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ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
Specifications
Grade :
P9
Heat Treatment :
Normalized, Tempered
Manufacture :
Hot finished, Cold-drawn
Type :
Seamless
Standard :
ASME SA335
Application :
High Temperature Service
Brand Name :
YUHONG
Model Number :
ASME SA335 P9
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
500KGS
Price :
Negotiable
Payment Terms :
L/C,T/T
Supply Ability :
1500 tons per month
Delivery Time :
Depends on quantity
Packaging Details :
Plywooden Case /Iron Case
Description
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipes for High Temperature Service
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service

YUHONG GROUP is a specialized manufacturer of high-grade alloy steel pipes with over 30 years of experience in serving the global energy and petrochemical industries. Our ASME SA335 P9 Seamless Ferritic Alloy Steel Pipes are engineered for critical high-temperature applications, manufactured under strict quality control with full compliance to ASME and ASTM standards.
Heat Treatment Specifications
Parameter Requirement Notes
Grade P9 (9Cr-1Mo) Ferritic alloy steel
Heat Treat Type Normalize and Temper Mandatory process
Normalizing Temperature 1900-1975°F (1040-1080°C) Austenitizing range
Cooling Media Air cooling No forced cooling required
Tempering Temperature 1100°F min (595°C) Subcritical annealing
Microstructure Tempered martensite Post-treatment verification
Chemical Composition Requirements
Element UNS K90941 Requirement (%) Notes
Carbon (C) 0.15 Max -
Manganese (Mn) 0.30-0.60 Range -
Phosphorus (P) 0.025 Max -
Sulfur (S) 0.025 Max -
Silicon (Si) 0.25-1.00 Range -
Chromium (Cr) 8.00-10.00 Range Key alloy element
Molybdenum (Mo) 0.90-1.10 Range Key alloy element
Mechanical Properties
Property Requirement Unit Notes
Tensile Strength (min) 60 ksi Equivalent to 415 MPa
Yield Strength (min) 30 ksi Equivalent to 205 MPa
Material Grade P9 (Other Category) - 9Cr-1Mo Alloy Steel
Applications
  • High-Temperature Pressure Systems
    Steam piping networks in power plants
    Process piping for refineries and petrochemical facilities
  • General Industrial Services
    Medium-temperature heat exchangers
    Utility piping system
Advantages
Benefit Technical Superiority
Standard Compliance Meets minimum tensile and yield requirements per ASME SA335
Reliable Performance Proven mechanical properties for non-critical elevated temperature services
Material Flexibility Suitable for applications not requiring advanced alloy grades
Cost-Effective Economical alternative where ultra-high strength is unnecessary
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
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ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment

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Product Detail
Grade :
P9
Heat Treatment :
Normalized, Tempered
Manufacture :
Hot finished, Cold-drawn
Type :
Seamless
Standard :
ASME SA335
Application :
High Temperature Service
Contact Supplier
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment

Yuhong Group Co.,Ltd

Verified Supplier
14 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Seamless Pipe, Stainless Steel Seamless Tube, Duplex Stainless Steel Pipe
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
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