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ASTM A335 Grade P9 Alloy Steel P9 Round P9 Bars
85.0 INR/Kilograms
Product Details:
- Material Alloy Steel
- Standard ASTM A335
- Tolerance H9, H10, H11, H12, H13
- Application Construction, Oil & Gas, Petrochemical, Power Plant, Refinery
- Grade P9
- Diameter 6 mm - 350 mm
- Finish Black, Bright, Polished
- Click to view more
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ASTM A335 Grade P9 Alloy Steel P9 Round P9 Bars Price And Quantity
- 85.0 INR/Kilograms
- 1000 Kilograms
ASTM A335 Grade P9 Alloy Steel P9 Round P9 Bars Product Specifications
- P9
- H9, H10, H11, H12, H13
- ASTM A335
- Alloy Steel
- Hot Rolled / Cold Drawn
- Forged, Peeled, Turned
- Construction, Oil & Gas, Petrochemical, Power Plant, Refinery
- High Temperature Service
- Round Bar
- 1 meter - 6 meters (Custom Lengths Available)
- Black, Bright, Polished
- 6 mm - 350 mm
- Approximately 7.85 g/cm3
- > 30%
- Bundles, Loose, Wooden Boxes
- Good
- All International Standards Supported
- Smooth
- As Rolled / Annealed / Normalized / Tempered
- Annealed or Quenched and Tempered
- Medium
- Normalized, Tempered
- 415-585 MPa
- Minimum 205 MPa
Product Description
ASTM A335 Grade P9 Alloy Steel Round Bars.
This information is tailored to help you fill out the Product Description and Specifications sections accurately for your catalog.
Technical Overview
ASTM A335 P9 is a seamless ferritic alloy-steel often referred to as "9 Chrome 1 Moly" steel. It is specifically engineered for high-temperature service, offering superior resistance to corrosion and oxidation compared to lower grades.
Key Specifications & Properties
| Feature | Details |
| Common Name | 9Cr-1Mo Steel |
| Material Grade | ASTM A335 P9 / ASME SA335 P9 |
| Chemical Composition | Chromium (8.00% 9.50%), Molybdenum (0.85% 1.10%) |
| Tensile Strength | $ge 415 text{ MPa}$ ($60,000 text{ psi}$) |
| Yield Strength | $ge 205 text{ MPa}$ ($30,000 text{ psi}$) |
| Hardness | $le 250 text{ HBW}$ |
Common Applications
These round bars are essential for industries where high pressure and high temperature are standard:
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Power Generation: Main steam piping, boiler headers, and reheating tubes.
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Petrochemical/Refineries: Heat exchanger tubes and pressure vessel components.
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Oil & Gas: High-stress structural parts in refineries.
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Nuclear Power: Components requiring high creep-rupture strength.
Features to Highlight in Your Listing
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Oxidation Resistance: High Chromium content prevents scaling at extreme temperatures.
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Creep Strength: Maintains structural integrity under long-term high-stress conditions.
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Corrosion Resistance: Effectively resists steam and chemical erosion.
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Versatile Processing: Suitable for fusion welding, bending, and flanging.
Optimized for High-Temperature Service
P9 round bars are engineered to perform reliably in elevated-temperature environments, making them ideal for applications in refineries, construction, and the energy sector. Their robust alloy composition and refined heat treatment ensure durability and consistent performance under stress.
Versatile Heat Treatment and Finishing Options
Clients can select from various processing options such as forging, peeling, or turning, as well as surface finishes including black, bright, or polished. Supply conditions range from as-rolled to annealed or normalized and tempered, addressing different application needs and fabrication requirements.
FAQ's of ASTM A335 Grade P9 Alloy Steel P9 Round P9 Bars:
Q: How are ASTM A335 Grade P9 Alloy Steel Round Bars manufactured?
A: These round bars are produced through hot rolling or cold drawing, followed by heat treatments like annealing or quenching and tempering. The bars are then finished to customer specifications, such as forging, peeling, or turning, and presented in various surface conditions.Q: What are the typical applications of P9 alloy steel bars?
A: P9 alloy steel bars are extensively used in high-temperature services, particularly in the construction, oil & gas, petrochemical, power generation, and refinery sectors, thanks to their strength and thermal stability.Q: When should I opt for annealed or quenched and tempered hardness?
A: Annealed bars provide improved machinability and are suitable for general fabrication, while quenched and tempered bars offer higher strength and wear resistance, making them preferable for more demanding mechanical applications.Q: Where can these P9 alloy steel bars be supplied from?
A: These bars are manufactured and supplied by dealers, fabricators, exporters, manufacturers, producers, retailers, suppliers, and traders across India, catering to both local and international markets.Q: What benefits do ASTM A335 P9 bars offer over standard carbon steel bars?
A: ASTM A335 P9 bars deliver superior high-temperature strength, better machinability, and medium corrosion resistance, ensuring reliable performance in extreme service environments compared to standard carbon steels.Q: How is corrosion resistance ensured in these alloy steel bars?
A: While P9 alloy steel provides medium corrosion resistance through its alloy composition, additional surface finishes like polishing can enhance protection. Appropriate storage and packaging options like wooden boxes further help maintain quality during transit.Q: What packaging options are available for safe transport?
A: To ensure product integrity, P9 bars are carefully packed in bundles, kept loose, or securely placed in wooden boxes, depending on customer requirement and transport method.Tell us about your requirement
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