Introduction:
EN10219 is a European standard specification for cold-formed welded structural hollow sections of non-alloy and fine grain steels. Womic Steel, a leading manufacturer of EN10219 steel pipes, offers a wide range of products meeting various grades and specifications. This article provides a detailed comparison of the chemical composition, mechanical properties, and impact requirements for different EN10219 grades, including S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, and S355K2H.
Production Size Range:
EN10219 steel pipes produced by Womic Steel are available in a wide range of sizes and shapes to suit different applications. The production size range includes:
ERW Steel Pipes: Diameter 21.3mm-610mm, Thickness 1.0mm-26mm
SSAW Steel Pipes: Diameter 219mm-3048mm, Thickness 5.0mm-30mm
LSAW Steel Pipes: Diameter 406mm-1626mm, Thickness 6.0mm-50mm
Square and Rectangular Tubes: 20x20mm to 500x500mm,thicknesses:1.0mm to 50mm
Production Process:
Womic Steel employs advanced cold-forming technology to produce EN10219 steel pipes, ensuring precise dimensions and excellent surface finish. The production process involves forming flat strip steel into a round shape, welding the seam using high-frequency induction welding, and sizing the welded tube to the final dimensions.
Surface Treatment:
EN10219 steel pipes produced by Womic Steel can be supplied with various surface treatments, including black painting, hot-dip galvanizing, and oiled, to meet customer requirements for corrosion protection and aesthetics.
Packaging and Transportation:
Womic Steel ensures that EN10219 steel pipes are securely packaged in bundles or as per customer requirements for safe transportation, minimizing the risk of damage during transit. They can be transported by road, rail, or sea, depending on the destination and quantity.
Testing Standards:
EN10219 steel pipes produced by Womic Steel undergo rigorous testing according to EN 10219-1 and EN 10219-2 standards to ensure they meet the highest quality standards and specifications. Tests include dimensional inspection, visual inspection, tensile testing, flattening testing, impact testing, and non-destructive testing.
Chemical Composition Comparison:
|
Grade |
Carbon (C) % |
Manganese (Mn) % |
Silicon (Si) % |
Phosphorus (P) % |
Sulfur (S) % |
| S235JRH | 0.17 | 1.40 | 0.040 | 0.040 | 0.035 |
| S275J0H | 0.20 | 1.50 | 0.035 | 0.035 | 0.035 |
| S275J2H | 0.20 | 1.50 | 0.030 | 0.030 | 0.030 |
| S355J0H | 0.22 | 1.60 | 0.035 | 0.035 | 0.035 |
| S355J2H | 0.22 | 1.60 | 0.030 | 0.030 | 0.030 |
| S355K2H | 0.22 | 1.60 | 0.030 | 0.025 | 0.025 |
Mechanical Properties and Impact Requirements Comparison:
|
Grade |
Yield Strength (MPa) |
Tensile Strength (MPa) |
Elongation (%) |
Charpy V-Notch Impact Test Requirements |
| S235JRH | 235 | 360-510 | 24 | 27J @ -20°C |
| S275J0H | 275 | 430-580 | 20 | 27J @ 0°C |
| S275J2H | 275 | 430-580 | 20 | 27J @ -20°C |
| S355J0H | 355 | 510-680 | 20 | 27J @ 0°C |
| S355J2H | 355 | 510-680 | 20 | 27J @ -20°C |
| S355K2H | 355 | 510-680 | 20 | 40J @ -20°C |
This comparison highlights the differences in chemical composition and mechanical properties between the EN10219 steel grades, providing valuable information for structural design and material selection.
Application Scenarios:
EN10219 steel pipes produced by Womic Steel are widely used in construction, infrastructure, and industrial applications, providing essential support in building structures, bridges, and other engineering projects.
Womic Steel's Production Strengths and Advantages:
Womic Steel's EN10219 steel pipes are known for their high-quality materials, precision manufacturing, customization options, and competitive pricing, making them a preferred choice for customers worldwide.
Conclusion:
EN10219 steel pipes are essential components in structural applications, offering durability, reliability, and high performance. With their advanced production capabilities, strict quality control measures, and competitive pricing, Womic Steel is a trusted manufacturer of EN10219 steel pipes, meeting the needs of customers in various industries around the world.
Post time: Apr-28-2024