| Product Parameters: Stainless Steel rod |
| Material |
2507 S32750 |
| 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 |
Your Global Authority in Stainless Rod and Round Bar Fabrication Services
Discover our range of ASTM A276 Super Duplex Steel S32750 Round Bars. As a premier Super Duplex Steel Bar Supplier, we offer high-quality Super Duplex Steel UNS S32760 Bright Bars, Super Duplex Steel 2507 Bars, and Super Duplex Steel UNS S32950 Flat Bars. Our collection also includes Austenitic Super Duplex Steel S32760 Round Bars, Hot Rolled Super Duplex Steel S32760 Round Bars, and Super Duplex Steel UNS S32750 from China's leading manufacturer.
Hot-Rolled Stainless Steel Rods
Our stainless steel rods and bars undergo meticulous heating and rolling processes through multiple passes in a rolling mill. With comprehensive specifications, they meet high standards and performance requirements.
Cold-Drawn Bright Stainless Steel Rods
These cold-drawn stainless steel rods are meticulously processed under cold working conditions for a flawlessly smooth surface. They can also be polished and ground to perfection.
Precision-Forged Stainless Steel Rods and Bars
Our forged stainless steel rods are subjected to multiple forging processes to enhance their mechanical properties and ensure superior strength.
Key Properties
Our expansive network of service centers houses a robust inventory of stainless steel bar products, ensuring a fast and reliable supply of common bar sizes and alloys. We offer custom-sized bars and can organize stocking programs for quantities below factory minimums, ensuring rapid turnaround. Daxun Alloys provides stainless steel round bars in diameters ranging from 1/16" to 26", available in a wide array of grades including 302, 303, 304/L, 309/S, 310/S, 316/L, 317/L, 321, 321/H, 347, 347H, 410, 416, 420, 440C, 17-4PH, Duplex 2205, and Alloy 20.
Comprehensive Services
Our extensive inventory predominantly features our uniquely processed stainless steel round bars, meticulously melted to ensure consistent standards, enhanced machinability, and reduced part costs. Equipped with advanced stainless steel bar processing machinery, Daxun Alloys meets the precise specifications of our valued customers.
1. Heat Treatments: Our state-of-the-art facilities enable us to perform specialized heat treatments on our stainless steel bars, based on the unique chemistry of the metal. 2. Positive Material Identification (PMI): We offer in-house PMI testing or collaborate with independent laboratories for comprehensive material verification. 3. Ultrasonic Testing (UT): Utilizing high-frequency sound energy, our UT services ensure meticulous defect detection, evaluation, and dimensional measurement of stainless steel bars.
Contact Daxun for More Information on Stainless Steel Rods
Chemical Composition of 2507 Stainless Steel Rod
| Grade |
Super Duplex 2507 |
| UNS Designation |
S32750 |
| Carbon (C) Max. |
0.03 |
| Manganese (Mn) Max. |
1.2 |
| Phosphorous (P) Max. |
0.035 |
| *** (S) Max. |
0.02 |
| Silicon (Si) Max. |
0.8 |
| Chromium (Cr) |
24.0-26.0 |
| Nickel (Ni) |
6.0-8.0 |
| Molybdenum (Mo) |
3.0-5.0 |
| Nitrogen (N) |
0.24-0.32 |
| Iron (Fe) |
Bal. |
| Copper (Cu) |
0.5 |
| Other Elements |
- |
Mechanical Properties of 2507 Stainless Steel Rod
| Physical Properties of Super Duplex 2507 Alloys in the Annealed Condition at -20°F to +100°F |
| |
|
|
Tensile Strength |
Yield Strength |
|
|
|
|
|
|
| Alloy |
UNS Designation |
Spec. |
psi |
MPa |
ksi |
psi |
MPa |
ksi |
Elongation in 2 in. (min.) % |
Grain Size Req. |
Max. Hardness |
Modulus of Elasticity (x106 psi) |
Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) |
Thermal Conductivity (BTU-in/ ft2-h-°F) |
| Super Duplex 2507 |
S32950 |
A789, A790 |
100,000 |
690 |
100 |
70,000 |
485 |
70 |
20 |
- |
30.5 Rc |
- |
- |
- |
| Super Duplex 2507 |
S32750 |
A789, A790 |
116,000 |
800 |
116 |
80,000 |
550 |
80 |
15 |
- |
32 Rc |
27.5 |
7.2 |
98 |
Physical Properties of 2507 Stainless Steel Rod
| Density, lb/in3 |
0.28 |
| Modulus of Elasticity, psi |
29.0x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F |
7.5 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F |
8 |
| Specific Heat, Btu/lb ˚F |
0.12 |
| Electrical Resistivity, Microhm-in |
31.5 |
Daxun's Advanced Stainless Steel Rod Manufacturing Capabilities
Our forming capabilities include leading-edge radial forging machines, advanced heat treatment furnaces, high-efficiency melting furnaces, and precision rolling mills. Additionally, we employ a unique hydroforming process to manufacture specialized parts.
