Views: 0 Author: Site Editor Publish Time: 2026-06-11 Origin: Site
When manufacturing high-quality hydraulic cylinders, selecting the right honed tube material is one of the most critical decisions. The material directly affects cylinder performance, durability, and cost.
Two of the most common steel grades used for honed tubes are ST52 (DIN standard) and SAE1020 (ASTM standard). But which one is right for your application?
In this article, we will compare ST52 vs SAE1020 from three key aspects:
Chemical composition & mechanical properties
Application scenarios
Cost considerations
| Property | ST52 (DIN 2391) | SAE1020 |
|---|---|---|
| Standard | German DIN | American ASTM |
| Carbon Content | ≤ 0.22% | 0.17% – 0.23% |
| Manganese Content | ≤ 1.60% | 0.30% – 0.60% |
| Tensile Strength | 490 – 630 MPa | ≥ 410 MPa |
| Yield Strength | ≥ 355 MPa | ≥ 245 MPa |
| Elongation | ≥ 22% | ≥ 20% |
| Hardness (as delivered) | ~180 – 210 HB | ~140 – 160 HB |
Key takeaway: ST52 has higher tensile and yield strength than SAE1020, making it suitable for higher pressure applications.
High pressure hydraulic cylinders (e.g., construction machinery, mining equipment)
Telescopic cylinders
Industrial hydraulic systems requiring high strength
Medium to low pressure hydraulic cylinders
Agricultural machinery
Pneumatic cylinders
Cost-sensitive projects where extreme strength is not required
Key takeaway: If your cylinder operates under high pressure (over 200 bar) or in heavy-duty conditions, ST52 is the safer choice. For standard applications, SAE1020 offers adequate performance at a lower cost.
| Material | Relative Cost | Machinability | Weldability |
|---|---|---|---|
| ST52 | Higher | Good | Excellent |
| SAE1020 | Lower | Excellent | Excellent |
SAE1020 is generally 10-15% lower in material cost than ST52. However, the total cost of the cylinder also includes machining, honing, and assembly. For high-pressure applications, the extra strength of ST52 often justifies the higher material cost.
| Your Application | Recommended Material |
|---|---|
| High pressure hydraulic cylinder (>200 bar) | ST52 |
| Construction / mining equipment | ST52 |
| Agricultural machinery | SAE1020 |
| General industrial cylinder | SAE1020 or ST52 |
| Cost-sensitive project | SAE1020 |
| Extreme durability required | ST52 |
Both ST52 and SAE1020 are excellent materials for honed tubes. The right choice depends entirely on your operating pressure, duty cycle, and budget.
Choose ST52 if you need higher strength, durability, and reliability for demanding applications.
Choose SAE1020 if your application is standard pressure, cost-sensitive, or for general industrial use.
As a specialized honed tube manufacturer with 16+ years of experience, we offer both ST52 and SAE1020 honed tubes in a wide range of sizes (ID 40-320mm). We can also help you select the most cost-effective material for your specific cylinder design.
Contact us with your cylinder specifications, and we will recommend the best honed tube material for your project.
Email: info@ztusteel.com
Website: www.ztusteel.com
WhatsApp: 086 15061980706
