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ASTM A335 P91 Alloy Steel Seamless Pipe
ASTM A335 P91 is a seamless ferritic alloy-steel pipe designed for high-temperature service. It offers excellent resistance to oxidation and high strength at elevated temperatures. Commonly used in power plants and petrochemical industries for steam lines and heat exchangers. It requires normalizing and tempering heat treatment.
ASTM: A335 P91JIS: STBA24GB: 12Cr1MoV
MaterialASTM A335 / ASME SA335
Thickness6-100 mm
WidthN/A (Pipe Diameter)
Length6000-12000 mm
MOQ1 Ton
Lead Time7-15 days
PortShanghai / Tianjin / Qingdao
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | ASTM A335 / ASME SA335 | Standard | ASTM A335 / ASME SA335 |
| Thickness Range | 6-100 mm | Width Range | N/A (Pipe Diameter) |
| Length Range | 6000-12000 mm | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin / Qingdao |
| C | ≤0.10 | Si | ≤0.50 |
| Mn | 0.30-0.60 | P | ≤0.025 |
| S | ≤0.010 | Mo | 0.85-1.05 |
| Cr | 8.00-9.50 | V | 0.18-0.25 |
| Nb | 0.06-0.10 | Tensile Strength | ≥585 MPa |
| Yield Strength | ≥415 MPa | Hardness | ≤250 HB |
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