PH Grades Round Bars List Manufacturer, Stockist and Exporter
PH Grades Round Bars are widely recognized for their exceptional strength, corrosion resistance, and heat-treatment flexibility, making them ideal for demanding industrial applications. These bars are produced using advanced precipitation-hardening methods that enhance their mechanical performance without compromising ductility. Industries such as aerospace, petrochemical, marine, and nuclear rely heavily on PH grades due to their consistent structural stability. The most common grades include 17-4 PH, 15-5 PH, 13-8 Mo, and other martensitic PH stainless steels. Each grade offers unique characteristics tailored to specific performance environments. Their excellent machinability in solution-annealed condition further improves fabrication efficiency. As a result, PH Grades Round Bars are a preferred choice for high-performance engineering projects.
Manufacturers of PH Grades Round Bars follow stringent quality protocols to ensure the material meets international standards. The production process involves melting, forging, heat treatment, machining, and finishing steps designed to achieve precise dimensional accuracy. These bars come in various diameters, lengths, and tolerances based on customer requirements and global specifications such as ASTM A564 and AMS standards. Their ability to retain strength at elevated temperatures makes them suitable for high-stress components. PH bars are also widely chosen for shafts, fasteners, valves, pump parts, and structural assemblies. Quality testing includes tensile, hardness, chemical composition, and ultrasonic examinations. This ensures consistent performance in critical applications.
One of the most popular grades, 17-4 PH, provides a balanced combination of high tensile strength, corrosion resistance, and ease of fabrication. It achieves remarkable hardness levels after H900 to H1150 heat treatment conditions. This grade is commonly used in aerospace fittings, chemical processing parts, and offshore drilling components. Its superior resistance to stress-corrosion cracking makes it a dependable material in chloride environments. Engineers prefer 17-4 PH due to its excellent weldability compared to other high-strength stainless steels. The alloy can be forged and machined efficiently, reducing manufacturing time and costs. Its reliability across industries continues to expand its global usage.
Worldwide PH Grades Round Bars List Manufacturer, Stockist and Exporter
Another significant alloy in this category is 15-5 PH, known for higher toughness and improved transverse properties compared to 17-4 PH. With a refined microstructure and close compositional control, it offers exceptional mechanical uniformity. This grade is frequently utilized in aerospace, nuclear components, and high-pressure equipment. 15-5 PH provides excellent fatigue strength, making it ideal for rotating machinery parts. It also demonstrates improved weldability and minimal distortion during heat treatment, an advantage over similar grades. Its resistance to corrosive and salty atmospheres enhances long-term durability. Industries value 15-5 PH for producing precision-engineered parts requiring absolute reliability.
The 13-8 Mo PH stainless steel grade offers outstanding toughness, even in large cross-sections, making it a preferred choice for heavy-duty applications. It provides excellent resistance to stress-corrosion cracking and high levels of strength after age hardening. This grade is commonly found in aerospace landing gear, missile components, petrochemical plant parts, and high-load structural hardware. Its stable microstructure ensures dependable performance in extreme conditions. The alloy can be forged, machined, and heat-treated with minimal dimensional changes. Its unique combination of toughness and strength sets it apart from other PH stainless steels. Industries requiring precision and robustness often choose 13-8 Mo PH.
PH Grades Round Bars also offer advantages in terms of long-term maintenance and cost-effectiveness. Due to their inherent corrosion resistance, these materials reduce the need for frequent repairs and replacements. Their impressive hardness and durability help them withstand wear, abrasion, and harsh environmental exposure. When used in marine applications, PH bars provide exceptional stability against saltwater corrosion. In high-temperature environments, their creep resistance ensures structural integrity over extended periods. This minimizes downtime in mission-critical operations. Overall, PH Grades Round Bars deliver excellent lifecycle value, making them a reliable investment.
Industries requiring custom specifications benefit greatly from the versatility of PH Grades Round Bars. Manufacturers supply these bars in customized lengths, heat treatment conditions, surface finishes, and machine-ready forms. Options include bright bars, peeled bars, centerless-ground bars, and forged bars. Tailoring dimensions and mechanical properties allows engineers to design components with enhanced accuracy and efficiency. PH grades also integrate well into modern CNC machining processes, ensuring high-quality final parts. With broad availability and global material standards, sourcing the right PH grade is easier than ever. These advantages make PH Grades Round Bars a critical material across modern engineering sectors.