State-of-the-Art Heat Treatment Furnace at Daxun
Our advanced heat treatment furnace equipment ensures the stainless steel rods' material stability and high performance.
Daxun's Superior Smelting Ability
Utilizing the world's most advanced vacuum induction furnace, vacuum consumable furnace, and electroslag furnace, Daxun Stainless Steel significantly reduces impurities during the smelting process, thereby enhancing the performance of the finished stainless steel rods.
Let us be your Trustworthy Stainless Steel Rod Supplier
Our stainless steel products are fully certified and meticulously traceable. We pride ourselves on supplying the highest quality stainless steel to leading industries including aerospace, industrial, medical, marine, and military sectors. Trust in our unparalleled expertise to meet your most stringent demands.
Mechanical Properties of Various Grades of Stainless Steel Bars
| |
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 |
For further information on our superior stainless steel rods, please get in touch with Daxun. Our team is ready to assist you with any inquiries or technical support you may need.
DUPLEX 2507 STAINLESS STEEL ROD AND BAR
- Daxun Alloys' Stainless Steel inventory proudly includes the Duplex 2507 Round Bar-a super duplex stainless steel bar meticulously crafted with 25% chromium, 4% molybdenum, and 7% nickel. This alloy is quintessential for applications demanding exceptional strength and unparalleled corrosion resistance, such as chemical processing, petrochemical, and seawater equipment. It boasts robust resistance to chloride stress corrosion cracking, superior thermal conductivity, and a minimal coefficient of thermal expansion. Thanks to its high chromium, molybdenum, and nickel content, it delivers outstanding resistance to pitting, crevice, and general corrosion.
GENERAL PROPERTIES
- Duplex 2507 (UNS S32750) stands as a super duplex stainless steel bar enriched with 25% chromium, 4% molybdenum, and 7% nickel. Engineered for the most demanding applications, it offers high strength and remarkable corrosion resistance, making it ideal for chemical processing, petrochemical, and seawater equipment. With its formidable resistance to chloride stress corrosion cracking, excellent thermal conductivity, and low coefficient of thermal expansion, the high chromium, molybdenum, and nickel content ensures superior protection against pitting, crevice, and general corrosion.
Applications
- Oil and gas industry equipment
- Offshore platforms, heat exchangers, process and service water systems, fire-fighting systems, injection and ballast water systems
- Chemical process industries, including heat exchangers, vessels, and piping
- Desalination plants, high-pressure RO plants, and seawater piping solutions
- Mechanical and structural components requiring high strength and corrosion-resistant properties
- Power industry FGD systems, featuring utility and industrial scrubber systems, absorber towers, ducting, and piping
Standards
- ASTM/ASME ...... A240 - UNS S32750
EURONORM ....... 1.4410 - X2 Cr Ni MoN 25.7.4
AFNOR ........... Z3 CN 25.06 Az
Can you provide SS grinding bars and rods?
Yes, we can provide SS grinding bars and rods with exceptional precision in dimension, roundness, and straightness. These surpass the quality of stainless steel polished bars, though the processing cost is higher.
Q1: What products do you offer?
A: We offer a variety of general steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, and 316.
Additionally, we supply the 300 and 400 series, duplex stainless steels like 2205, 2304, 2101, and 2507, as well as high-nickel alloys such as 904L, 800H, and 600H.
Q2: Can you manufacture products according to my drawings?
Yes, we can produce products based on your drawings to ensure complete satisfaction.
Q3: How does your factory manage quality control?
Quality is our top priority. We maintain rigorous quality control from the start of production to the final product.
Q4: Can I request changes to packaging and transportation?
Yes, we can modify the packaging and transportation according to your specifications.
However, you would need to cover any additional costs incurred during this process.
Q5: How does your factory manage quality control?
Quality is our top priority. We maintain rigorous quality control from the start of production to the final product.
Q6: What is your delivery time?
A: Our delivery time ranges from 7 to 20 working days after payment confirmation.
For urgent orders, we expedite the process in our workshop to meet your deadlines.
Q7: What are your payment terms?
A: 100% T/T in advance, or Western Union for small orders.
B: 30% T/T upfront, with the remaining 70% before shipment.
C: 100% Irrevocable LC at sight for large orders.
Q8: Do you produce DDQ (Deep Drawing Quality) materials?
A: Yes, we do. Our materials are suitable for items like stainless steel pots, sinks, and bowls. Let us know your specific application, and we'll adjust the mechanical properties accordingly.
Q9: How can I obtain a sample?
A: We provide FREE samples for your evaluation and testing. For small pieces, we can cover courier costs, depending on the situation.
Q10: Which countries have you exported to?
A: So far, we have exported our stainless steel materials to countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, and Ukraine, among others.
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