UNS Type418(GreekAscollOy) Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | Type418(GreekAscollOy) | UNS | USA |
Chemical composition % of the ladle analysis of grade Type418(GreekAscollOy)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | W(%) |
|---|---|---|---|---|---|---|---|
| 0.15-0.20 | 0.5 | 0.5 | Max 0.04 | Max 0.03 | Max 0.03 | 1.8-2.2 | 2.5-3.5 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 466 (≥) | 933 (≥) | 22 | 23 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 962 (≥) | 425 (≥) | 41 | 33 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 269 | 365 | 352 |
| 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 |
|---|---|---|---|
| A 565 S41800 | UNS | USA | Martensitic Stainless Steel Bars for High-Temperature Service |
| S41800 | UNS | USA | Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel |
| A 240 S44627 | UNS | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 268 S44627 | UNS | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A 276 S44627 | UNS | USA | Stainless Steel Bars and Shapes |
| S44627 | UNS | USA | Ferritic Chromium Molybdenum Columbium Stainless Steel |
| SA-240 S44627 | UNS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-268 S44627 | UNS | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A 581 S20300 | UNS | USA | Free-Machining Stainless Steel Wire and Wire Rods |
| A 582 S20300 | UNS | USA | Standard Specification for Free-Machining Stainless Steel Bars |
| F 837 Class A1-50 S20300 | UNS | USA | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F 837 Class A1-55 S20300 | UNS | USA | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F 837 Class A1-70 S20300 | UNS | USA | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F738 Class A1-50 S20300 | UNS | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A1-70 S20300 | UNS | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A1-80 S20300 | UNS | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F836 Class A1-50 S20300 | UNS | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
| F836 Class A1-70 S20300 | UNS | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
| F836 Class A1-80 S20300 | UNS | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
| S20300 | UNS | USA | Austenitic Chromium Manganese Nickel Copper Free Machining Stainless Steel |