Rupal Metals stands out as a top manufacturer and supplier located in Delhi, India, celebrated for its high-performance stainless steel products, particularly the durable Stainless Steel 440C Rectangular Bars. These bars are specifically designed for applications that require exceptional hardness, wear resistance, and a bit of corrosion resistance. At Rupal Metals, we leverage cutting-edge technology and high-quality raw materials to create precision-engineered 440C bars that adhere to international standards. Our dedication to excellence, prompt delivery, and customer satisfaction has built us a solid reputation across various sectors, including engineering, defense, tooling, and industrial manufacturing, both in India and globally.
Stainless Steel 440C Rectangular Bars are high-carbon martensitic stainless steel alloys recognized for their remarkable hardness and wear resistance. Their typical makeup features 16–18% chromium, 0.95–1.20% carbon, along with trace amounts of manganese, silicon, and molybdenum. With the right heat treatment, they can reach a Rockwell hardness of up to 60 HRC. These bars provide impressive tensile strength (up to 760 MPa), good dimensional stability, and moderate corrosion resistance. While Stainless Steel 440C isn’t the best choice for welding, it excels in environments that demand high mechanical strength and precision.
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 |
Yes, Stainless Steel 440C Rectangular Bars should undergo regular inspection to ensure their integrity, performance, and resistance to wear and corrosion.
Considerations for selecting Stainless Steel 440C Rectangular Bars include their hardness, corrosion resistance, tensile strength, application requirements, and environmental conditions.
Yes, Stainless Steel 440C Rectangular Bars can be recycled, as stainless steel is highly recyclable without losing its properties.
Stainless Steel 440C Rectangular Bars are perfect for crafting components that need top-notch hardness and wear resistance. They’re commonly used in making bearings, valve parts, surgical instruments, dies, molds, and high-performance industrial tools. In industries like aerospace, automotive, and defense, these bars play a crucial role in mechanisms where accuracy and durability are paramount. Their excellent edge retention and strength also make them ideal for knife blades and cutting tools. Although they have limited corrosion resistance compared to austenitic grades, 440C bars are still a reliable choice for demanding applications.






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