Q: What is Nitronic 60 also known as?
Nitronic 60 is also known as Alloy 218, and carries the UNS designation S21800. It is also sold under the trade name ATI 60.
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Nitronic 60 / S21800 Stainless Steel Plate Supplier — Cut to Size
E Steel Sdn. Bhd. is a supplier of Nitronic 60 (ATI 60, Alloy 218, UNS S21800) plates in Malaysia, supplying customers across Malaysia & Southeast Asia Markets. n
We stock plates from USA (ATI Mill) and we don't only supply standard full plates — we offer precision bandsaw cut-to-size service, so you only pay and carry away the dimensions you actually need.
No minimum order required.
What Is Nitronic 60 Stainless Steel Plate?
Nitronic 60 is an austenitic stainless steel strengthened with additions of manganese, silicon, and nitrogen. These alloying elements make it unique compared to conventional austenitic grades like 304 and 316: the silicon and manganese additions give it outstanding resistance to galling, wear, and fretting — even in the annealed condition — while the nitrogen addition roughly doubles its yield strength compared to standard 304/316.
Corrosion resistance is comparable to Type 304 and 316 stainless steel in most environments, and oxidation resistance is retained at elevated temperatures up to approximately 982°C (1800°F).
Nitronic 60 also remains non-magnetic even after cold working, which makes it a common choice where both strength and non-magnetic properties are required.
Key Strengths of Nitronic 60
- High yield strength — roughly double that of conventional austenitic stainless grades, allowing thinner sections for the same load
- Outstanding galling and wear resistance, even without surface treatment — ideal for parts that mate, rotate, or slide against each other
- Retains strength and oxidation resistance at high temperatures up to 982°C (1800°F)
- Remains non-magnetic even after cold working
Is Nitronic 60 Easy to Machine?
Nitronic 60 machinability is different from standard austenitic grades due to its higher work-hardening tendency and the same anti-galling characteristics that make the material valuable in service. Slower cutting speeds, positive feeds, and sharp tooling are typically recommended, along with adequate cutting fluid to manage heat build-up. The material's resistance to galling — an advantage in the finished part — is exactly why it also resists galling against cutting tools, so machinists generally treat Nitronic 60 with the same care given to other high work-hardening alloys.
Grade Equivalents — All the Ways Customers Search for Nitronic 60
Customers across Malaysia and Singapore often search using different trade names, alloy numbers, or specification codes.
The table below covers common equivalents:
| Designation Type | Reference |
|---|---|
| Trade Name | Nitronic 60 / ATI 60 |
| Alloy Number | Alloy 218 |
| American UNS | UNS S21800 |
| Plate/Sheet Specification | ASTM A240 / ASME SA240 |
| Aerospace Material Specification | AMS 5848 |
Our Nitronic 60 Plate Stock — Thickness
We stocked Nitronic 60 plates from ATI, USA — a leading specialty metals manufacturer and the originating mill for the Nitronic 60/ATI 60 alloy:
| Parameter | Details |
|---|---|
| Thickness | Variety of Thickness. To be confirmed — please check current stock range with E Steel Sdn Bhd |
| Origin Mill | ATI, USA |
| Form Supplied | Full plate, or bandsaw cut-to-size to your cutting list |
| Mill Test Certificate | 3.1 MTC per EN 10204 |
Why We Promote Bandsaw Cutting for Nitronic 60 Plates
We operate multiple bandsaw cutting machines at our Klang warehouse, dedicated to cold-cutting stainless and specialty steel plates. Bandsaw cutting is our preferred method — and the method we recommend to customers — because it delivers:
- ✅ Clean, burr-minimal cut surface — ready for machining or direct use
- ✅ No heat-affected zone (HAZ) — the cut stays cold, so the alloy's galling resistance and mechanical properties near the edge are preserved
- ✅ No surface discoloration or oxide scale — unlike thermal cutting methods
- ✅ Nicer, straighter cutting surface — often no second facing process needed before CNC machining
- ✅ Efficient and fast — quick turnaround even for complex multi-piece cutting lists
- ✅ No minimum order quantity — from a single cut piece to a full cutting list
Bandsaw Cutting vs Plasma / Laser Cutting for Nitronic 60 Plates
A common question from customers: "Why not just plasma or laser cut my Nitronic 60 plate?"
