Stainless Steel 17-4ph Round Bar
Stainless Steel 17-4ph Round Bar is a premium precipitation-hardening alloy known for its high strength, excellent corrosion resistance, and outstanding mechanical properties. This material combines the corrosion resistance of stainless steel with the strength of high-strength steel, making it a versatile choice for a range of industrial applications. Typically supplied in round bar form, it offers consistent dimensional accuracy and surface finish, suitable for precision machining and fabrication.
Manufactured to stringent specifications, these bars conform to ASTM A564 standards, ensuring uniformity in chemical composition and mechanical performance. The alloy's unique combination of chromium, nickel, and copper elements provides enhanced hardness and toughness, especially after heat treatment processes like aging. This makes it ideal for components that require both wear resistance and durability under stress.
Commonly utilized in aerospace, chemical processing, and petrochemical industries, this grade is favored for shafts, valve components, gears, and structural parts exposed to corrosive environments. Its ability to retain mechanical strength at elevated temperatures further broadens its application scope. Precision round bars are often used as raw stock for CNC machining, forging, and assembly in critical engineering projects.
For international buyers, these stainless steel bars are readily available in various diameters and lengths, with options for customized heat treatment and surface finishes to meet specific project requirements. Export-ready packaging and compliance with global quality standards ensure seamless integration into supply chains worldwide. Reliable sourcing and timely delivery are key factors for industrial buyers looking to maintain production efficiency and product excellence.
Lead Time
2–7 weeks depending on size
Delivery Terms
FOB, CIF, DDP
Shipping Modes
Sea / Air / Express
Why Stainless Steel 17-4ph Round Bar Are Preferred by Global Buyers
- ✔ Factory Pricing: Direct manufacturer rates with bulk stock
- ✔ Certified Quality: ISO & 3rd-party tested, EN 10204 certified
- ✔ Export-Ready: Sea-worthy packaging for on-time delivery
- ✔ Fast RFQs: Quick quotes for custom sizes & quantities
- ✔ Traceability: 100% heat number tracking from raw material to finished product
Trusted by industries like oil & gas, petrochemicals, power, marine, and heavy engineering.
- Manufacturing Capacity: 500 MT / Month
- Export Experience: 15+ Years
- Countries Served: 50+
- Annual Export Volume: 5,500 MT
Table of Contents
- 1. What is Stainless Steel 17-4ph Round Bar
- 2. How to Choose the Right Manufacturer
- 3.Comparison of Stainless Steel 17-4ph Round Bar
- 4. Why Global Buyers Source from Ragnar Metals and Tubes
- 5. Features
- 6. Technical Overview
- 7. Specifications
- 8. Available Grades
- 9. Available Sizes
- 10. Chemical Properties
- 11. Mechanical Properties
- 12. Physical & Thermal Properties
- 13. Electrical Resistivity
- 14. Equivalent Grades
- 15. Manufacturing Process & Heat Treatment
- 16. Various Types
- 17. Applications & Uses
- 18. Industries We Serve
- 19. Latest Price List
- 20. MOQ & Payment Terms
- 21. Export Packaging & Shipping
- 22. Cities We Supply in India
- 23. Countries We Export Worldwide
- 24. Our Certifications
- 25. Quality Inspection & Testing
- 26. Our Other Product Types
- 27. People Also Search For
- 28. Frequently Asked Questions
- 29. About Ragnar Metals and Tubes
How to Choose the Right Stainless Steel 17-4ph Round Bar
India is home to hundreds of manufacturers ranging from small job shops to large ISO-certified exporters. International and domestic buyers typically evaluate manufacturers based on quality compliance, production capacity, export experience, and pricing transparency.
- Certification & international standards (ASME, ASTM, EN)
- Manufacturing capability vs trading activity
- Export documentation & inspection support
- Stock availability & lead time reliability
- Past supply experience in oil & gas, EPC & heavy industries
Comparison Factors Among Stainless Steel 17-4ph Round Bar
| Evaluation Factor | Small Local Suppliers | Trading Companies | ISO-Certified Manufacturers |
|---|---|---|---|
| Manufacturing Control | Limited | None | Full in-house / audited partners |
| International Standards | Basic | Depends on source | ASME / ASTM / EN |
| Inspection & MTCs | Limited | Inconsistent | EN 10204 3.1 / 3.2 |
| Export Experience | Low | Medium | 50+ countries |
| Risk for EPC Projects | High | Medium | Low |
International buyers typically prefer ISO-certified manufacturers for large-scale or critical applications due to better quality control, documentation, and lower project risk.
Why Global Buyers Choose Ragnar Metals and Tubes
Ragnar Metals and Tubes is a trusted ISO 9001:2015 certified manufacturer and global exporter of ferro alloys and metal products, supplying consistent, high-quality materials to customers across USA, UK, Europe, Middle East, Africa, and Asia-Pacific. Our focus on quality assurance, cost efficiency, and on-time delivery makes us a preferred sourcing partner for international buyers.
| Key Advantage | Buyer Benefit |
|---|---|
| ISO 9001:2015 Certified Manufacturing | Consistent quality with documented QA systems and process control |
| ASME / ASTM / EN Compliant Products | Globally accepted standards with EN 10204 3.1 / 3.2 MTCs |
| Lower Manufacturing & Sourcing Costs | Save up to 15–20% compared to European suppliers |
| Favorable Exchange Rate Advantage | Reduced landed cost for international importers |
| In-House Testing & Inspection Facilities | Strict chemical, mechanical & dimensional quality checks |
| Bulk Stock & High Production Capacity | Fast order fulfillment and stable supply for large projects |
| Custom Sizes & Drawing-Based Manufacturing | Products manufactured exactly to buyer specifications |
| Export-Grade Packaging & Global Logistics | Sea-worthy packing, palletization & worldwide shipping support |
| Faster Global Shipping Routes | Optimized logistics for Middle East, Africa & Southeast Asia |
| Technical & After-Sales Support | Project assistance, documentation & responsive RFQ handling |
| Trusted by Global Steel & EPC Companies | Proven export experience across 50+ countries |
Features of Stainless Steel 17-4ph Round Bar
- ✔ High strength and hardness
- ✔ Excellent corrosion resistance
- ✔ Good machinability and weldability
- ✔ Suitable for elevated temperature applications
- ✔ Available in various diameters and lengths
- ✔ Meets ASTM A564 specifications
Technical Overview of Stainless Steel 17-4PH Round Bar
| Product | Composition | Usage | Standards |
|---|---|---|---|
| Stainless Steel 17-4PH Round Bar | 17% Chromium, 4% Nickel, 4% Copper, 0.5% Niobium | Aerospace, Chemical Processing, Oil & Gas | AISI 630, ASTM A564, AMS 5604 |
| Stainless Steel 17-4PH Round Bar | 17% Chromium, 4% Nickel, 4% Copper, 0.5% Niobium | Marine Applications, Food Processing Equipment | ASTM A276, ASTM A312 |
| Stainless Steel 17-4PH Round Bar | 17% Chromium, 4% Nickel, 4% Copper, 0.5% Niobium | High Strength Components, Structural Applications | ASME SA-564, ISO 683-13 |
Specifications Table
| Material | Stainless Steel 17-4PH |
|---|---|
| Grades | 17-4PH |
| Standard | AISI/ASTM |
| Size Range | 0.25" to 6.00" diameter |
| Length | Up to 20 feet |
| Form | Round Bar |
Available Grades Table
| Product | Composition | Applications |
|---|---|---|
| 17-4PH Round Bar | Ni: 3-5%, Cr: 15-17.5%, Cu: 3-5%, Fe: Balance | Aerospace, Chemical Processing, Food and Beverage, Oil and Gas |
| 17-4PH H900 Round Bar | Ni: 3-5%, Cr: 15-17.5%, Cu: 3-5%, Fe: Balance | Aerospace Components, Marine Applications, High Strength Fasteners |
| 17-4PH H1025 Round Bar | Ni: 3-5%, Cr: 15-17.5%, Cu: 3-5%, Fe: Balance | Medical Devices, Structural Applications, Pump Components |
| 17-4PH H1150 Round Bar | Ni: 3-5%, Cr: 15-17.5%, Cu: 3-5%, Fe: Balance | Automotive Components, Heat Exchangers, High Temperature Applications |
| 17-4PH H900 Plate | Ni: 3-5%, Cr: 15-17.5%, Cu: 3-5%, Fe: Balance | Industrial Equipment, Marine Hardware, Aerospace Structures |
Available Sizes of Stainless Steel 17-4ph Round Bar (MM)
| Size (MM) | Size (MM) |
|---|---|
| 6 | 12 |
| 8 | 14 |
| 10 | 16 |
| 20 | 25 |
| 30 | 35 |
| 40 | 45 |
| 50 | 60 |
| 70 | 80 |
| 90 | 100 |
| 110 | 120 |
Chemical Properties of Stainless Steel 17-4ph Round Bar
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.07 max |
| Chromium (Cr) | 15.0 - 17.5 |
| Nickel (Ni) | 3.0 - 5.0 |
| Copper (Cu) | 3.0 - 5.0 |
| Molybdenum (Mo) | 0.0 - 0.5 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.03 max |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 17-4ph Round Bar
| Property | Value |
|---|---|
| Tensile Strength | 1000 - 1200 MPa |
| Yield Strength | 600 - 800 MPa |
| Elongation | 5 - 10% |
| Hardness (HRC) | 30 - 40 |
| Modulus of Elasticity | 190 GPa |
Stainless Steel 17-4ph – Physical & Thermal Properties
Density of Stainless Steel 17-4ph
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.75 g/cm³ | 0.28 lb/in³ |
Melting Point of Stainless Steel 17-4ph
| Property | Metric | Imperial |
|---|---|---|
| Melting Point | 1350 - 1450 °C | 2462 - 2642 °F |
Specific Heat of Stainless Steel 17-4ph
| Specific Heat of Stainless Steel 17-4ph | ||
|---|---|---|
| Specific Heat (J/kg·K) | Temperature Range (°C) | Condition |
| 500 | 20 - 100 | Room Temperature |
| 480 | 100 - 400 | Heating |
| 460 | 400 - 800 | High Temperature |
Electrical Resistivity of Stainless Steel 17-4ph Round Bar
| Electrical Resistivity | ||
|---|---|---|
| Value (µΩ·m) | Temperature (°C) | Treatment or Condition |
| 73 | 20 | Heat Treated |
| 75 | 100 | |
| 77 | 200 | |
| 79 | 300 | |
| 81 | 400 | |
Equivalent of Stainless Steel 17-4ph Round Bar
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| AISI | 1.4542 | S17400 |
| ASTM | UNS S17400 | S17400 |
Manufacturing Process & Heat Treatment of Stainless Steel 17-4ph Round Bar
Annealing
The annealing process for Stainless Steel 17-4PH involves heating the material to a temperature range of 1040-1120°C (1900-2050°F) and holding it at this temperature for a specified duration followed by air cooling. This process helps to relieve stresses, improve ductility, and homogenize the microstructure.
Forging
Forging of Stainless Steel 17-4PH is typically performed at temperatures between 1100-1200°C (2012-2192°F). The material is shaped using mechanical force, which enhances its mechanical properties and ensures a fine-grained microstructure. Post-forging, the bars undergo cooling to room temperature in air or water.
Hardening & Tempering
| Process | Temperature Range (°C) | Quenching Medium | Purpose |
|---|---|---|---|
| Hardening | 1040-1120 | Water or Oil | To increase hardness and strength through martensitic transformation. |
| Tempering | 480-620 | Air | To reduce brittleness and achieve the desired balance of hardness and toughness. |
| Stabilization | 600-750 | Air | To enhance corrosion resistance and stabilize the microstructure. |
The combination of these processes ensures that Stainless Steel 17-4PH round bars possess optimal mechanical properties, corrosion resistance, and dimensional stability for various industrial applications.
Various Types
Stainless Steel 17-4PH Round Bar - Condition A
- Diameter: 1" to 6"
- Condition: Annealed
- Applications: Aerospace, Chemical Processing, Oil & Gas
Stainless Steel 17-4PH Round Bar - Condition H900
- Diameter: 0.5" to 3"
- Condition: Heat Treated
- Applications: Marine, Nuclear, Medical Devices
Stainless Steel 17-4PH Round Bar - Condition H925
- Diameter: 3/8" to 4"
- Condition: Heat Treated
- Applications: Structural Components, Fasteners, Valves
Stainless Steel 17-4PH Round Bar - Condition H925 (High Strength)
- Diameter: 2" to 5"
- Condition: Heat Treated
- Applications: Aerospace Components, High-Performance Parts
Applications & Uses
- Oil & Gas Industry: Pipelines, process piping, and high-pressure fluid handling systems.
- Petrochemical & Refineries: Reactors, heat exchangers, and chemical processing units.
- Water Treatment Plants: Filtration systems, storage tanks, and corrosion-resistant piping.
- Pharmaceutical Industry: Hygienic piping, sanitary fittings, and cleanroom equipment.
- Food & Beverage: Processing lines, storage vessels, and contamination-free pipelines.
- Automobile & Engineering: Exhaust systems, structural parts, and precision components.
