Products Description
ASTM A335 P9 is a ferritic chrome-moly seamless steel pipe formulated with 9% chromium content. This grade of alloy pipe features excellent creep strength and stable metallurgical structure under extreme heat. It is a specialized tubular material strictly produced to meet ASTM A335 high-temperature service specifications.
Superior Product Performance & Advantages
Excellent High-temperature Toughness: The pipe maintains a stable physical structure under continuous high-temperature exposure. It resists thermal deformation and structural damage, securing long-term and safe operation in harsh thermal environments.
Remarkable Oxidation Resistance: Reasonable alloy proportion greatly slows down metal oxidation and chemical erosion. It can stably carry corrosive fluids, adapting to complex chemical industrial working environments.
Flexible Fabrication Performance: Featuring pure internal structure and uniform grain distribution, this alloy pipe supports common deep processing methods. Workers can easily cut, bend and weld it to meet diverse installation demands.
Chemical Composition & Mechanical Properties
We implement strict raw material screening and production testing standards to ensure consistent product quality. The detailed chemical composition and mechanical property data are displayed in the tables below, fully complying with industrial production specifications.
Chemical Composition (Weight %)
|
Element |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
|---|---|---|---|---|---|---|---|
|
Content |
0.15 Max |
0.30-0.60 |
0.25-1.00 |
0.025 Max |
0.025 Max |
8.00-10.00 |
0.90-1.10 |
Mechanical Properties
|
Item |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
Hardness (HB) |
|---|---|---|---|---|
|
Parameter |
≥ 415 |
≥ 205 |
≥ 30 |
≤ 163 |
Factory Strength
Our production base covers a spacious manufacturing area equipped with complete production and testing equipment, including advanced seamless rolling units, professional heat treatment systems and accurate detection tools. We follow stringent production protocols throughout the whole production flow, from raw material screening and hot forming treatment to finished product verification. Every shipment goes through systematic quality checks on chemical components, pressure endurance and material hardness, guaranteeing all delivered goods meet international quality criteria.
Product Applications
Built with robust thermal and pressure resistance, this alloy pipe is engineered to handle challenging industrial environments. It is extensively utilized in thermal power plants for boiler infrastructures and high-heat steam transmission lines. Additionally, it acts as critical piping for transporting corrosive high-temperature fluids in petrochemical refineries. Beyond that, it is well-suited for industrial furnace assembly and energy-related projects, reliably adapting to harsh extreme-temperature operating environments.
Frequently Asked Questions
Q: What makes ASTM A335 P9 pipe different from ordinary carbon steel pipes?
A:Compared with regular carbon steel tubes, this chrome-moly alloy pipe has superior high-temperature oxidation resistance and creep resistance. It can work stably under extreme heat and pressure, which is irreplaceable for power generation and chemical high-temperature pipelines.
Q: Do you support customized sizes and processing?
A: Yes. Jiangsu Cunrui Metal Products Co., Ltd. provides personalized customization services, including outer diameter, wall thickness, cutting, beveling and surface treatment. We can manufacture pipes according to customers' technical drawings.
Q: What is your delivery term and packaging?
A: We support FOB, CIF, CFR and other international trade terms. All steel pipes are packed with steel strips and waterproof wrapping to prevent rust and damage during long-distance sea transportation.
Ready to Order?
📞 Contact us today for a quote or to request mill test certificates before ordering.
