nitrogen and/or want to reduce more expensive Nickel consumption. These include 200-series austentic stainless steels, duplex stainless steels, Nitrogen-bearing 300-series stainless steels and specialty stainless steels such as Nitronic 50/60 and modified grades of 309 and 310.

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