- Power & Energy Sector: Boilers, condensers, and turbine piping systems.
- Marine & Offshore: Shipbuilding, offshore platforms, and coastal infrastructure.
- Construction & Infrastructure: Structural frameworks, bridges, and industrial buildings.
Industries We Serve
Our stainless steel, alloy steel, and high-performance metal products are widely used across the following industries:
Latest Price List of Stainless Steel 17-4ph Round Bar
| Material Grade | Thickness | Price (USD / Kg) | Price (INR / Kg) |
|---|---|---|---|
| Stainless Steel 17-4ph | 3 mm | $5.50 – $6.00 | ₹450 – ₹500 |
| Stainless Steel 17-4ph | 6 mm | $5.20 – $5.70 | ₹420 – ₹480 |
| Stainless Steel 17-4ph | 10 mm | $5.00 – $5.50 | ₹400 – ₹450 |
Note: Prices are indicative and may vary based on size, quantity, raw material cost, and delivery location. Contact us for the latest quotation for Stainless Steel 17-4ph Round Bar.
MOQ & Payment Terms
Minimum Order Quantity: 25–100 Kg depending on part size and grade.
Payment Terms: Depending On Grade and Quantity Size
Export Packaging & Shipping
- Seaworthy, fumigated wooden crates with waterproof inner lining
- Palletised packing with clear shipping marks and heat number identification
- Container stuffing supervision with loading photographs available on request
We Exported to 50+ Countries Worldwide
| Global Export Destinations | |||||
|---|---|---|---|---|---|
| United States | Canada | Mexico | United Kingdom | Germany | Netherlands |
| Italy | Spain | South Africa | Australia | India | Korea |
| United Arab Emirates | Saudi Arabia | Qatar | Kuwait | Oman | Bahrain |
| Singapore | Malaysia | Indonesia | Dubai | Riyadh | Dammam |
Our Certifications
We are a certified manufacturer and exporter, committed to strict quality control and international compliance standards. Below are our key certifications.
GST Registered
ISO 9001:2015
ISO 1002:2018
Udyam MSME Registration
Testing Process & Quality Assurance – Ragnar Metals & Tubes
At Ragnar Metals & Tubes, our testing process ensures the safety, reliability, and performance of stainless steel and alloy steel products supplied for global industrial and infrastructure projects. Each batch is verified from raw material selection to final dispatch under internationally recognized standards including ASTM, ASME, ISO, DIN, and EN.
Detects internal flaws using high-frequency sound waves
Measures yield strength, elongation, and material durability
Evaluates toughness under low-temperature and high-stress conditions
Ensures smoothness, coating quality, and visual compliance
Enhances hardness, strength, and corrosion resistance
Measures resistance to deformation and wear
Documentation & Global Compliance
- ✔ EN 10204 3.1 / 3.2 Mill Test Certificates (MTC)
- ✔ Batch-wise quality traceability and inspection records
- ✔ Third-party inspection by SGS, TUV, Bureau Veritas & Lloyd’s
- ✔ Export documentation support for customs and international shipping
Supporting supply for oil & gas, petrochemical, power generation, marine, infrastructure, and heavy engineering industries worldwide.
Related Products
Explore our full range of stainless steel and alloy steel products including pipes, tubes, fittings, flanges, sheets, plates, spools, fasteners, round bars, and special grades manufactured for industrial, infrastructure, and global export applications.
People Also Search For
- Stainless Steel 304 Round Bar
- Stainless Steel 316 Round Bar
- Stainless Steel 17-4ph Sheet
- Stainless Steel 15-5ph Round Bar
- Stainless Steel 17-4ph Wire
Frequently Asked Questions
About Ragnar Metals & Tubes
- ✔ Leading manufacturer, stockist, and exporter of stainless steel and alloy steel products for industrial and infrastructure projects
- ✔ ISO 9001:2015 certified quality management system ensuring consistent product reliability and compliance
- ✔ Specialized in precision pipes, tubes, fittings, flanges, sheets, plates, fasteners, and round bars
- ✔ Modern processing and testing facilities with advanced manufacturing and inspection equipment
- ✔ Custom-engineered solutions based on client drawings and technical specifications
- ✔ Full material traceability with EN 10204 3.1 / 3.2 mill test certification
- ✔ Compliance with ASTM, ASME, DIN, EN, and ISO international standards
- ✔ Trusted global supplier supporting oil & gas, petrochemical, power, marine, and heavy engineering industries