Product Parameters
Big Diameter Welded Rectangular Seamed Steel Tubing and Pipe
Material
Big diameter welded rectangular seamed steel tubing and pipe are primarily made from carbon steel, stainless steel, and alloy steel. The choice of material depends on the intended application, environmental conditions, and required mechanical properties.
Specification
The specifications for big diameter welded rectangular seamed steel tubing and pipe typically include dimensions, wall thickness, and mechanical properties. Common standards include ASTM A500, ASTM A53, and EN 10219.
Key Features
High Strength: These tubes are designed to withstand high pressure and loads, making them suitable for various structural applications.
Versatility: They can be used in a wide range of applications, from construction to manufacturing.
Corrosion Resistance: Depending on the material, these tubes can offer excellent resistance to corrosion, especially when made from stainless steel.
Weldability: The welded seams provide enhanced structural integrity and allow for customization in length and diameter.
Chemical Composition
| Material Grade | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) |
| ASTM A500 | 0.26 max | 1.20 max | 0.04 max | 0.05 max | 0.10-0.40 |
| ASTM A53 | 0.25 max | 1.20 max | 0.04 max | 0.05 max | 0.10-0.40 |
| EN 10219 | 0.20 max | 1.60 max | 0.025 max | 0.025 max | 0.10-0.40 |
Mechanical Properties
| Property | ASTM A500 | ASTM A53 | EN 10219 |
| Yield Strength (MPa) | 250 | 240 | 235 |
| Tensile Strength (MPa) | 400-550 | 330-480 | 355 |
| Elongation (%) | 20 | 20 | 20 |
Physical Properties
| Property | Value |
| Density (g/cm³) | 7.85 |
| Melting Point (°C) | 1425-1540 |
| Thermal Conductivity (W/m·K) | 50.2 |
Process Performance
| Process | Performance Characteristics |
| Welding | Excellent weldability with proper techniques |
| Forming | Good formability for various shapes |
| Machining | Moderate machinability depending on grade |
Steel Grade
ASTM A500
This specification covers cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. It is commonly used in construction and structural applications.
ASTM A53
This specification covers seamless and welded black and hot-dipped galvanized steel pipe. It is widely used in plumbing and other applications requiring a reliable pipe.
EN 10219
This European standard specifies the requirements for cold-formed welded and seamless structural hollow sections of non-alloy and fine grain steels. It is used in various structural applications across Europe.
Application
Big diameter welded rectangular seamed steel tubing and pipe are used in various applications, including:
Construction: Structural support in buildings and bridges.
Manufacturing: Framework for machinery and equipment.
Transportation: Pipelines for oil, gas, and water.
Automotive: Chassis and structural components.
Possible Alternative Grades
API 5L: Suitable for oil and gas pipelines.
ASTM A252: Used for piling applications.
EN 10210: For hot-finished structural hollow sections.
Product Show
Hot Tags: big diameter welded rectangular seamed steel tubing and pipe, China, suppliers, manufacturers, factory, customized, wholesale, price, OEM, mill, producer, for sale, , ,
