Sadiki Metals, located in Kinshasa, Congo, stands out as a reputable manufacturer and supplier of top-notch stainless steel products, including Stainless Steel 440C Bars and Rods. Known for their precision, durability, and exceptional quality, Sadiki Metals serves a variety of industrial sectors. The 440C stainless steel bars and rods they provide are designed for remarkable hardness, wear resistance, and corrosion protection, making them perfect for tough applications. With a strong commitment to quality and adherence to international standards, Sadiki Metals has established itself as a reliable partner for clients in search of high-performance stainless steel solutions that offer strength, longevity, and dependability.
Stainless Steel 440C Bars and Rods are made from high-carbon martensitic stainless steel, featuring about 16–18% chromium and 0.95–1.2% carbon. This unique composition enables 440C to reach impressive hardness levels of up to 58–60 HRC after heat treatment. It boasts excellent wear resistance, high tensile strength (around 760–1,000 MPa), and moderate corrosion resistance when compared to other martensitic grades. The alloy also demonstrates good fatigue resistance, toughness, and dimensional stability, making it ideal for applications that require precision, durability, and resistance to wear from abrasion or mechanical stress.
| 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 Bars and Rods find extensive use in applications that require maximum hardness, wear resistance, and precision. They are frequently employed in high-quality bearings, knives, cutlery, valve components, shafts, and turbine parts. Industries such as aerospace, automotive, tooling, and heavy machinery depend on 440C stainless steel for components that can withstand repeated mechanical stress while maintaining performance over time. Additionally, the material’s ability to be polished to a bright, smooth finish makes it particularly suitable for surgical instruments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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