Starc Metals stands out as a top-notch manufacturer and supplier of Stainless Steel 440C Round Bars and Rods, proudly based in Canberra, Australia. Known for our commitment to quality, precision, and reliability, we provide high-performance stainless steel products that not only meet international standards but also cater to our customers’ specific needs. Our Stainless Steel 440C Round Bars and Rods are celebrated for their remarkable hardness, wear resistance, and corrosion resistance, making them perfect for high-stress and precision applications. With cutting-edge manufacturing processes and rigorous quality control, Starc Metals supports various industries, including aerospace, automotive, tooling, and industrial machinery, delivering durable and dependable solutions for critical engineering challenges.
Stainless Steel 440C Round Bars and Rods are crafted from a high-carbon martensitic stainless steel blend, featuring around 16–18% chromium, 0.95–1.2% carbon, 0.75% manganese, 0.3% silicon, along with trace amounts of phosphorus and sulfur. This unique composition grants them outstanding hardness, wear resistance, and moderate corrosion resistance. Their mechanical properties boast a tensile strength ranging from 760–1,000 MPa, a yield strength of about 450–700 MPa, and a density of 7.7 g/cm³. Additionally, 440C offers impressive fatigue resistance, good machinability in its annealed state, and excellent dimensional stability, making it a go-to choice for precision engineering and heavy-duty applications.
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.
You’ll find Stainless Steel 440C Round Bars and Rods in a variety of applications that demand high hardness, wear resistance, and moderate corrosion resistance. In the aerospace and automotive industries, they’re commonly used for bearings, shafts, and precision components. Industrial machinery relies on them for gears, valves, and cutting tools. The tooling sector takes advantage of 440C bars and rods for molds, dies, and knives, thanks to their exceptional wear resistance. They also find their place in marine equipment, fasteners, and high-stress mechanical parts. At Starc Metals, we ensure that our Stainless Steel 440C Round Bars and Rods are precision-engineered for lasting durability.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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