ASTM A519 4140 Tubing Suppliers: Seamless Round Steel Pipe For Oil Gas Sewage Transport
Introduction
The ASTM A519 4140 tubing is a seamless round steel pipe that has various applications, particularly in the oil, gas, and sewage transport industries. This article will provide an overview of the material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades for ASTM A519 4140 tubing.
Material and Specification
ASTM A519 4140 tubing is made from low alloy steel with a composition that primarily consists of chromium, manganese, and molybdenum. This tubing is produced using seamless manufacturing processes, ensuring its high strength and durability. The specification for ASTM A519 4140 tubing outlines the requirements for its chemical composition, mechanical properties, and dimensional tolerances.
Key Features
ASTM A519 4140 tubing possesses several key features that make it suitable for various applications, including:
- High tensile strength: ASTM A519 4140 tubing has excellent mechanical properties, providing high tensile strength and toughness.
- Good weldability: This tubing can be easily welded using conventional methods, allowing for efficient fabrication and installation.
- Superior resistance to corrosion: The composition of ASTM A519 4140 tubing imparts good corrosion resistance properties, making it suitable for environments with high levels of moisture or chemical exposure.
- Versatile applications: Due to its robustness and reliability, this tubing finds applications in oil and gas pipelines, sewage systems, and other fluid transportation systems.
Chemical Composition
| Element | Composition Range |
| Carbon (C) | 0.38 - 0.43% |
| Manganese (Mn) | 0.75 - 1.00% |
| Phosphorus (P) | 0.035% (max) |
| Sulfur (S) | 0.040% (max) |
| Silicon (Si) | 0.15 - 0.35% |
| Chromium (Cr) | 0.80 - 1.10% |
| Molybdenum (Mo) | 0.15 - 0.25% |
Mechanical Properties
| Property | Value |
| Tensile Strength (MPa) | 655 - 830 |
| Yield Strength (MPa) | 415 |
| Elongation (%) | 25 (min) |
| Hardness (HRC) | 22 (max) |
Steel Grade
ASTM A519 4140 tubing falls under the category of low alloy steel and is commonly known as chrome-moly or chromoly steel. The "4140" designation refers to its composition of 0.40% carbon, along with significant amounts of chromium and molybdenum. These alloying elements contribute to its high strength and excellent toughness.
Application
The ASTM A519 4140 tubing is widely used in various applications, including:
- Oil and gas pipelines: Its high tensile strength and resistance to corrosion make it suitable for transporting oil and gas over long distances.
- Sewage systems: The robustness of ASTM A519 4140 tubing ensures its reliability in sewage transportation, even in demanding environmental conditions.
- Fluid transportation: Whether for water, chemicals, or other fluids, this tubing is an ideal choice due to its excellent mechanical properties and corrosion resistance.
Possible Alternative Grades
Although ASTM A519 4140 tubing is highly versatile and widely used, there are alternative grades that may suit specific applications. Some of these alternatives include ASTM A519 4130, ASTM A519 4340, and ASTM A519 1018. Each grade has its own unique combination of properties, allowing for tailored solutions based on specific requirements.
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At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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