Nitronic 60®, UNS S21800, Alloy 218 Enquiry | Print this page
UNS Nitronic 60®, UNS S21800, Alloy 218 Details
UNS Nitronic 60®, UNS S21800, Alloy 218 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | Nitronic 60®, UNS S21800, Alloy 218 | Austenite | USA - UNS , |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.10 | ||
| Mn | 7.00 | 9.00 | ||
| Si | 3.50 | 4.50 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 16.00 | 18.00 | ||
| Ni | 8.00 | 9.00 | ||
| Mo | - | - | ||
| N | 0.08 | 0.18 |
Mechanical properties of grade Nitronic 60®, UNS S21800, Alloy 218
Yield Strength,Rp 0.2(MPa)
| Condition | Min | Max | Similar | Note |
|---|---|---|---|---|
| Annealed condition | 345 |
Tensile Strength,Rm(MPa)
| Condition | Min | Max | Similar | Note |
|---|---|---|---|---|
| Annealed condition | 655 |
Impact,Kv/Ku(J)
| Condition | Min | Max | Similar | Note |
|---|
Elongation,A(%)
| Condition | Min | Max | Similar | Note |
|---|---|---|---|---|
| Annealed condition | 35 |
Reduction of area,(%)
| Condition | Min | Max | Similar | Note |
|---|---|---|---|---|
| Annealed condition | 55 |
Hardness
| Condition | Type | Min | Max | Similar | Note |
|---|---|---|---|---|---|
| Annealed condition | HBW | 241 | |||
| Annealed condition | HRBW | 100 |
Austenitic Chromium Nickel Manganese Stainless Steel Non-magnetic stainless steel Nitronic 60®, UNS S21800, Alloy 218.
used in the chemical, petrochemical, pharmaceutical, machine industries (hydraulic systems) and food industry for valves, flanges, pump parts, springs, heat exchangers, screws and even chains.
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| Nitronic 60®, UNS S21800, Alloy 218 | UNS | USA | used in the chemical, petrochemical, pharmaceutical, machine industries (hydraulic systems) and food industry for valves, flanges, pump parts, springs, heat exchangers, screws and even chains. |
| S21800 | AISI | USA | Austenitic Chromium Nickel Manganese Stainless Steel |
| A 240 S21800 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S21800 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S21800 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 479 S21800 | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 580 S21800 | SAE | USA | Stainless Steel Wire |
| A 959 S21800 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| F 899 S21800 | SAE | USA | Standard Specification for Wrought Stainless Steels for Surgical Instruments |
| S21800 | AISI | USA | Austenitic Chromium Nickel Manganese Stainless Steel |
| SA-240 S21800 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-276 S21800 | AMS | USA | Specification for Stainless Steel Bars and Shapes |
| SA-479 S21800 | AMS | USA | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |