Anucha Metals, a well-respected manufacturer and supplier based in Bangkok, Thailand, has built a solid reputation for providing top-notch Stainless Steel 440C Bars and Rods to clients both locally and internationally. With a strong emphasis on durability, precision, and adherence to global standards, the company delivers products that excel even in the toughest conditions. Stainless Steel 440C Bars and Rods are celebrated for their remarkable hardness, strength, and resistance to wear. Anucha Metals serves a variety of industries, including automotive, aerospace, tooling, and engineering, offering dependable stainless steel solutions designed for critical industrial applications.
These Stainless Steel 440C Bars and Rods are high-carbon martensitic stainless steels, featuring approximately 16–18% chromium, 0.95–1.20% carbon, along with trace amounts of manganese, silicon, and molybdenum. This unique blend results in outstanding hardness, corrosion resistance, and edge retention. On the mechanical side, 440C boasts a tensile strength ranging from 760 to 1000 MPa, a yield strength of about 450 MPa, and exceptional wear resistance. It can be heat-treated to achieve impressive hardness levels, providing remarkable strength and dimensional stability. Thanks to this combination of toughness and resistance, Stainless Steel 440C Bars and Rods are perfect for demanding mechanical and structural applications.
| Specification | ASTM A479/ SA479 ASTM A276/ ASME SA276 |
|---|---|
| Grade | Stainless Steel 440C (UNS S44004) |
| Hex Bar size | 18 to 57mm (11/16″ – 2-3/4″) |
| Round bar size | OD 4mm to 500mm |
| Square bar size | 18mm to 47mm (11/16″- 1-3/4″) |
| Billet Size | 1/2″- 495mm Dia. |
| Rectangles Size | 33 x 30mm – 295 x 1066mm |
| Bright Bar | OD 4mm to 100mm |
| Tolerance | K12 H12, K10, H9, H11, H8, H13K9, H10, K11, or as per need |
| Flat bar size | 1/2” to 10” in thickness of 2 to 150mm |
| Angle bar size | 3*20*20~12*100*100 |
| Finish | centreless ground, Cold (bright) drawn, hot rolled, peeled, smooth turned, hot rolled annealed, slit rolled edge, Bright, Rough Turned, Grinding, Polish & Black |
| Form | Flat Bar, Hollow, Round, Square, Triangle, Rectangle, Half Round Bar, Rod, T-Bar, Precision Ground Bar, Hex (A/F), Blocks, Channel Bar, Threaded, Round Rod, Billet, Profiles, I/H Bar, Ingot, Rings, Forging etc. |
| Technique | 440C Stainless Steel Hot Rolled, Cold Drawn, Rod, Forged Round Bar, Cold Rolled |
| Condition | annealed, Hardened & tempered |
| Section | 3.0 -12.0 mm thickness, 80 x 40 to 150 x 75mm section |
| Channel Bar | 5.0 – 6.0mm thickness |
| Surface | Bright, Cold Drawn, Hot Rolled Pickled, Sand Blasting Finished, Polished, Hairline |
| Hollow Bar | 32mm OD x 16mm ID – 250mm OD x 200mm ID |
|
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 |
Stainless Steel 440C Bars and Rods are known for their high hardness, achieving up to 58-60 HRC when heat-treated. This makes them ideal for applications requiring excellent wear and abrasion resistance.
Stainless Steel 440C offers good corrosion resistance in mild environments, but for more aggressive conditions (like exposure to saltwater), it is recommended to use more corrosion-resistant stainless steel grades like 316 or 317.
Stainless Steel 440C is widely used in industries such as aerospace, automotive, manufacturing, and medical fields for components like bearings, valve parts, cutting tools, and high-precision machinery.
These bars and rods find extensive use in industries that demand exceptional hardness, wear resistance, and durability. In the aerospace and defense sectors, they are utilized for bearings, bushings, and components that endure high stress. The tooling industry counts on them for knives, cutting tools, surgical instruments, and molds. In automotive and mechanical engineering, they are essential for shafts, gears, and precision parts that face significant wear. Additionally, they are used in food processing equipment and valve components. With their ability to thrive in harsh environments and maintain strength under pressure, Stainless Steel 440C Bars and Rods are the go-to choice for high-performance applications.






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