439 Stainless Steel Tube Details
Overview
439 stainless steel tube is a ferritic stainless steel alloy known for its good corrosion resistance, formability, and high-temperature performance. It is commonly used in applications where moderate to high corrosion resistance is required, along with durability and ease of fabrication.
Key Characteristics
Corrosion Resistance: Provides good resistance to oxidation and corrosion, particularly in mildly corrosive environments. It is suitable for applications exposed to acidic or alkaline conditions.
High-Temperature Performance: Maintains strength and resistance to oxidation at elevated temperatures, making it suitable for high-temperature applications.
Formability: Excellent formability allows it to be easily shaped and fabricated into various forms and sizes.
Weldability: Can be welded using standard techniques with good results. Generally, no special procedures are required compared to other ferritic grades.
Magnetic Properties: Magnetic due to its ferritic structure, which is advantageous for certain applications requiring magnetic characteristics.
Chemical Composition
Carbon (C): ≤ 0.03%
Manganese (Mn): 0.50-0.80%
Silicon (Si): ≤ 1.00%
Phosphorus (P): ≤ 0.040%
Sulfur (S): ≤ 0.030%
Chromium (Cr): 16.00-18.00%
Nickel (Ni): ≤ 0.75%
Common Applications
Automotive Exhaust Systems: Used in automotive exhaust systems, including mufflers and catalytic converters, where moderate corrosion resistance and high-temperature performance are required.
Industrial Equipment: Applied in various industrial equipment and machinery that operates in moderately corrosive or high-temperature environments.
Architectural Features: Suitable for architectural applications and decorative elements exposed to outdoor conditions.
Home Appliances: Employed in kitchen appliances and other household items where good formability and corrosion resistance are important.
Advantages
Good Corrosion Resistance: Offers reliable performance in mildly corrosive environments, making it suitable for automotive, industrial, and architectural applications.
High-Temperature Resistance: Maintains strength and resistance to oxidation at elevated temperatures, suitable for high-temperature environments.
Excellent Formability: Easily fabricated into different shapes and sizes, allowing for versatile manufacturing and design options.
Cost-Effective: Provides a balance of performance and affordability, making it a practical choice for various applications.
Summary
439 stainless steel pipe/tube is a ferritic stainless steel known for its good corrosion resistance, high-temperature performance, and excellent formability. Its chemical composition and properties make it suitable for a range of applications, including automotive exhaust systems, industrial equipment, architectural features, and home appliances. With its combination of durability, formability, and cost-effectiveness, 439 stainless steel is a reliable choice for applications requiring moderate to high performance.
For more detailed information or specific inquiries about 439 stainless steel pipe/tube, please contact us.
Common surfaces
Stainless Steel Standards Comparison Table
STS | USA | UNS | CHINA | EURONORM | RUSSIA | SWEDISH | JAPANESE | |
---|---|---|---|---|---|---|---|---|
GRADE | AISI/ASTM | NO | GB | NO | NAME | GOST | SS | JIS |
201 | 201 | S20100 | 12Cr17Mn6Ni5N | 1.4372 | - | - | - | SUS 201 |
301 | 301 | S30100 | 12Cr17Ni7 | 1.4310 | X 12 CrNi 17 7 | - | 2331 | SUS 301 |
303 | 303 | S30300 | 1Cr18Ni9MoZr | 1.4305 | X 10 CrNiS 18 9 | - | 2346 | SUS 303 |
304 | 304 | S30400 | 06Cr18Ni9 | 1.4301 | X 6 CrNi 18 10 | 08KH18N10 06KH18N11 |
2332 | SUS 304 |
304L | 304L | S30403 | 022Cr19Ni10 | 1.4307 | X 3 CrNi 18 10 | 03KH18N11 | 2352 | SUS 304L |
316 | 316 | S31600 | 0Cr17Ni12Mo2 | 1.4401 | X 6 CrNiMo 17 12 2 | - | 2347 | SUS 316 |
316L | 316L | S31603 | 022Cr17Ni12Mo2 | 1.4404 | X 3 CrNiMo 17 12 2 | - | 2348 | SUS 316L |
316Ti | 316Ti | S31635 | 0Cr18Ni12Mo2Ti | 1.4571 | X 6 CrNiMoTi 17 12 2 | 08KH17N13M2T 10KH17N13M2T |
2350 | - |
321 | 321 | S32100 | 0Cr18Ni11Ti | 1.4541/1.4878 | X 6 CrNiTi 18 10 | 12KH18N10T | 2337 | SUS 321 |
347 | 347 | S34709 | 0Cr18Ni11Nb | 1.4550 | X 6 CrNiNb 18 10 | - | 2338 | SUS 347 |
309S | 309S | S30908 | 0Cr23N13 | 1.4833 | X 6 CrNi 22 13 | 20KH23N18 | - | SUS 309S |
310S | 310S | S31008 | 06Cr25Ni20 | 1.4842 | X 6 CrNi 25 20 | 20KH25N20S2 | 2361 | SUS 310S |
416 | 416 | S41600 | Y1Cr13 | 1.4005 | X12CrS13 | - | 2380 | SUS 416 |
2205 | 2205 | S32205/S31803 | 00Cr22Ni5Mo3N | 1.4462 | X2CrNiMoN22-5-3 | 02Ch22N5AM2 | 2377 | SUS 329J3L |
2507 | 2507 | S32750 | 00Cr25Ni7Mo4N | 1.4410 | X 2 CrNiMoN 25-7-4 | - | - | - |
904L | 904L | N08904 | - | 1.4539 | - | - | - | - |
254SMO | 254SMO | S31254 | - | 1.4547 | X1CrNiMoCuN20-18-7 | - | 2378 | - |
253MA | 253MA | S30815 | - | 1.4835 | X9CrNiSiNCe21-11-2 | - | 2368 | - |
17-4PH/630 | 17-4PH/630 | S17400 | 0Cr17Ni4Cu4Nb | 1.4542 | X5CrNiCuNb16-4 | 05Ch16N4D2B | - | SUS630 |