Aung Metals, located in Naypyidaw, Myanmar, has built a solid reputation as a reliable manufacturer and supplier of Stainless Steel 440C Round Bars and Rods, celebrated for their exceptional quality and precision engineering. With state-of-the-art production facilities and rigorous quality control measures, Aung Metals guarantees products that align with international standards. Our 440C stainless steel bars and rods are not only incredibly durable and resistant to corrosion but also perfectly suited for demanding industrial applications. With years of experience under our belt and a strong commitment to customer satisfaction, Aung Metals caters to a variety of industries, delivering dependable materials that ensure performance, longevity, and value for all your engineering and manufacturing needs.
Stainless Steel 440C is a high-carbon martensitic stainless steel that contains about 1.0% carbon, 16–18% chromium, along with trace elements like manganese, silicon, and molybdenum. This unique composition grants it remarkable hardness and wear resistance after heat treatment. It boasts a tensile strength ranging from 760 to 1900 MPa, a yield strength between 450 and 1600 MPa, and impressive Rockwell hardness that can reach up to 60 HRC. While it offers moderate corrosion resistance, its mechanical strength and edge retention make it the go-to choice for components that require outstanding hardness and dimensional stability.
Stainless Steel Round Bar Specification : ASTM A276 / A479, ASME SA276 / A479
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 14mm-300mm
Thickness : 50 mm to 6000 mm Long
Length : 1 To 6 Meters, Custom Cut Length
Form : Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc.
|
SS 440C |
Min |
Max |
|---|---|---|
|
Si |
– |
1.00 |
|
C |
0.95 |
1.20 |
|
Mo |
0.00 |
0.75 |
|
P |
– |
0.04 |
|
Ni |
– |
1.00 |
|
Mn |
– |
1.00 |
|
Cr |
16.00 |
18.00 |
|
S |
0.15 |
0.03 |
|
Element |
SS 440C |
|---|---|
|
Tensile (UTS)N/mm² |
1965 |
|
Temp°C |
20 |
|
Reductionof Area |
10 |
|
Elongation(50.8mm) %) |
2 |
|
0.2% YieldN/mm² |
1896 |
|
HardnessHRc |
57 |
|
STANDARD |
UNS |
WERKSTOFF NR. |
JIS |
|---|---|---|---|
|
SS 440C |
S44004 |
1.4125 |
SUS 440C |
Type | SIZES (Inches) | ISO Tolerance | SIZES (mm) |
|---|---|---|---|
Peeled and Polished | 1.50″ to 6.00″ | h11-DIN 1013 | 40.00 to 150.00 |
Cold Drawn and Ground | 5/6″ to 2.50″ | h9-h8-h11-h10 | 10.00 to 75.00 |
Cold Drawn and Polish | 1/8″ to 3.00″ | h9-h8-h11-h10 | 3.00 to 75.00 |
Peeled and Ground | 3/4″ to 2.00″ | h10-h9-h11 | 20.00 to 50.00 |
Cut to size on request (tolerance +2/-0 mm). 440C Stainless Steel Bars Standard lengths of 2000 mm up to 6000 mm.
50.0 | 6.0 |
45.0 | 5.0 |
60.0 | 8.0 |
55.0 | 7.0 |
70.0 | 10.0 |
65.0 | 9.0 |
75.0 | 12.0 |
90.0 | 20.0 |
80.0 | 16.0 |
100.0 | 25.0 |
160.0 | 35.0 |
130.0 | 30.0 |
200.0 | 40.0 |
Yes, Stainless Steel 440C Round Bars/Rods can be used in cryogenic applications. Their high hardness and strength remain effective at low temperatures, making them suitable for use in cryogenic environments.
Yes, Stainless Steel 440C Round Bars/Rods require regular inspection to ensure their structural integrity, especially in high-stress applications, to detect any signs of wear, corrosion, or cracks over time.
Yes, Stainless Steel 431 Round Bars/Rods can be welded, although preheating and post-weld heat treatment are recommended to prevent cracking and maintain the material's mechanical properties.
Stainless Steel 440C Round Bars and Rods find their place in various industries that demand high strength, wear resistance, and precision. You’ll commonly see them in applications like bearing races, valve components, surgical instruments, molds, dies, and pump shafts. They’re also popular in automotive parts, aerospace components, and cutlery manufacturing, thanks to their ability to maintain sharpness and resist deformation under stress. In the petrochemical and marine sectors, 440C stainless steel delivers reliable performance even in mildly corrosive environments. Its machinability, hardness, and polishability make it a top choice for tooling, mechanical parts, and engineering applications that require durability and accuracy.
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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