SUS 431 Forged Round Bar EN10088-5 X17CrNi16-2/1.4507 115mm 300mm 轴
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SUS431 Stainless Steel Round Bar EN10088-5 (X17CrNi16-2/1.4507)115mm 300mm Forged Shaft
EN 1.4507 (X2CrNiMoCuN25-6-3) Stainless Steel
EN 1.4507 stainless steel is a duplex stainless steel formulated for primary forming into wrought products. Cited properties are appropriate for the solution annealed (AT) condition. 1.4507 is the EN numeric designation for this material. X2CrNiMoCuN25-6-3 is the EN chemical designation.
It has a moderately high base cost among wrought duplex stainless steels. In addition, it has a moderately high embodied energy and a moderately high tensile strength.
The graph bars on the material properties cards below compare EN 1.4507 stainless steel to: wrought duplex stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
431 Stainless Steel
Industry Names
UNS S43100
431 Stainless
Material
Stainless Steel
Specifications
AMS 5628
ASTM A276 (Bar)
ASTM A479 (Bar)
MIL-S-18732
UNS S43100
Applications
Bolts
Fasteners
Marine Fixtures
Pump Shafts
Features
Corrosion Resistant in a Variety of Marine and Chemical Environments
Excellent Corrosion Resistance
UNS S43100 is a type of martensitic stainless steel alloy. It's composed mainly of iron, chromium, and nickel, with small amounts of silicon, phosphorus, sulfur, and manganese. It's magnetic and has good corrosion resistance. In this article, we'll discuss the composition and physical and mechanical properties of 431 stainless steel and its uses.
431 Stainless Steel Composition
The composition of 431 ss is as follows: iron (Fe) 74-78%, chromium (Cr) 15-17%, nickel (Ni) 1-1.5%, silicon (Si) 0.75%, phosphorus (P) 0.04%, sulfur (S) 0.03%, manganese (Mn) 0.75%.
| Grade 431 stainless steel | C | Mn | Si | P | S | Cr | Ni | |
| 431 |
min. max. |
– 0.20 |
– 1 |
– 1 |
– 0.04 |
– 0.03 |
15 17 |
1.25 2.50 |
431 Stainless Steel Physical Properties
One of the main benefits of stainless steel 431 is its excellent corrosion resistance due to the presence of high chromium content in its composition. It also has good ductility and formability, making it easy to shape into different objects and components. Additionally, it has good wear resistance, which makes it a preferred material for many industries, such as automotive manufacturing or food processing equipment, where parts are subject to wear from constant use or exposure to corrosive environments.
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) |
Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 431 | 7800 | 200 | 10.2 | 12.1 | – | 20.2 | – | 460 | 720 |
431 Stainless Steel Mechanical Properties
In terms of mechanical properties, 431 alloy has a tensile strength between 620 MPa and 780 MPa, an ultimate strength between 520 MPa and 680 MPa, an elongation at the break between 30% and 40%, a modulus of elasticity around 190 GPa and a yield strength between 240MPa and 380MPa depending on the condition.
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Brinell (HB) | Impact Charpy V (J) |
| Annealed * | 862 | 655 | 20 | 285 max | – |
| 204 | 1345 | 1055 | 20 | 388 | 50 |
| 316 | 1295 | 1035 | 19 | 375 | 53 |
| 427 | 1350 | 1080 | 19 | 388 | # |
| 538 | 1140 | 965 | 19 | 321 | # |
| 593 | 1015 | 770 | 20 | 293 | 64 |
| 650 | 960 | 695 | 20 | 277 | 84 |
431 Stainless Steel Equivalent
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 431 | S43100 | 431S29 | 57 | 1.4057 | X17CrNi16-2 | 2321 | SUS 431 |
431 Stainless Steel Uses
Due to its combination of physical properties such as corrosion resistance, formability, and wear resistance, grade 431 is used in many industries, including automotive manufacturing, where it can be found in exhaust systems or other parts that require good corrosion resistance but also need to be strong enough not to break easily under pressure or stress from daily use; food processing equipment where parts may be exposed to corrosive chemicals but still need to be able to withstand regular usage; surgical instruments that require both strength and corrosion resistance; or marine applications like pumps or valves that must be able to withstand frequent exposure to saltwater without corroding quickly over time.
Conclusion
Overall, 431 stainless steel is an excellent choice for applications requiring good corrosion resistance combined with high strength at an affordable cost. Its composition allows it to maintain its physical properties even when exposed to harsh conditions while still providing superior wear resistance compared to other materials available on the market today. Whether you need it for automotive parts, food processing equipment or marine applications – 431 stainless steel can provide you with the performance you need at an affordable price point!
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