Stainless Steel 15-7 MO Bars and Rods are celebrated for their remarkable strength, toughness, and resistance to corrosion, making them perfect for high-performance and precision-critical applications. As a martensitic precipitation-hardening stainless steel, 15-7 MO boasts excellent mechanical stability and can reach impressive hardness levels through controlled heat treatment. These bars and rods deliver outstanding performance across a broad temperature range, ensuring reliable resistance to fatigue, stress corrosion cracking, and distortion. With their excellent formability and weldability, along with long-lasting durability, SS 15-7 MO has become a go-to material in industries like aerospace, marine, petrochemical, and advanced engineering.
The composition of Stainless Steel 15-7 MO Bars and Rods includes chromium, nickel, and a touch of molybdenum, which boosts their strength and corrosion resistance. With the right aging treatments, they can achieve tensile strengths between 1030 and 1400 MPa and yield strengths from 930 to 1310 MPa. This alloy is known for its impressive toughness, stable microstructure, and high fatigue strength, even in tough or changing environments. Its ability to maintain dimensional stability and mechanical performance at elevated temperatures makes it an excellent choice for precision-engineered and heavy-duty components.
Dimension : EN, DIN, JIS, ASTM, BS, ASME, AISI
Grade : 15-7MO (UNS No. S15700) Round Bars 1.4532
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Surface : Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline
Application : Chemical process, Food processing, Petrochemical, Pollution control, Pulp and Paper, Refining
Condition : Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished.
Our 15-7MO Round Bars conforms to NACE MR0175/ISO 15156
| Weight% | C | Mn | Si | P | S | Cr | Ni | Mo | Al |
| 15-7Mo | 0.09 | 1 | 1 | 0.04 | 0.03 | 14-16 | 6.50-7.75 | 2-3 | 0.75-1.5 |
| Material | Condition | Thickness (in) | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation % | Hardness |
| Alloy 15-7 Mo | Solution Treated | <0.005 | 150 (max) | 65 (max) | 25 | 100 HB (max) |
| Alloy 15-7Mo | TH1050 (AMS 5520) | 0.010-0.020 | 190 | 170 | 4 | 40 HRC |
| Alloy 15-7 Mo | TH1050 (AMS 5520) | 0.020-0.1875 | 190 | 170 | 5 | 40 HRC |
| Alloy 15-7 Mo | TH1050 (AMS 5520) | 0.1875-0.500 | 190 | 170 | 6 | 40 HRC |
| Alloy 15-7 Mo | RH950 (AMS 5520) | 0.010-0.020 | 225 | 220 | 3 | 45 HRC |
| Alloy 15-7 Mo | RH950 (AMS 5520) | 0.020-0.1875 | 225 | 220 | 4 | 45 HRC |
| Alloy 15-7 Mo | RH950 (AMS 5520) | 0.1875-0.500 | 225 | 220 | 5 | 45 HRC |
| Alloy 15-7 Mo | Condition C | – | 200 | 175 | 1 | 41 HRC |
| Alloy 15-7 Mo | Condition CH900 | – | 240 | 230 | 1 | 46 HRC |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 15-7MO | 1.4532 | S15700 |
Stainless Steel 15-7 MO Bars and Rods are typically heat-treated to achieve optimal strength and hardness. The standard heat treatment involves solution annealing at 1030-1070°C followed by a rapid quenching process to enhance their mechanical properties, such as tensile and yield strength.
Stainless Steel 15-7 MO Bars and Rods generally require minimal maintenance due to their excellent corrosion resistance. Regular cleaning with non-abrasive materials is recommended to maintain their appearance and prevent surface corrosion. For extreme environments, periodic inspections and maintenance are advised to ensure their long-term performance.
You’ll find Stainless Steel 15-7 MO Bars and Rods commonly used in aerospace components like springs, diaphragms, fasteners, structural fittings, and high-load mechanical parts. They’re also utilized in petrochemical equipment, marine hardware, chemical processing systems, and instrumentation components that require high strength and corrosion resistance. In the realm of industrial manufacturing, these bars and rods are perfect for pump shafts, valve components, precision machined parts, and high-stress structural elements. Their outstanding durability, resistance to extreme conditions, and superior mechanical properties make 15-7 MO a trusted choice for advanced engineering applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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