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Heat Treated Seamless Steel Tube – Normalized / Quenched & Tempered
Heat Treated Seamless Tube – Normalized & QT
For High Strength & Toughness | OD 5-256mm
Product Overview
Our heat treated seamless tubes are available in normalized (N) or quenched & tempered (QT) conditions, providing improved mechanical properties for demanding applications.
✅ Heat treatment – Normalized, Quenched & Tempered, Stress relieved
✅ OD range – 5mm – 256mm
✅ WT range – 2mm – 20mm
✅ Materials – 20#, 45#, 40Cr, 42CrMo, ST52
✅ Property – High strength, good toughness
Key Specifications
| Condition | Yield (MPa) | Tensile (MPa) | Hardness |
|---|---|---|---|
| Normalized (20#) | ≥245 | 410-550 | ~150 HB |
| QT (42CrMo4) | ≥550 | 700-900 | 240-300 HB |
| Normalized (ST52) | ≥355 | 490-640 | ~180 HB |
Applications
High strength shafts
Heavy duty hydraulic cylinders
Crane booms
Structural components with high stress
Contact
📧 yjhtrade@gmail.com | 📞 +86 15106174543 | 🌐 /
Contact: Alice Yuan
Tags: Heat Treated Steel Tube Quenched and Tempered Tube Normalized Tube 42CrMo4 High Strength Seamless Tube
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