ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment

Price Negotiable
Price: Negotiable
MOQ: 500KGS
Delivery Time: Depends on quantity
Brand: YUHONG
Product 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 Pipes for high temperature service applications

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Yuhong Group Co.,Ltd
Location 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact Person Jikin Cai

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