Thermal cutting methods (plasma and laser) are fast, but for a nitrogen-strengthened alloy like Nitronic 60 — often specified precisely because of its galling resistance and high-temperature strength — bandsaw (cold) cutting is generally the better choice.
| Factor | Bandsaw Cutting (Cold Cut) | Plasma / Laser Cutting (Thermal Cut) |
|---|---|---|
| Heat-Affected Zone (HAZ) | None — material stays cold throughout the cut | Present — heat can alter grain structure and properties near the cut edge |
| Galling/Wear Resistance at Edge | Preserved — no disruption to the alloy's surface characteristics | Can be affected in the heat-affected zone near the cut edge |
| Cut Surface Finish | Clean, straight, minimal burr | Dross, discoloration, oxide scale often present, needing secondary cleaning |
| Post-Processing Needed | Usually ready for CNC machining directly | Often requires grinding/deburring before use |
| Precision on Thick Plates | Consistent accuracy across the thickness range | Heat distortion/warping risk increases with thickness |
| Suitability for Critical Industries | Preferred for aerospace, oil field, petrochemical, food & drug, surgical applications | Higher risk of contamination or edge integrity issues for these industries |
Chemical Composition of Nitronic 60 (UNS S21800) Stainless Steel Plates
| Element | Nitronic 60 (S21800) |
|---|---|
| Carbon (C) | ≤ 0.10% |
| Manganese (Mn) | 7.00 – 9.00% |
| Silicon (Si) | 3.50 – 4.50% |
| Chromium (Cr) | 16.00 – 18.00% |
| Nickel (Ni) | 8.00 – 9.00% |
| Nitrogen (N) | 0.08 – 0.18% |
| Phosphorus (P) | ≤ 0.040% |
| Sulphur (S) | ≤ 0.030% |
Mechanical Properties of Nitronic 60 Stainless Steel Plates
| Property | Nitronic 60 |
|---|---|
| Tensile Strength (min) | 689 MPa (100 ksi) |
| Yield Strength 0.2% (min) | 379 MPa (55 ksi) |
| Elongation (min) | 35% |
| Max Service Temperature (Oxidation Resistance) | 982°C (1800°F) |
Why Choose E Steel for Your Nitronic 60 Plates?
✅ Stocked in Malaysia
Our Nitronic 60 plates, sourced from ATI USA, are held at our Klang warehouse, ready to cut and deliver.
✅ Serving Malaysia & Singapore + Southeast Asia Markets
We supply and export to Singapore, Indonesia, Brunei, and other ASEAN countries.
✅ Full Plate or Cut to Size — Your Choice
Order a full plate, or send us your cutting list and we bandsaw cut it to your exact dimensions.
✅ No Minimum Order Quantity (MOQ)
Whether you need one piece cut to size or a full plate, we accommodate all order sizes — ideal for prototyping, R&D, and small-batch production.✅ Genuine ATI Origin
Our Nitronic 60 is sourced from ATI, USA — the mill behind the ATI 60 trade name.✅ Material Traceability
Every plate comes with a Mill Test Certificate (MTC) traceable to the original mill.
Frequently Asked Questions for Nitronic 60 Plates | S21800 Stainless Steel Plates | ATI 60 Plates
Q: What are the key material properties of Nitronic 60?
Nitronic 60 has a minimum yield strength of approximately 379 MPa (55 ksi) — roughly double that of standard 304/316 stainless steel — along with outstanding galling and wear resistance, and oxidation resistance up to 982°C (1800°F).
Q: What is Nitronic 60 commonly used for?
Common applications include fasteners, valve stems, pins and bushings, roller bearings, pump components, and marine shafts — anywhere galling resistance and high strength are needed. It is also used across the aerospace, food and drug, oil field, petrochemical, and surgical industries.
Q: Can you provide Mill Test Certificates (MTC)?
Yes. All our Nitronic 60 plates come with 3.1 MTCs traceable to ATI, USA, compliant with EN 10204.
Inquiry - Nitronic 60 Plates | S21800 Stainless Steel Plates | ATI 60 Plates
