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| Brand Name: | YUHONG |
| Model Number: | Boiler Tube |
| MOQ: | 1 PC |
| Price: | 1 - 10000 USD |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 10000 Tons/Month |
| Attribute | Value |
|---|---|
| Material Grade | A335 P9 |
| Standard | ASTM A335, ASME SA335 |
| External Diameter | >38.1 |
| Ends | PE, BE |
| Tube Material | Nickel Alloy, Alloy, Stainless Steel, Duplex Stainless Steel, Carbon |
| Application | Boiler |
Grade A335 P9 is a specification for seamless ferritic alloy-steel pipe for high-temperature service. It is commonly used in applications that require high strength and resistance to oxidation and corrosion at elevated temperatures.
ASTM A335 P9 seamless boiler tubes are particularly effective in the power generation, petrochemical, chemical processing, industrial boiler, oil and gas, and marine industries. Their ability to withstand high temperatures and corrosive environments ensures long-term reliability and efficiency in demanding applications.
| Grade | Cr | Mo | C | Mn | P | S | Si | Ni | Fe |
|---|---|---|---|---|---|---|---|---|---|
| A335 P9 | 8.0-10.0% | 0.9-1.10% | 0.15% maximum | 0.30-0.60% | ≤ 0.25% | ≤ 0.25% | 0.50% maximum | ≤ 0.4% | Balance |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|---|
| A335 P9 | Minimum 415 MPa (60,200 psi) | Minimum 220 MPa (31,900 psi) | 30% minimum in 50 mm | ≤ 85 HRB (Rockwell Hardness B) |