PH Grades Round Bars List
Specifications
| Specification | PH 17-4 | PH 15-5 | PH 13-8 Mo | Other PH Grades |
|---|---|---|---|---|
| Standard | ASTM A564 / AMS 5643 | AMS 5659 / ASTM A564 | AMS 5629 / ASTM A693 | ASTM / AMS Specifications |
| Size Range | 10mm – 300mm Dia | 10mm – 250mm Dia | 12mm – 280mm Dia | Custom Sizes Available |
| Length | 1M – 6M | 1M – 6M | 1M – 6M | Cut-to-Length Available |
| Finish | Bright, Black, Peeled | Bright, Ground, Hot Rolled | Bright, Peeled, Polished | As Required |
| Condition | Solution Annealed / Aged | Solution Treated / Aged | Solution Annealed / Precipitation Hardened | Custom Heat Treatment |
| Manufacturing Process | Hot Rolled / Forged / Centerless Ground | Hot Rolled / Forged / Machined | Forged / Machined / Ground | As Required |
| Applications | Aerospace, Valves, Shafts | Nuclear, Marine, High-Pressure Parts | Aerospace Gears, Fasteners | General Engineering |
Chemical Composition (Typical Ranges)
| Element | PH 15-5 | PH 17-4 | PH 13-8 Mo | PH 17-7 | Custom 450 |
|---|---|---|---|---|---|
| Carbon (C) | ≤ 0.07% | ≤ 0.07% | ≤ 0.05% | ≤ 0.09% | ≤ 0.05% |
| Chromium (Cr) | 14.0–15.5% | 15.0–17.5% | 12.25–13.25% | 16.0–18.0% | 14.0–16.5% |
| Nickel (Ni) | 3.5–5.5% | 3.0–5.0% | 7.5–8.5% | 6.5–7.75% | 5.0–7.0% |
| Manganese (Mn) | ≤ 1.0% | ≤ 1.0% | ≤ 0.10% | ≤ 1.0% | ≤ 1.0% |
| Silicon (Si) | ≤ 1.0% | ≤ 1.0% | ≤ 0.10% | ≤ 1.0% | ≤ 1.0% |
| Phosphorus (P) | ≤ 0.04% | ≤ 0.04% | ≤ 0.01% | ≤ 0.04% | ≤ 0.04% |
| Sulfur (S) | ≤ 0.03% | ≤ 0.03% | ≤ 0.008% | ≤ 0.03% | ≤ 0.03% |
| Molybdenum (Mo) | — | — | 2.0–2.5% | — | ≤ 1.0% |
| Copper (Cu) | 2.5–4.5% | 3.0–5.0% | — | — | 1.25–1.80% |
| Aluminum (Al) | — | — | ≤ 0.10% | 0.75–1.50% | — |
| Nitrogen (N) | — | — | — | ≤ 0.10% | — |
| Iron (Fe) | Balance | Balance | Balance | Balance | Balance |
Mechanical Properties
| Property | PH 15-5 | PH 17-4 | PH 13-8 Mo | PH 17-7 | Custom 450 |
|---|---|---|---|---|---|
| Tensile Strength | 1310 MPa (min) | 1310 MPa (min) | 1170 MPa (min) | 1035 MPa (min) | 1275 MPa (min) |
| Yield Strength | 1170 MPa (min) | 1170 MPa (min) | 1035 MPa (min) | 965 MPa (min) | 1100 MPa (min) |
| Elongation (%) | 10–14% | 10–15% | 10–12% | 12–16% | 8–12% |
| Hardness | HRC 38–44 | HRC 35–44 | HRC 38–45 | HRC 30–38 | HRC 36–44 |
| Impact Strength (Charpy V-Notch) | ≥ 20 J | ≥ 20 J | ≥ 25 J | ≥ 15 J | ≥ 20 J |
| Modulus of Elasticity | 200 GPa | 200 GPa | 200 GPa | 200 GPa | 200 GPa |
Dimension Chart
| Diameter (mm) | Diameter (inch) | Cross-Section Area (mm²) | Approx. Weight (kg/m) |
|---|---|---|---|
| 6 mm | 0.236" | 28.27 | 0.22 |
| 8 mm | 0.315" | 50.27 | 0.39 |
| 10 mm | 0.393" | 78.54 | 0.62 |
| 12 mm | 0.472" | 113.10 | 0.89 |
| 16 mm | 0.629" | 201.06 | 1.58 |
| 20 mm | 0.787" | 314.16 | 2.47 |
| 25 mm | 0.984" | 490.87 | 3.85 |
| 30 mm | 1.181" | 706.86 | 5.55 |
| 40 mm | 1.574" | 1256.64 | 9.91 |
| 50 mm | 1.968" | 1963.50 | 15.41 |
Equivalent Grades
| Grade | UNS | WNR | AFNOR | BS | JIS |
|---|---|---|---|---|---|
| PH 15-5 | S15500 | 1.4545 | Z15CN4MQ | – | SUS 15-5 PH |
| PH 17-4 | S17400 | 1.4542 | Z6CNU17-04 | 630 | SUS 17-4 PH |
| PH 13-8 Mo | S13800 | 1.4534 | Z6CND13-08 | – | – |
| PH 17-7 | S17700 | 1.4568 | Z6CNU17-07 | – | SUS 17-7 PH |
| Custom 450 | S45000 | – | – | – | – |
We provide a wide range of PH Grades Round Bars List in multiple diameters, lengths, and surface finishes, including hot-rolled, cold-drawn, and centerless ground options. Custom cutting, polishing, and packaging are available to meet specialized industrial applications, ensuring maximum value and performance for our clients.
With extensive inventory, reliable logistics, and dedicated technical support, Shakti Forge India continues to strengthen its position as a top PH Grades Round Bars List manufacturer, stockist, and exporter, delivering high-performance stainless steel Bars List to both domestic and international markets.
Frequently Asked Questions (FAQs)
1. What are PH Grade Round Bars?
2. Which materials come under PH Grade Round Bars?
3. What are the key benefits of PH Grade Round Bars?
4. Where are PH Grade Round Bars used?
5. Can PH Grade Round Bars be welded?
Cities we have supplied our products to
Mumbai, Delhi, Bengaluru(Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla, Veraval,Kovvur, Andra Pradesh,Karwar, Karnataka,Kosamba, Gujarat, Vishakapatnam, Shahad, Pondicherry, Kakkinada, Pradesh, Nagda, Madhya Pradesh,Harihar, Karnataka, Tuticorin, Tamilnadu, Trivandrum, KeralaKurnool, Rourkela, Hindupur, Orissa, Renukoot, Uttar Morbi, Kerala ,Himachal, Dehradun, Visakhapatnam ,Jamnagar, Kozhikode, Ludhiana,Latur, Nanded, Vijaywada, Alwar, Bareilly, Bikaner, Andheri, Marol, Taloja, Turbhe, TTC (Thane-Belapur), Pimpri-Chinchwad, Chakan, Talegaon, Ranjangaon, Jejuri, Baramati, Satpur, Ambad, Sinnar, Igatpuri, Shendra, Waluj, Chikalthana, Paithan, Hingna, Butibori, Kalmeshwar, Umred, Shiroli, Kagal, Gokul Shirgaon, Akkalkot, Chincholi, Lote-Parshuram, Dombivli, Ambernath, Mahad, Roha, Palghar, Tarapur (Boisar)
Cities we have supplied our products to
South Korea, Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen, France, Germany, Greece, Oman, Colombia, Portugal, Japan, Lithuania, Macau, Mongolia, Qatar, Ireland, Malaysia, Bangladesh, Russia, Iran, Jordan, Singapore, Bulgaria, Poland, Denmark, Nigeria, Gambia, Indonesia, Finland, Argentina, Chile, Spain, Peru, Kuwait, India, Saudi Arabia, Slovakia, Slovenia, Sweden, Switzerland, Bahrain, the Netherlands, United Kingdom, Mexico, Bulgaria, Spain, France, Germany, Colombia, Brazil, Saudi Arabia, Iraq, Iran, Sudan, Libya, Tanzania, Nigeria, New Zealand, Paris, Switzerland
Applications of PH Grades Round Bars List
- Oil & Gas Industry – pipelines, offshore rigs, valves, and fittings
- Chemical Processing Plants – heat exchangers, reactors, and storage vessels
- Marine & Shipbuilding – propeller shafts, seawater systems, and pumps
- Aerospace – jet engines, turbine blades, and structural components
- Power Generation – nuclear plants, boilers, and steam generators
- Automotive – exhaust systems, sensors, and performance parts
- Pharmaceutical & Food Industry – equipment requiring hygiene and corrosion resistance
- Construction & Infrastructure – high-strength fasteners, joints, and supports