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- ASTM A335 Grade P9 Alloy Steel Pipes Supplier & Exporter in India
ASTM A335 Grade P9 Alloy Steel Pipes Supplier, Manufacturer & Exporter in India
ASTM A335 Grade P9 is a high-chromium (8–10%) molybdenum alloy steel pipe grade developed for severe high-temperature and corrosive service conditions. The elevated chromium content offers outstanding resistance to oxidation, sulfidation, and hydrogen attack, making P9 pipes a preferred choice for critical refinery and petrochemical process piping.
As a trusted ASTM A335 P9 alloy steel pipe manufacturer, supplier, stockist, and exporter in India, Yash Impex supplies seamless P9 pipes engineered for demanding thermal and pressure applications, with complete mill test certification and competitive wholesale pricing.
Key Features of ASTM A335 Grade P9 Pipes
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Exceptional High-Temperature Strength
Reliable structural integrity under sustained elevated-temperature service. -
Superior Oxidation & Sulfidation
Resistance
High chromium content protects against scaling and sulfur-bearing media. -
Hydrogen Attack Resistance
Suitable for hydroprocessing units and hydrogen-rich refinery environments. -
Enhanced Creep Strength
Molybdenum addition ensures long-term stability under continuous thermal stress. -
Reliable Fabrication Properties
Good machinability and weldability with proper heat treatment.
Specifications
Chemical Composition (Typical)
| Element | Composition |
|---|---|
| Carbon (C) | 0.15% max |
| Manganese (Mn) | 0.30 – 0.60% |
| Phosphorus (P) | 0.025% max |
| Sulfur (S) | 0.025% max |
| Silicon (Si) | 0.25 – 1.00% |
| Chromium (Cr) | 8.00 – 10.00% |
| Molybdenum (Mo) | 0.90 – 1.10% |
Mechanical Properties (Minimum)
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 30% |
Available Sizes & Specifications
- Standard: ASTM A335 / ASME SA335
- Manufacturing Type: Seamless
- Size Range: As per standard and custom project requirements
- End Finish: Plain End, Beveled End
- Supply Condition: Annealed / Normalized & Tempered
Applications
- Refinery hydroprocessing & hydrotreating units
- Petrochemical process piping
- Power generation & high-temperature boilers
- Sulfur- and hydrogen-service pipelines
- Pressure vessels & superheater systems
Looking for ASTM A335 Grade P9 pipes at the best price? Share your size, quantity, and heat-treatment requirements — we will provide a competitive quote with certified quality and fast delivery.
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why us
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1
Ace quality Steel Products
We are an ISO certified company with exports spanning across the globe. Our long standing success is attributed to impeccable quality and the most comprehensive range of steel products we deliver.
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2
Reasonable Pricing
We believe in cultivating long run business relationships will our clients. That’s why we offer the most competitive pricing in the industry.
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3
On time, Every time
We have powerful sourcing network and can deliver products to any part of the globe. We will meet your requirements, on time, every time!
