Aung Metals, a reputable manufacturer and supplier located in Naypyidaw, Myanmar, specializes in high-quality **Stainless Steel 904L Round Bars and Rods**. These products are celebrated for their outstanding corrosion resistance, mechanical strength, and durability. Each bar and rod is meticulously engineered to comply with international quality standards, guaranteeing dependable performance even in the most corrosive and demanding industrial settings. Thanks to their high nickel, chromium, and molybdenum content, 904L stainless steel offers exceptional protection against pitting, crevice corrosion, and stress corrosion cracking. Aung Metals’ 904L Round Bars and Rods are perfect for industries like chemical processing, marine, oil and gas, and power generation, ensuring long-lasting operational efficiency.
The composition of Stainless Steel 904L Round Bars and Rods includes about 20–23% chromium, 25–28% nickel, and 4–5% molybdenum, along with trace amounts of copper and manganese. This blend provides remarkable resistance to corrosion and oxidation while maintaining impressive mechanical strength. They boast a tensile strength ranging from 500–700 MPa, yield strength between 215–275 MPa, and an elongation of 35–45%. The material is known for its hardness, toughness, and weldability, making it reliable in high-pressure, high-temperature, and chemically aggressive environments—ideal for critical industrial applications.
| Standards | ASTM / ASME |
| Designation | B 649, SB 649 |
| Grade | 904L Round Bars and Rods 904L Round Bars and Rods: ASTM B 649, ASME SB 649 |
EN/DIN | 1.4539 X1NiCrMoCu25-20-5 |
|---|---|
AFNOR | Z2CNDU25.20 |
UNS | N08904 |
AISI | 904L / F904L |
BS | 904S13 |
SS | 2562 |
OTHER | ASTM A182 ASTM A262 ASTM A479 ASTM B649 / ASME SB649 DIN 17440 EN10088-3 EN10272 NACE MR01-75 / ISO 15156 SEW 400-VdTÜV421 |
BRANDS | URANUS B6™ VLX904™ AL-904L™ CRONIFER 1925™ 2RK65™ |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
|---|---|---|---|---|---|---|---|---|---|
| SS 904L | 0.020 max | 2 max | 1 max | 0.040 max | 0.030 max | 19.0-23.0 | 4.0-5.0 max | 23.00 – 28.00 | 1.0-2.0 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35% |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
|---|---|---|---|
Cold Drawn and Polish | 3.00 – 75.00 | 1/8″ – 3.00″ | h8-h9-h10-h11 |
Cold Drawn and Ground | 10.00 – 75.00 | 5/6″ – 2.50″ | h8-h9-h10-h11 |
Peeled and Polished | 40.00 – 150.00 | 1.50″ – 6.00″ | h11, h11-DIN 1013 |
Peeled and Ground | 20.00 – 50.00 | 3/4″ – 2.00″ | h9-h10-h11 |
Cut to size on request (tolerance +2/-0 mm). Standard lengths of 904L Stainless Steel Bars 2000 mm up to 6000 mm available
5.0 | 45.0 |
6.0 | 50.0 |
7.0 | 55.0 |
8.0 | 60.0 |
9.0 | 65.0 |
10.0 | 70.0 |
12.0 | 75.0 |
16.0 | 80.0 |
20.0 | 90.0 |
25.0 | 100.0 |
30.0 | 130.0 |
35.0 | 160.0 |
40.0 | 904L.0 |
Yes, Stainless Steel 904L Round Bars/Rod can be easily welded, machined, and fabricated, offering excellent work ability due to its high nickel and chromium content, ensuring durability and resistance to corrosion.
Yes, Stainless Steel 904L Round Bars/Rod can be used at high temperatures, typically up to 1000°F (537°C), maintaining excellent corrosion resistance and strength in elevated thermal environments.
Yes, Stainless Steel 904L Round Bars/Rod can be fully recycled without losing quality. Stainless steel is highly recyclable, making it an eco-friendly material for various applications.
Aung Metals’ Stainless Steel 904L Round Bars and Rods are extensively utilized in sectors that demand both corrosion resistance and mechanical strength. They are particularly suited for chemical and petrochemical equipment, pumps, valves, heat exchangers, and marine applications. Furthermore, they find use in structural components, fasteners, and machinery that come into contact with acids, chlorides, and other corrosive substances. Their remarkable durability, precise dimensions, and resistance to pitting and crevice corrosion ensure a long service life and dependable performance in challenging industrial and engineering tasks.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Naypyidaw, Myanmar
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