Steel House India is a premier manufacturer, supplier, and stockist of high-performance ASTM A276 AISI 422 stainless steel round bars in India. Engineered as a high-strength, hardenable martensitic stainless steel, Grade 422 (UNS S42200) is specifically formulated to retain excellent mechanical properties, creep strength, and oxidation resistance in extreme temperature environments reaching up to 1200°F (649°C). By combining a precise balance of chromium, molybdenum, tungsten, and vanadium, AISI 422 delivers the structural stability required for critical components subjected to intense thermal cycling and high-stress industrial conditions.
Our comprehensive inventory is meticulously sourced from premium VOD/AOD refined billets to ensure metallurgical purity and long-term reliability. While our expertise in Grade 422 is unmatched, we also maintain a robust supply chain for other specialized solutions, including the versatile AISI 422 SS Round Bar, the high-temperature stable AISI 347 SS Round Bar for corrosive environments, and the titanium-stabilized AISI 321 SS Round Bar designed for excellent weldability. With our centralized distribution hub in Mumbai, we provide pan-India delivery, ensuring that your procurement needs—from prototype development to large-scale industrial infrastructure—are met with precision and speed.
High-Quality ASTM A276 AISI 422 SS Round Bar Stock
Precision Finished AISI 422 Stainless Steel Round Bar
Large Diameter ASTM A276 AISI 422 Round Bars for Industrial Use
Chemical Composition of AISI 422 (UNS S42200)
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.20 – 0.25 |
| Chromium (Cr) | 11.00 – 13.50 |
| Molybdenum (Mo) | 0.75 – 1.25 |
| Tungsten (W) | 0.75 – 1.25 |
| Vanadium (V) | 0.20 – 0.50 |
| Nickel (Ni) | 0.50 – 1.00 |
| Manganese (Mn) | 1.00 Max |
| Silicon (Si) | 1.00 Max |
Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength (Min) | 965 MPa |
| Yield Strength (0.2% Offset) | 793 MPa |
| Elongation | 13% – 15% |
| Hardness (Brinell) | 290 – 341 HB |
| Max Service Temperature | 649°C (1200°F) |
Specifications
Standards: ASTM A276, ASTM A479, ASME SA276, ASME SA479.
Grade Equivalent: UNS S42200, WNR 1.4935, X22CrMoV12-1.
Testing: PMI, Ultrasonic, Hardness, and Tensile testing.
Documentation: EN 10204 3.1 Mill Test Certificate (MTC).
Size Range
We offer extensive, ready-to-dispatch stock in various configurations:
Round Bar: 4mm to 500mm diameter.
Hex/Square Bar: 18mm to 57mm.
Flat Bar: Custom widths and thicknesses per drawing.
Surface Finish: Black (Hot Rolled), Bright, Peeled, Ground, and
Polished.
Equivalent Grades
| Standard | Designation |
|---|---|
| USA (AISI) | 422 |
| Germany (DIN) | 1.4935 |
| Europe (EN) | X22CrMoV12-1 |
| Japan (JIS) | SUH 616 |
Grade Comparison
Selecting the optimal stainless steel grade is critical for balancing mechanical strength with environmental resistance. Comparing AISI 422 with stabilized austenitic grades helps ensure your component choice aligns perfectly with temperature and stress design parameters.
| Feature | Grade 422 | Grade 347 | Grade 321 |
|---|---|---|---|
| Classification | Martensitic | Austenitic | Austenitic |
| Heat Treatable | Yes | No | No |
| Max Service Temp | 649°C | 870°C | 870°C |
| Key Advantage | High Hardness/Creep | Niobium Stabilized | Titanium Stabilized |
For high-temperature applications where oxidation and intergranular corrosion are the primary concerns, our clients often evaluate the specialized properties of AISI 347 SS Round Bar, known for its niobium stabilization. Similarly, when superior weldability is required for complex fabrications at elevated temperatures, the titanium-stabilized AISI 321 SS Round Bar offers a distinct technical advantage over martensitic alternatives.
Applications
■ Power Generation: Steam and gas turbine blades, rotors, and
high-temperature bolting.
■ Aerospace: Hot-section engine components, compressors, and
high-strength fasteners.
■ Petrochemical: Valve stems, high-pressure pump shafts, and
refinery hardware.
■ Industrial Engineering: Heavy-duty shafts, industrial knives, and
wear-resistant machinery parts.
Advantages & Features
■ Exceptional Creep Resistance: Specially alloyed to resist
deformation under long-term thermal load.
■ Superior Hardness: Fully hardenable through heat treatment for
wear-intensive applications.
■ Thermal Fatigue Resistance: Engineered for parts subject to
frequent thermal start-stop cycles.
■ Oxidation Resistance: High chromium content offers good oxidation
resistance in hot, dry environments.
Pricing & Stock Availability
Starting Price: ₹150 to ₹600 ($1.80 to $7.20 USD) per kilogram (subject to current market rates, size, quantity, and alloy surcharges).
📊 Request an Instant Commercial Quote: Metal market pricing fluctuates based on daily raw chromium, nickel, and alloy surcharges. Our commercial team adapts quotes dynamically to offer you the best value based on order tonnage and custom processing requirements. Contact our Mumbai sales office today for a real-time bulk contract quotation.
Why Choose Steel House India
As a leading manufacturer, stockist, and supplier in Mumbai, we streamline
the procurement process for industrial buyers across India:
■ Ready Stock: Minimize your downtime with our extensive,
immediately available inventory.
■ Material Authenticity: 100% traceability with EN 10204 3.1
certification.
■ Pan-India Logistics: Rapid, secure transit to your site,
regardless of your industrial location.
■ Technical Excellence: Our team provides expert guidance on
material selection, heat treatment, and fabrication compatibility.
Frequently Asked Questions (FAQ)
1. What is the main difference between 422 and 347?
422 is a hardenable martensitic steel for mechanical strength and hardness, while 347 is an austenitic steel stabilized with Niobium for corrosion resistance.
2. What is the maximum operating temperature for 422?
It performs reliably in continuous service up to approximately 1200°F (649°C).
3. What is the price of AISI 422 in India?
Prices typically range from ₹180 to ₹350/Kg, influenced by current market alloy surcharges and your specific order volume.
4. Is 422 suitable for turbine blades?
Yes, its excellent thermal fatigue resistance makes it a standard industrial choice for steam and gas turbine components.
5. Does 422 require special heat treatment?
Yes, proper quenching and tempering are essential to achieving the required metallurgical hardness and strength.
6. How do I check delivery time for my project?
Contact our sales office with your tonnage and delivery location; we maintain rapid logistics to major industrial hubs across India.
7. Is AISI 422 magnetic?
Yes, being a martensitic stainless steel, it is strongly magnetic in all conditions.
8. Can I get a custom diameter for my requirement?
Yes, we offer precision cutting and custom sizes to match your specific engineering drawings.
Request a Callback from Our Sourcing Desk
This commercial product page is managed by Steel House India. For immediate product inquiries, direct bulk contracts, or to request a technical consultation, please forward your detailed material requirements to sales@steelhouseindia.com. Once received, a senior technical sourcing officer will review your specifications and contact you within two business hours to finalize your order.