| Customization: | Available |
|---|---|
| Type: | Stainless Steel Bars |
| Standard: | ASTM, AISI, GB, JIS, DIN, EN |
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| Product Parameters: Stainless Steel rod | |
| Material | 431 |
| Specifications | ASTM A276, ASME SA276 / ASTM A479 ASME SA479 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round Bars | Outside Diameter in the range of 4mm to 500mm |
| Bright Bars | Outside Diameter in the range of 4mm to 100mm |
| Hex Bars | 18mm - 57mm (11/16″ to 2-3/4″) |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Marking & Traceability | Each Stainless Steel rod is traceable to its producing mill and heat by an identification number etched within 24″ (610mm) of one end. |
| Test Certificate | Manufacturer Test Certificate according to EN 10204 3.1 B |
| Laboratory Test Certificate from Govt. Approved Lab. | |
| Under Third Party Inspection | |
| Testing & Inspection | Visual inspection • Surface roughness measurement • Helium-leak testing • Scanning Electron Microscopy (SEM) • Auger Electron Microscopy (AES) • Election Spectroscopy for Chemical Analysis (ESCA or XPS) • Particle testing • Moisture testing |
Daxun Alloys has been delivering top-tier products worldwide for many years. As your trusted supplier of SS 431 Round Bars/Rods, we guarantee superior quality. Our exports adhere to both national and international quality standards, offering a wide array of specifications. Type 431, a hardenable martensitic stainless steel alloy, boasts high tensile and torsional strength, making it ideal for manufacturing shafts.
For more information on our stainless steel rods, please contact Daxun.
431 Stainless Steel Rod Chemical Composition
| SS UNS S43100 Round Bar Chemical Composition | ||
| 431 | Max | Min |
| C | 0.2 | - |
| Cr | 17 | 15 |
| Fe | Balance | - |
| Mn | 1 | - |
| Ni | 2.5 | 1.25 |
| P | 0.04 | - |
| S | 0.03 | - |
| Si | 1 | - |
| 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 |
Our forming capabilities include cutting-edge radial forging machines, state-of-the-art heat treatment and melting furnaces, and rolling mills designed for titanium rod manufacturing. We also utilize a unique hydroforming process for part production.
Our advanced heat treatment furnace equipment guarantees the consistency and high performance of our stainless steel rods.
Utilizing the world's most advanced vacuum induction, vacuum consumable, and electroslag furnaces, Daxun Stainless Steel minimizes impurities and enhances the final product's performance.
Our diverse range of stainless steel products comes with full certification and is meticulously traceable, ensuring the highest standards of quality. We proudly supply premium stainless steel to a wide array of leading industries, including aerospace, industrial manufacturing, medical fields, marine engineering, and military applications.
| Tensile Strength | Yield Strength | |||||||||||
| Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 inches (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106 psi) |
| 304 | S30400 | A249, A312 | 75,000 | 515 | 75 | 30,000 | 205 | 30 | 35 | - | 90 Rb | 28 |
| 304L | S30403 | A270 A312 | 70,000 | 485 | 70 | 25,000 | 170 | 25 | 35 | - | 90 Rb | 28 |
| 304LN | S30453 | A249, A688 | 75,000 | 515 | 75 | 30,000 | 205 | 30 | 35 | - | 90 Rb | 28 |
| 304H | A30409 | A249, A312 | 75,000 | 515 | 75 | 30,000 | 205 | 30 | 35 | 7 or coarser | 90 Rb | 28 |
| The Mechanical Properties of grade 316L Stainless Steel are displayed in the following table. | |||||
| Grade | Tensile Str | Yield Str | Elong | Hardness | |
| (MPa) min | 0.2% Proof | (% in 50mm) min | |||
| (MPa) min | Rockwell B (HR B) max | Brinell (HB) max | |||
| 316 | 515 | 205 | 40 | 95 | 217 |
| 316L | 485 | 170 | 40 | 95 | 217 |
| 316H | 515 | 205 | 40 | 95 | 217 |
| Tensile Strength | Yield Strength | ||||||||
| Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 inches (min.) % |
| 321 | S32100 | - | 75,000 | 515 | - | 30,000 | 205 | - | 35 |
| 321H | S32109 | - | 75,000 | 515 | - | 30,000 | 205 | - | 35 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 310S | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi - 75000 , MPa - 515 | Psi - 30000 , MPa - 205 | 40% |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness | |
| (MPa) min | 0.2% Proof | (% in 50mm) min | |||
| (MPa) min | Rockwell C (HR C) | Brinell (HB) | |||
| UNS S31803 / 2205 | 621 | 448 | 25 | 31 max | 293 max |
| UNS S32205 / 2205 | 621 | 448 | 25 | 31 max | 293 max |
| Grade | Property | Value |
| 2507/ S32750 |
Density (g/cm3) | 7.8 |
| 0.2% Offset Yield Strength | 80 ksi | |
| Ultimate Tensile Strength | 116 ksi | |
| 0.1% Offset Yield Strength 0.2% | 91 ksi | |
| Elongation in 2 inches, % | 15% | |
| Hardness Rockwell C | 32 | |
| Impact Energy | 74 ft.-lbs | |
| Density | 0.28 lb per inch3 | |
| Modulus of elasticity | 28 x 10(6) psi | |
| Coefficient of thermal expansion | 7.2 x 10(-6) per of at 68 to 212 of | |
| Thermal conductivity | 8.7 Btu/hr ftoF | |
| Heat capacity | 0.12 Btu/ lb oF | |
| Electrical resistivity | 31.5 x10(-6) ohm-inch |
431 Stainless Steel Bar Material boasts outstanding corrosion resistance across a diverse array of corrosive environments. While it shows moderate resistance to saltwater in cool southern waters, its performance may be compromised in warm tropical waters. Generally, the corrosion resistance of 431 Round Bar Material is comparable to, or slightly inferior to, that of 304 Grade Material. Optimal performance is achieved when the surface is smooth and the material is in a hardened and tempered state.
