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P91 Alloy Steel Seamless Pipe with 14 to 720mm Outer Diameter and Bevel Surface for High-temperature Service
P91 Alloy Steel Seamless Pipe with 14 to 720mm Outer Diameter and Bevel Surface for High-temperature Service
Specifications
MOQ :
1 Ton
Price :
US $650-1,830 / Ton
Outer Diameter :
14 to 720mm
Section Shape :
Round
Surface Treatment :
Black
Material Grade :
X10CrMoVNb9-1
Chromium Content :
9%
Molybdenum Content :
1%
Temperature Resistance :
580°C - 600°C
Production Capacity :
50000kgs
Wall Thickness :
STD, 40, XH, 60, 80, 100, 120, 140, 160, XXH
Heat Transfer :
Higher than austenitic steels
Thermal Expansion :
Lower than austenitic steels
Standard Compliance :
ASTM A 335, A 213, EN 10216-2
Micro-alloy Elements :
Vanadium, Niobium
Nitrogen Content :
Controlled
Corrosion Resistance :
Better than grade 22
Description
P91 Alloy Pipes with 14 to 720mm Outer Diameter and Bevel Surface
Product Overview
X10CrMoVNb9-1 Alloy Steel Seamless Pipes for High-temperature Service T91/P91
Material Definition
Grade T/P91 is a ferritic-martensitic steel containing 9% chromium and 1% molybdenum, micro-alloyed with vanadium and niobium with controlled nitrogen content. This material conforms to ASTM A 335, A 213, and EN 10216-2 standards under the designation X10CrMoVNb9-1.
Primary Applications
On fossil-fueled power plants, this grade is primarily used for high-temperature applications including superheater and reheater tubes, headers, and steam piping (main steam and hot reheat systems).
Performance Advantages
  • Excellent elevated-temperature strength and creep behavior up to 580°C - 600°C
  • 9% chromium content provides superior corrosion and oxidation resistance compared to grade 22
  • Reduced weight of boiler and piping components due to superior performance
  • Higher resistance to thermal fatigue
  • Superior heat transfer and lower thermal expansion coefficients compared to austenitic steels
Available Specifications
Standard wall thickness designations: STD, 40, XH, 60, 80, 100, 120, 140, 160, XXH
Special customer designated nominal and minimum wall thicknesses available. Non-standard OD & ID dimensions can be furnished.
Best Pipeline offers pipes from turned and bored forgings in accordance with Specifications A/SA369 when client requirements for size, wall thickness, quantity, or delivery cannot be met by material available under Specifications A/SA335.
Material Grades and Standards Comparison
EN/DIN Grade Steel Designation Standard
P235GH 1.0345 EN10216-2
P265GH 1.0425 EN10216-2
16Mo3 1.5415 EN10216-2
15NiCuMoNb5-6-4 1.6368 EN10216-2
13CrMo4-5 1.7335 EN10216-2
10CrMo9-10 1.7380 EN10216-2
X11CrMo5 1.7362 EN10216-2
X11CrMo9-1 1.7386 EN10216-2
X10CrMoNVb9-1 1.4903 EN10216-2
X10CrwMoVNb9-2 1.4901 EN10216-2
International Standards
Standard Country Organization
ASTM USA American Society of Mechanical Engineers
AISI USA American Iron and Steel Institute
JIS Japan Japanese Industrial Standards
DIN Germany Deutsches Institut fur Normung e.V.
UNS USA Unified Numbering System
Product Gallery
P91 Alloy Steel Seamless Pipe with 14 to 720mm Outer Diameter and Bevel Surface for High-temperature Service P91 Alloy Steel Seamless Pipe with 14 to 720mm Outer Diameter and Bevel Surface for High-temperature Service P91 Alloy Steel Seamless Pipe with 14 to 720mm Outer Diameter and Bevel Surface for High-temperature Service
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P91 Alloy Steel Seamless Pipe with 14 to 720mm Outer Diameter and Bevel Surface for High-temperature Service

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Product Detail
MOQ :
1 Ton
Price :
US $650-1,830 / Ton
Outer Diameter :
14 to 720mm
Section Shape :
Round
Surface Treatment :
Black
Material Grade :
X10CrMoVNb9-1
Contact Supplier
P91 Alloy Steel Seamless Pipe with 14 to 720mm Outer Diameter and Bevel Surface for High-temperature Service

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Verified Supplier
4 Years
jiangsu, wuxi
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
stainless steel roofing sheet, Stainless Steel Strip, Others stainless steel sheet
Total Annual :
>1000000
Employee Number :
>100
Certification Level :
Verified Supplier
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