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Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > Alloy Steel Pipe Supplier – ASTM A335 P11 / P22 / P91 Chrome Moly Alloy Steel Pipe ASTM A335 P11, P22, P91 | High Temperature Service | OD 5-256mm
Alloy Steel Pipe Supplier – ASTM A335 P11 / P22 / P91 Chrome Moly Alloy Steel Pipe ASTM A335 P11, P22, P91 | High Temperature Service | OD 5-256mm
Product Spotlights
Alloy Steel Pipe Supplier – ASTM A335 P11 / P22 / P91
Chrome Moly Alloy Steel Pipe
ASTM A335 P11, P22, P91 | High Temperature Service | OD 5-256mm
Negotiable
MOQ: 1 Metric Ton (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Type:
Seamless
Warranty:
1Y
Technique:
Cold Drawn
Payment & Shipping
Payment Methods:
Port of Shipment:
SHANGHAI
Delivery Detail:
30 days
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Type
Seamless
Warranty
1Y
Technique
Cold Drawn
Surface Treatment
Black
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Other
Material
Carbon Steel
After-sales Service
Y
Section Shape
Round
Transport Package
Hexagonal or square bundles
Specification
6~256MM
Trademark
N/A
Origin
CHINA
Alloy Steel Pipe – ASTM A335 P11 / P22 / P91
Chrome Moly Alloy Steel Pipe
ASTM A335 P11, P22, P91 | High Temperature Service | OD 5-256mm
Product Overview
Our chrome moly alloy steel pipe to ASTM A335 (P11, P22, P91) is designed for high temperature and high pressure service in refineries, power plants, and petrochemical facilities.
✅ Seamless – No weld seam for creep strength
✅ Grades – P11 (1.25Cr-0.5Mo), P22 (2.25Cr-1Mo), P91 (9Cr-1Mo-V)
✅ OD range – 5mm – 256mm
✅ WT range – 2mm – 20mm
✅ Heat treated – Normalized + tempered (P91)
Key Specifications
| Grade | Yield (MPa) | Tensile (MPa) | Max Temp |
|---|---|---|---|
| P11 | ≥205 | ≥415 | 550°C |
| P22 | ≥205 | ≥415 | 565°C |
| P91 | ≥415 | ≥585 | 650°C |
Applications
Main steam lines
High temperature headers
Refinery heater tubes
Superheater outlet piping
Contact
📧 yjhtrade@gmail.com | 📞 +86 15106174543 | 🌐 /
Contact: Alice Yuan
Tags: Alloy Steel Pipe Chrome Moly Pipe ASTM A335 P91 Pipe High Temperature Pipe
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1Yr
Business Type
Trading Company
Year Established
2021
Factory Size
50,000-100,000 square meters
Annual Export Value
Below US$1 Million
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