ASTM A519 4130 Pipe

A519 4130 has the characteristics of high hardness and high strength and is widely used in the oil and gas industry. Gnee has 5,000 tons of AISI 4130 pipes in stock. We provides customized services, supports testing, and reliable logistics. View more information.

4130 steel pipe is a commonly used alloy steel pipe. “4130” indicates the content of its main alloying elements, that is, the carbon content in the steel is about 0.30%, and it also contains about 1.0% chromium and 0.2% molybdenum. This alloy formula gives 4130 steel pipe unique characteristics, such as excellent mechanical properties and corrosion resistance.

Outer Diameter6mm-350mm
Length6m,12m, or customized
Custom SizeAvailable

Gnee has a large inventory of 4130 steel pipes, which allows to meet customers’ needs and deliver products in a timely manner. This avoids delays in project progress due to shortages. Our inventory management system is highly precise, ensuring inventory accuracy and real-time updates. Whether it is mass production or individual customized needs, Gnee can provide quick responses, which brings convenience and confidence to customers.

7 days for stock goods/ within 30-50 days / depending on your order quantity

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D.

  • Bundles
  • Wooden Boxes
  • Crates
  • Packaging for P91 pipe as customer’s requirements

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A) Full Service: Pre, In, After
B) 15+ Years Exp.Global Export
C) 365 Days Always Online
D) Large-scale Reserve
E) Diversified Logistics Solution

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ASTM A519 4130 pipe For Sale
  • Provide wide sizes from small to large, for example 12mm, 15mm,18mm and more. Also can be customized according to customer requirements

Gnee supplies A519 4130 steel pipes of a wide range sizes waiting for you to choose.


With excellent mechanical properties, A519 4130 pipe is widely used in the following fields:

  • Aerospace industry: Used in the aerospace field to manufacture structural parts and parts of aircraft
  • Automobile and motorcycle industry: Used in the manufacture of automobiles, motorcycles and other vehicle parts
  • Bicycle industry: Used in bicycle manufacturing, especially in the manufacture of high-quality road bikes, mountain bikes
  • Oil and gas industry: Used in oil and gas industry for oil well pipelines, pipeline connectors and oil extraction equipment.
  • Mechanical and structural engineering: Used to manufacture various mechanical parts and structural components
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parameter Of ASTM A519 4130 pipe
Chemical composition limits, %
Grade DesignationCarbonManganesePhosphorus,maxSulfur, maxSiliconNickelChromiumMolybdenum
Tensile strength, ultimate560 MPa81200 psi
Tensile strength, yield460 MPa66700 psi
Modulus of elasticity190-210 GPa27557-30458 ksi
Bulk modulus (Typical for steel)140 GPa20300 ksi
Shear modulus (Typical for steel)80 GPa11600 ksi
Poissons ratio0.27-0.300.27-0.30
Elongation at break (in 50 mm)21.50%21.50%
Reduction of area59.659.60%
Hardness, Brinell217217
Hardness, Knoop (Converted from Brinell hardness)240240
Hardness, Rockwell B (Converted from Brinell hardness)9595
Hardness, Rockwell C (Converted from Brinell hardness, value below normal HRC range, for comparison purposes only.)1717
Hardness, Vickers (Converted from Brinell hardness)228228
Machinability (Annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.)7070
Density7.85 g/cm30.284 lb/in³
Melting point1432°C2610°F

Provide Various Pipe Fitting

Why Choose Gnee ASTM A519 4130 pipe?
Gnee’s ASTM A519 4130 pipe is distinguished by its superior quality, performance, and compliance with strict industry standards. At Gnee, we prioritize customer satisfaction and strive to meet our customers’ needs and exceed their expectations. Our ASTM A519 4130 pipes are manufactured using high-quality materials and advanced production techniques. We employ stringent quality control measures to ensure that each pipe meets the highest industry standards. The result is a durable and reliable product that provides long-lasting performance.

In addition, our ASTM A519 4130 pipe has been successfully exported to more than 60 countries such as Vietnam, Malaysia, Indonesia, Pakistan, UAE, and South Korea, etc. Many regular customers visit our company and factory and make multiple orders.

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What Services Does Gnee Provide?

Gnee can provide the following measurement services for ASTM A519 4130 pipes:

1. Dimensional measurement: Measure the dimensional parameters such as length, width, and thickness by measuring instruments to ensure the pipe is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness, and surface roughness of the A519 4130 pipe surface to help ensure that the quality and surface state of the pipe meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness of the ASTM A519 4130 pipe to ensure that it meets the design requirements.
4. Material measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the product to ensure that the quality and performance meet the requirements.
5. Bending and Deformation Measurements:The degree of bending and deformation of the steel pipe is measured and monitored by using tools such as bending measuring instruments and displacement sensors to ensure that it is within the allowable range.

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Gnee can customize the size and shape of steel pipes for your project according to specific project needs. The custom design of the ASTM A519 4130 pipe is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel pipe design to meet the specific needs of your engineering.

● According to the strength requirements of structural design, adjust the thickness, width, and length of ASTM A519 4130 pipes.
● The shape of the steel pipe can be designed according to the characteristics of the project.
● If you consider the convenience of installation and maintenance, we can also add openings for easy operation in the design for areas that require frequent maintenance.

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Purchasing Gnee ASTM A519 4130 pipe can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements.

Cutting service: ASTM A519 4130 pipe can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel pipes into required blocks, special-shaped parts.
Bending and forming:A519 4130 pipes are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding service: ASTM A519 4130 tube can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in ASTM A519 4130 pipes by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel pipe, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.

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Gnee ASTM A519 4130 pipes can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that 4130 pipes comply with relevant standards and regulations.

Material chemical composition analysis: Through chemical composition analysis, determine whether the composition of the steel pipe meets the standard requirements.
Mechanical performance test: Mechanical performance test includes tensile test, impact test, bending test, etc., which determine whether the mechanical properties such as strength, toughness and ductility of products meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of ASTM A519 4130 pipes to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of ASTM A519 4130 pipes, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of ASTM A519 4130 pipe, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of pipes, such as cracks, pores, inclusions, etc.

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