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- AISI Type 414 is a Martensitic Standard grade Stainless Steel
Chemical composition % of the ladle analysis of grade AISI 414
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
| 0.15 | 1.00 | 1.00 | 0.04 | 0.03 | 11.5-13.5 | 1.25-2.50 |
Steel is the common name for a large family of iron alloys. Steels can either be cast directly to shape, or into ingots which are reheated and hot worked into a wrought shape by forging, extrusion, rolling, or other processes. Wrought steels are the most common engineering material used, and come in a variety of forms with different finishes and properties. Stainless steels are high-alloy steels that have superior corrosion resistance than other steels because they contain large amounts of chromium. Stainless steels contains at least 10% chromium, with or without other elements. Stainless steels can be divided into three basic groups based on their crystalline structure: austenitic, ferritic, and martensitic.
The typical elastic modulus of stainless steels at room temperature (25°C) ranges from 190 to 210 GPa. The typical density of stainless steels ranges from 7.75 to 8.1 g/cm3. The typical tensile strength varies between 515 and 827 MPa. The wide range of ultimate tensile strength is largely due to different heat treatment conditions.
| 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) |
|---|---|---|---|---|---|---|
| 767 (≥) | 294 (≥) | 24 | 41 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 |
| 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 |
|---|---|---|---|---|---|---|---|
| 228 (≥) | 235 (≥) | 43 | 21 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 842 | 651 | 357 |
| 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 |
|---|---|---|---|
| GH4141 | Iron-based superalloy |
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| GH4145 | Nickel-base superalloy |
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| GH4146 | Nickel-base superalloy |
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| A 276 S41400 | Stainless Steel Bars and Shapes |
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| A 314 S41400 | Stainless Steel Billets and Bars for Forging |
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| A 473 S41400 | Stainless Steel Forgings |
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| A 580 S41400 | Stainless Steel Wire |
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| S41400 | Martensitic Chromium Stainless Steel |
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| A 276 S41425 | Stainless Steel Bars and Shapes |
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| A 314 S41425 | Stainless Steel Billets and Bars for Forging |
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| A 473 S41425 | Stainless Steel Forgings |
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| A 479 S41425 | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
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| A 565 S41425 | Martensitic Stainless Steel Bars for High-Temperature Service |
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| A 959 S41425 | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
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| S41425 | Martensitic Chromium Nickel Molybdenum Nitrogen Stainless Steel |
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| SA-479 S41425 | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
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| NV7(4140) | Steel for intake valves |
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| H41400 | Steel for intake valves |
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| 1.2414 | Alloyed W steel |
