YUHONG HOLDING GROUP CO., LTD
YUHONG HOLDING GROUP CO., LTD
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| 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 designed for high-temperature service applications. This material offers exceptional strength along with superior resistance to oxidation and corrosion at elevated temperatures.
ASTM A335 P9 seamless boiler tubes are widely used in power generation, petrochemical processing, chemical plants, industrial boilers, oil and gas operations, and marine applications. Their robust performance in high-temperature and corrosive environments ensures long-term reliability and operational efficiency.
| Grade | Cr | Mo | C | Mn | P | S | Si | Ni | Fe |
|---|---|---|---|---|---|---|---|---|---|
| A335 P9 | 8.0-10.0% | 0.9-1.10% | 0.15% max | 0.30-0.60% | ≤ 0.25% | ≤ 0.25% | 0.50% max | ≤ 0.4% | Balance |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|---|
| A335 P9 | Min 415 MPa (60,200 psi) | Min 220 MPa (31,900 psi) | 30% min in 50 mm | ≤ 85 HRB |
Industrial Boilers:
Power Generation:
Chemical Processing:
