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YB/T 4335 Metallurgy Composite Bi-Metal Seamless Steel Tubes For Liquid Service

Minimum Order Quantity : 1Ton Price : Negotiable
Packaging Details : In bundles or in wooden boxes. Delivery Time : 20-40days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 60000 Ton/Tons per Year
Place of Origin: ZheJiang/China Brand Name: TORICH
Model Number: YB/T 4335

Detail Information

Certification: ISO Standard2: YB/T 4335
Thickness: 0.4 - 50 Mm Standard: GB
Grade: 30CrMnSi; GCr15 Grade Group: 30Mn
Application: Fluid Pipe Section Shape: Round
Alloy Or Not: Non-alloy Technique: Hot Rolled,Cold Drawn,Cold Rolled
Surface Treatment: Customerized Secondary Or Not: Non-secondary
Outer Diameter(round): 10 - 820 Mm Special Pipe: Precision Seamless Pipe
Material: Carbon Steel Usage: Construction Structure
Shape: Square. Rectangular.Round Product Name: Seamless Steel Tube
Surface: Customers't Requirement
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Liquid Seamless Steel Pipe


Composite Bi-Metal Seamless Steel Tubes


Metallurgy Seamless Steel Tube

Product Description


YB/T 4335 Seamless Steel Tube Metallurgy Composite Bi-Metal Seamless Steel Tubes For Liquid Service


Seamless steel tubes have become essential components in various industries, providing a reliable method for the transportation of liquids. The YB/T 4335 standard is specifically designed for metallurgy composite bi-metal seamless steel tubes, offering superior performance and durability. This article explores the material, specifications, key features, chemical composition, mechanical properties, steel grades, applications, and possible alternative grades of YB/T 4335 seamless steel tubes.

Material and Specification

The YB/T 4335 standard requires the use of high-quality materials to ensure the seamless steel tubes meet industry demands effectively. These tubes are made using a metallurgy composite bi-metal process, combining two different types of steel to achieve enhanced characteristics. This bi-metal composition enables the tubes to excel in terms of strength, corrosion resistance, and longevity.

Specification-wise, YB/T 4335 outlines various parameters such as the outer diameter, wall thickness, and length of the seamless steel tubes. These specifications ensure uniformity and consistency, allowing for seamless integration into different applications.

Key Features

The key features of YB/T 4335 seamless steel tubes are as follows:

  1. Enhanced Strength: The use of bi-metal composition results in a significant boost in the overall strength of these tubes, making them highly durable and capable of withstanding demanding operating conditions.

  2. Corrosion Resistance: The composite nature of YB/T 4335 seamless steel tubes provides excellent resistance to corrosion, extending their lifespan and minimizing the need for maintenance.

  3. Leak-Free Performance: Through the seamless manufacturing process, these tubes guarantee leak-free performance, ensuring the safe and reliable transport of liquids.

Chemical Composition

The table below presents the typical chemical composition of YB/T 4335 seamless steel tubes:

Element Content
Carbon 0.15%
Silicon 0.20%
Manganese 0.30%
Sulfur 0.035%
Phosphor 0.035%
Chromium 0.50-1.00%
Nickel 0.50-0.80%
Copper 0.20-0.40%
Molybdenum 0.15-0.25%
Vanadium 0.02-0.05%
Aluminum 0.02-0.05%

Note: The above table represents the general chemical composition and may vary slightly based on specific steel grades.

Mechanical Properties

The table below illustrates the typical mechanical properties of YB/T 4335 seamless steel tubes:

Property Value
Tensile Strength 800-1000 MPa
Yield Strength 600-800 MPa
Elongation ≥17%
Hardness ≤200 HV

Note: The mechanical properties can vary depending on the specific grade of the steel.

Steel Grade

YB/T 4335 seamless steel tubes are available in various steel grades, each designed for specific applications and operating conditions. Common steel grades include:

  1. BMT45: Suitable for high-pressure and high-temperature liquid service applications, offering excellent strength and corrosion resistance.

  2. BMT35: Ideal for moderate-pressure liquid transport, combining good mechanical properties and cost-effectiveness.

  3. BMT20: Designed for general-purpose liquid service, offering a balance between affordability and performance.


YB/T 4335 seamless steel tubes find wide applications across multiple industries, including but not limited to:

  1. Oil and Gas: These tubes can be used for the transportation of crude oil, natural gas, and other hydrocarbon liquids, ensuring safe and efficient delivery.

  2. Chemical Industry: YB/T 4335 seamless steel tubes can handle various chemical solutions and corrosive substances, making them suitable for chemical processing plants and laboratories.

  3. Power Generation: In power plants, these tubes are employed to carry liquids such as water or steam, contributing to the generation of electricity.

Possible Alternative Grades

In addition to the recommended steel grades, there are alternative options available that serve similar purposes. Some possible alternatives to YB/T 4335 seamless steel tubes include:

  1. ASTM A106: This American standard provides specifications for seamless carbon steel tubes suitable for high-temperature applications.

  2. API 5L: Primarily used in the oil and gas industry, API 5L specifies seamless and welded steel tubes for liquid and gas transportation.

  3. DIN 2391: This German standard encompasses precision steel tubes for various applications, including hydraulic systems and automotive components.

It is important to consult with experts and consider the specific requirements of your project before selecting an alternative grade.





YB/T 4335 Metallurgy Composite Bi-Metal Seamless Steel Tubes For Liquid Service 2     YB/T 4335 Metallurgy Composite Bi-Metal Seamless Steel Tubes For Liquid Service 3


YB/T 4335 Metallurgy Composite Bi-Metal Seamless Steel Tubes For Liquid Service 4     YB/T 4335 Metallurgy Composite Bi-Metal Seamless Steel Tubes For Liquid Service 5








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