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AMS 1.4418 Details
AMS 1.4418 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | 1.4418 | Precipitation-Hardening | USA - AMS , SA/EN 10028-7 - Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.20 | ||
| Si | - | 0.50 | ||
| Mn | - | 1.00 | ||
| P | - | - | ||
| S | - | - | ||
| Ni | - | - | ||
| Cr | - | 12.50 | ||
| Al | - | - | ||
| Cu | - | - | ||
| Ti | - | - | ||
| Fe | - | remaining | ||
| N | - | - | ||
| Mo | - | - | ||
| W | - | 3.00 |
| 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) |
|---|---|---|---|---|---|---|
| 557 (≥) | 118 (≥) | 14 | 42 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 |
| 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 |
|---|---|---|---|---|---|---|---|
| 836 (≥) | 434 (≥) | 21 | 32 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 665 | 929 | 827 |
| 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 |
|---|---|---|---|
| GH4180 | GB | China | Nickel-base superalloy |
| A 565 S41800 | SAE | USA | Martensitic Stainless Steel Bars for High-Temperature Service |
| S41800 | AISI | USA | Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel |
| A 565 S41800 | SAE | USA | Martensitic Stainless Steel Bars for High-Temperature Service |
| S41800 | AISI | USA | Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel |
| A 565 S41800 | SAE | USA | Martensitic Stainless Steel Bars for High-Temperature Service |
| S41800 | AISI | USA | Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel |
| 1.4418 | AMS | USA | Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels |
| A 534 18CrNiMo7-6 | SAE | USA | Carburizing Steels for Anti-Friction Bearings |
| A 534 18NiCrMo14-6 | SAE | USA | Carburizing Steels for Anti-Friction Bearings |
| A 541 Class 8 | SAE | USA | Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components |
| A 541 Class 8A | SAE | USA | Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components |
| A 854 Grade 180 | SAE | USA | Metallic-Coated Steel Smooth High-Tensile Fence and Trellis Wire |
| A 920 Grade 11V41 Class 80 | SAE | USA | Steel Bars, Microalloy, Hot-Wrought, Special Quality, Mechanical Properties |
| A 920 Grade 15V41 Class 80 | SAE | USA | Steel Bars, Microalloy, Hot-Wrought, Special Quality, Mechanical Properties |
| B418 Type 1 | SAE | USA | Standard Specification for Cast and Wrought Galvanic Zinc Anodes |
| B418 Type 2 | SAE | USA | Standard Specification for Cast and Wrought Galvanic Zinc Anodes |
| C14180 | AISI | USA | Copper brazing filler metal |
| C14181 | AISI | USA | Copper vacuum grade brazing filler metal |
| K14185 | AISI | USA | Alloy Steel |