This material resists scaling at intermittent service temperatures up to 925°C and continuous service temperatures up to 870°C. However, it is typically not recommended for applications exceeding the relevant tempering temperature due to a reduction in mechanical properties.
Full annealing is impractical for this grade as it hardens even with slow cooling. For process annealing, heat to 620-660°C and allow to air cool.
Achieve hardening by heating to 980-1065°C, holding for approximately 30 minutes, then quenching in air or oil. Pre-heating at 760-790°C can be beneficial for complex parts or those already hardened. Temper according to mechanical requirements at specified temperatures.
Avoid the tempering range of 425-600°C due to reduced impact toughness, though the effect is less pronounced than in most other martensitic grades.
Welding this material is challenging due to cracking risks. Pre-heating to 200-300°C is advised prior to welding. While Grade 410 filler rods can be used, Grades 308L, 309, or 310 may provide more ductile welds if matching properties are not required. Perform post-weld heat treatment at 650°C.
In its annealed condition, this grade is relatively easy to machine. However, once hardened above 30HRC, machining becomes more challenging. The Ugima Improved Machinability version of Grade 431 offers significant enhancements in machining speeds and tool life.
Ideal for nuts and bolts, propeller shafting, pump shafts, beater bars, and marine hardware.
These properties are specified for bar products in ASTM A276. Similar attributes are specified for other products such as plate and forgings, although they may not be identical.
Stainless steel round bars are extensively utilized across various sectors, from construction to automotive components. Thanks to their versatility, Daxun Alloys provides these bars in multiple grades and sizes. With our advanced free cutting service, we ensure precise fulfillment of your requirements every time.
Can you manufacture SS grinding bars & rods?
Absolutely! Our SS grinding bars and rods boast exceptional precision in dimension, roundness, and straightness, surpassing traditional stainless steel polished bars. However, please note that the meticulous processing involved incurs higher costs.
Q1: What products do you offer?
A: We provide a comprehensive range of stainless steel, including popular grades like 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300 series.
Our selection also includes 400 series and duplex stainless steels such as 2205, 2304, 2101, 2507, in addition to high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce products based on my drawings?
Yes, we can manufacture products precisely according to your drawings, ensuring they meet your exact specifications.
Q3. How does your factory handle quality control?
Quality is our top priority. We maintain strict quality control measures from the very beginning to the final stages of production.
Q4. Can I request a change in packaging and transportation?
Yes, we can modify the packaging and transportation methods to suit your needs.
However, you will be responsible for any additional costs incurred during this process.
Q5. How does your factory handle quality control?
Quality is our top priority. We maintain rigorous quality control from start to finish.
Q6. What is the delivery time?
A: Delivery typically takes 7 to 20 working days after payment confirmation.
For urgent orders, we can expedite the process to meet your timeline.
Q7. What are your payment terms?
A: 100% T/T advance, Western Union (For Small Orders)
B: 30% T/T deposit and 70% balance before shipment
C: 100% Irrevocable LC at sight (For Large Orders)
Q8: Can you produce DDQ (Deep Drawing Quality) materials?
A: Yes, we can. Our materials are suitable for manufacturing stainless steel pots, sinks, bowls, etc. Inform us of your specific use, and we'll adjust the mechanical properties accordingly.
Q9: How can I obtain a sample?
A: We offer FREE samples for your evaluation and testing. For small pieces, we may cover the courier cost, depending on the situation.
Q10: Which countries have you exported to?
A: To date, we've exported stainless steel materials to countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and others.
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