Name: ASME SA335 P9 Seamless Ferritic Alloy Steel Pipe for High Temperature Service with Normalized and Tempered Treatment
Brand: Yuhong Group Co.,Ltd
SKU: ASME SA335 P9
Price: 1000000 USD
Availability: InStock

Yuhong Holding Group Co.,LTD

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

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:	ASME SA335 P9

Payment & Shipping Terms:

Minimum Order Quantity:	500KGS
Price:	Negotiable
Packaging Details:	Plywooden Case /Iron Case
Delivery Time:	Depends on quantity
Payment Terms:	L/C,T/T
Supply Ability:	1500 tons per month

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Detailed Product Description

Standard:	ASME SA335	Grade:	P9
Type:	Seamless	Application:	High Temperature Service
Heat Treatment:	Normalized, Tempered	Manufacture:	Hot Finished, Cold-drawn
Highlight:	ASME SA335 P9 alloy steel pipe , seamless ferritic steel pipe , high temperature service steel pipe

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