Essential details
MOQ:5000
Shipping:Ocean Shipping
Specification Number:● OD: Ø10～141.3mm, ● Wall Thickness: 1～18mm.
Product Introduction
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 | 🌐 www.hzhmetals.com / www.wuxihengzhihui.com
Contact: Alice Yuan
Tags: Alloy Steel Pipe Chrome Moly Pipe ASTM A335 P91 Pipe High Temperature Pipe
Product details
