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1.4418 Application:Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels
Category | Type | Grade | Microstructure | Designations |
Grades | Stainless Steels - Special 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 |
Chemical composition(wt.%) of 1.4418 grade: SA/EN 10028-7
Elements | Min.（≥） | Max.（≤） |
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 |
Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels
Mechanical properties of grade 1.4418 SA/EN 10028-7
Proof strength | Tensile strength | Impact energy | Elongation at fracture | Reduction in cross section on fracture | As-Heat-Treated Condition | Brinell hardness (HBW) |
433 (≥) | 722 (≥) | 33 | 12 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 223 |
Physical properties of grade 1.4418 SA/EN 10028-7
Property | Density | Temperature T | Specific heat | Thermal conductivity | Electric resistance | Modulus of elasticity | Expansion rate |
965 (≥) | 998 (≥) | 41 | 33 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 | |
Temp. | Creep strain limit | Creep rupture strength | |||||
543 | 588 | 349 |
1.4418 - Form of Supply
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 |
Cross Reference Table(Equivalent Grade)
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 |
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