Stainless steel
Stainless Steel Grades
Grade selection guide: 304 / 304L / 316L / 321 / 430 / 409 / 201 / 2205 — with the service limits that decide which one to use.
0.3–80 mmThickness
≤ 2000 mmWidth
Available specification
| Grades | Thickness | Width / diameter | Standard |
|---|---|---|---|
| 304 · 304L · 316L · 321 · 430 · 409 · 201 · 2205 | 0.3–80 mm | ≤ 2000 mm | ASTM A240 / EN 10088-2 |
Ranges shown are standard availability; non-standard sizes can be made to order. Thickness is nominal — tolerance judged to ASTM A480 / EN 10088-2.
Typical applications
- General indoor and decorative work (304)
- Chloride-bearing service, coastal and food (316L)
- Heat exchangers and high-temperature flue gas (321)
- Seawater and high-chloride process lines (2205)
Delivery and inspection
- PREN = Cr + 3.3×Mo + 16×N — we quote the number, not just the grade
- Mill certificates show full chemistry, not only the grade name
- We advise on welding consumables and interpass limits for duplex grades
Need a quote or technical support?
Send the grade, size, quantity and destination port — we reply with FOB / CIF within 24 hours.