E470 Alloy Steel Pipe Overview
📘 Process Method: Hot Rolled, Cold Drawn, Cold Rolled
🚚 Delivery Condition: Hot Finished(+AR), Normalized(+N), Quenched and tempered(Q+T), etc.
📏 Dimensions: OD: 21 to 720 mm | WT: 2 to 200 mm | Length: ≤ 12 m
Related Specifications
| Steel Standard | Steel Name | Steel Number |
| EN 10294-1 / EN 10297 | E470 | 1.0536 |
Chemical Composition (wt %)
| C | Si | Mn | V | P | S | Al | Nb | Ti |
| 0.16/0.22 | 0.10/0.50 | 1.30/1.70 | 0.08/0.15 | ≤0.030 | ≤0.035 | ≤0.010 | ≤0.070 | ≤0.020 |
Mechanical Properties
| Steel Name | Wall Thickness | Rp 0.2 (MPa) | Rm (MPa) | A % |
| E470 | ≤ 16mm | 470 | 650 | 17 |
| E470 | >16mm ≤ 40mm | 430 | 600 | 17 |
Quenched and Tempered Properties
| Steel Name | WT | Yield (MPa) | Tensile (MPa) | Elong % | Hardness HB |
| E470 | ≤ 16 | 590 | 700 | 16 | 205 |
| E470 | ≤ 50 | 480 | 570 | 16 | 160 |
🛠️ Machinability: Excellent machinability with high cutting speeds or improved tool life.
🔥 Heat Treatment: Will through harden with a moderate increase in strength; also suitable for carburizing, carbonitriding, or nitriding.
⚡ Welding: Excellent weldability for hot rolled/cold drawn conditions.
Normalising: Heat to 880°C, Cool in still air
Stress Relieving: Heat to 600 - 620°C, Cool in still air
Hardening: Heat to 880°C, Quench in oil or water
Tempering: Heat to 500 - 600°C, Cool in still air
Frequently Asked Questions (FAQ)
Q1: What are the primary applications for E470 alloy steel pipes?
A1: E470 alloy steel is specifically designed for mechanical applications and oil equipment due to its excellent machinability and high strength.
Q2: Can E470 pipes be customized by size?
A2: Yes, we provide dimensions ranging from 21mm to 720mm in outer diameter and wall thicknesses from 2mm to 200mm.
Q3: What types of heat treatment are available for E470?
A3: E470 supports various treatments including Normalizing, Stress Relieving, Hardening, and Quenching & Tempering (Q+T).
Q4: Is cutting service available for these pipes?
A4: Yes, customized cutting services are available to meet specific length requirements.
Q5: What quality certifications are provided?
A5: We provide MTC (Mill Test Certificates) following 3.1 or 3.2 standards to ensure material traceability and quality.
Q6: How is the weldability of E470 steel?
A6: E470 exhibits excellent weldability in hot rolled or cold drawn conditions, though extra care should be taken when the material is through-hardened.