Aung Metals, a reputable manufacturer and supplier located in Naypyidaw, Myanmar, stands out as a top provider of high-quality Alloy Steel AISI 4145 Bars. Known for its precision engineering and rigorous quality control, Aung Metals ensures that its products meet international standards for strength, durability, and performance. The Alloy Steel AISI 4145 Bars are crafted using cutting-edge metallurgical techniques and undergo thorough testing for consistent mechanical properties, guaranteeing reliability even in tough industrial settings. With a strong focus on customer satisfaction and innovation, Aung Metals has become a go-to choice in the construction, oil & gas, and heavy machinery sectors, both in Myanmar and beyond.
The composition of Alloy Steel AISI 4145 Bars includes primarily carbon (0.43–0.48%), manganese (0.75–1.00%), chromium (0.80–1.10%), molybdenum (0.15–0.25%), and nickel (0.30–0.60%), along with small amounts of silicon and sulfur. This blend results in a well-rounded mix of strength, toughness, and wear resistance. The steel boasts a tensile strength ranging from 850 to 1000 MPa, a yield strength of about 650 MPa, and impressive impact toughness. Thanks to its excellent hardenability and fatigue resistance, AISI 4145 maintains its structural integrity even under high stress and temperature conditions, making it perfect for demanding mechanical applications.
| Grade | Nitronic alloy 40 Round Bar bars |
|---|---|
| Specification | DIN, JIS, ASTM, BS, ASME, AISI |
| Nitronic 40 Square bar size | 4 to 100mm |
| Nitronic Alloy 40 Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| 40 Nitronic Alloy Hex Bar size | 2-100mm A/F |
| Nitronic 40 Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Nitronic Alloy 40 Rectangles Size | 33 x 30mm to 295 x 1066mm |
| 40 Nitronic Alloy Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Nitronic 40 Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Nitronic Alloy 40 Section | 3.0 to 12.0mm thickness |
| 40 Nitronic Alloy Round bar size | Diameter: 3-~800mm |
| Nitronic 40 Billet Size | 1/2″ to 495mm Diameter |
| Nitronic Alloy 40 Round Bar Standard Dimensions | Diameter / Height: |
| Nitronic 40 Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Nitronic Alloy 40 Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| 40 Nitronic Alloy Technique | Nitronic 40 Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Nitronic 40 Condition | Hardened & tempered, annealed |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Form | Nitronic 40 Round, Rod, T-Bar, Nickel Alloy Channel Bar, Precision Ground Bar, Nickel Alloy Flat Bar, Nickel Alloy Square Bar, Nickel Alloy Blocks, Nickel Alloy Round Rod, Nickel Alloy Rings, Nickel Alloy Hollow, Nickel Alloy Triangle, Rectangle, Hex (A/F), Nickel Alloy Threaded, Half Round Bar, Profiles, Nickel Alloy Billet, Nickel Alloy Ingot, I/H Bar, Forging etc. |
| Processing | Bar cutting to 650mm |
| Our Nitronic 40 Round bar conforms to NACE MR0175/ISO 15156 | |
| Grade | C | Mn | S | Si | N | Ni | Cr |
| Nitronic Alloy 40 | 0.08 | 10.0 – 8.0 | 0.030 | 1.00 | 0.40 – 0.15 | 7.50 – 5.50 | 21.50 – 19.00 |
Ultimate Tensile, min. | Yield Strengtd (0.2% OS) min. | Elong. in 2 in., or 50mm, min., % | R/A | Hardness, max. | |
Min | 95 KSi | 48 KSi | 35 |
| |
Max | 241 Brinell | ||||
Min | 655 MPa | 330 MPa | |||
Max | 100 Rockwell B |
| STANDARD | UNS | DIN |
|---|---|---|
| Nitronic 40 Round Bars | S21900 | – |
Nitronic 40 bars are available in both rough and smooth finishes, depending on the manufacturing process and customer requirements. Smooth finishes are typical for applications needing better aesthetics or precision.
Nitronic 40 rods are available in sizes ranging from 3mm to 300mm diameter. Finishes include bright, polished, black, and rough-turned, catering to industrial and decorative applications.
Yes, Nitronic 40 bar can be welded using standard methods like TIG, MIG, and shielded metal arc welding. Preheating is not required, and post-weld annealing ensures optimal properties.
Alloy Steel AISI 4145 Bars find extensive use in industries that require high strength, toughness, and fatigue resistance. They are particularly well-suited for manufacturing drilling tools, shafts, gears, couplings, and connecting rods used in oil and gas exploration equipment. Additionally, these bars are widely utilized in heavy-duty machinery, construction equipment, and automotive components that operate under significant stress. Their outstanding hardenability and wear resistance make them ideal for applications that demand durability and precision. Whether in mechanical engineering or power generation, AISI 4145 Bars from Aung Metals provide dependable performance and a long service life in challenging industrial environments.
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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