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Special Steel Pipe GB/T 3094

Special Steel Pipe GB/T 3094 is a high-quality product designed to meet various industrial and commercial needs with exceptional performance and reliability. Engineered with precision and expertise, this special steel pipe adheres to the stringent standards set by GB/T 3094, ensuring superior quality and durability. Whether used in construction, machinery, or other industrial applications, the Special Steel Pipe GB/T 3094 provides excellent structural integrity and corrosion resistance, making it a dependable choice for diverse projects. With its exceptional characteristics and adherence to industry standards, this steel pipe stands out as a premium solution for applications requiring strength, resilience, and longevity.


Special Steel Pipe GB/T 3094


Special steel pipes play a crucial role in various industries due to their unique properties and applications. One such special steel pipe is the GB/T 3094, which is widely used in different sectors. This article provides an overview of the GB/T 3094 special steel pipe, including its material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades.

Material and Specification

The GB/T 3094 special steel pipe is manufactured using high-quality materials to ensure its durability and performance. It is commonly produced from carbon steel or alloy steel, depending on the specific requirements. The specification for GB/T 3094 outlines the dimensions, tolerances, and other technical details that must be met during the manufacturing process.

Key Features

The GB/T 3094 special steel pipe possesses several key features that make it suitable for various applications. Some of the notable features include:

  1. High strength: The special steel pipe exhibits excellent strength properties, allowing it to withstand heavy loads and extreme conditions.
  2. Good corrosion resistance: The material used in GB/T 3094 offers resistance against corrosion, making it suitable for applications in corrosive environments.
  3. Superior weldability: The special steel pipe can be easily welded, ensuring efficient fabrication and installation processes.
  4. Excellent formability: GB/T 3094 can be formed into different shapes and sizes without compromising its structural integrity.

Chemical Composition

Element Carbon Steel (%) Alloy Steel (%)
Carbon (C) 0.12 – 0.20 0.15 – 0.25
Silicon (Si) 0.20 – 0.50 0.20 – 0.50
Manganese (Mn) 0.30 – 0.60 0.40 – 0.70
Phosphorus (P) ≤ 0.035 ≤ 0.035
Sulfur (S) ≤ 0.035 ≤ 0.035
Chromium (Cr) 0.80 – 1.10
Nickel (Ni) 0.30 – 0.60
Copper (Cu) 0.20 – 0.40

Mechanical Properties

Property Carbon Steel Alloy Steel
Tensile Strength 315 – 430 MPa 490 – 665 MPa
Yield Strength ≥ 195 MPa ≥ 325 MPa
Elongation (%) ≥ 33 ≥ 21
Impact Toughness ≥ 34 J/cm² ≥ 54 J/cm²
Hardness (HB) ≤ 156 ≤ 207

Steel Grade

The GB/T 3094 special steel pipe is available in various steel grades, each offering specific properties and suitability for different applications. Some commonly used steel grades include:

  1. Q195
  2. Q215
  3. Q235
  4. Q345
  5. 20Cr
  6. 40Cr
  7. 30CrMo
  8. 42CrMo


The GB/T 3094 special steel pipe finds extensive application in a wide range of industries. Some common areas where it is utilized include:

  1. Structural engineering: GB/T 3094 is widely used in the construction of buildings, bridges, and other structural components.
  2. Machinery manufacturing: The special steel pipe is employed in the production of machinery parts, such as gears, shafts, and axles.
  3. Automotive industry: GB/T 3094 is utilized in the manufacturing of automobile components, including chassis, exhaust systems, and suspension parts.
  4. Oil and gas sector: The special steel pipe is suitable for pipelines, drilling equipment, and other oil and gas-related applications.
  5. Power generation: GB/T 3094 is used in power plants for the construction of boilers, heat exchangers, and other critical components.

Possible Alternative Grades

While GB/T 3094 is a reliable choice for many applications, there are alternative grades available that may be suitable for specific requirements. Some possible alternative grades include:

  1. ASTM A500
  2. EN 10219
  3. JIS G3466
  4. DIN 2395

It is important to consult with industry experts or refer to specific standards to determine the most appropriate alternative grade for a particular application.


The GB/T 3094 special steel pipe is a versatile and reliable product that offers excellent strength, corrosion resistance, weldability, and formability. Its wide range of applications, coupled with various steel grades and possible alternative grades, make it a preferred choice in industries such as construction, machinery manufacturing, automotive, oil and gas, and power generation. By understanding the material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades of GB/T 3094, professionals can make informed decisions when selecting the appropriate special steel pipe for their specific needs.

Additional information


Air Conditioner


SAE1010 , SAE1020 , SAE1035 , SAE1045

Outer Diameter




Section Shape

Special Shape

Surface Treatment

According To Customer's Requirement


Wooden Box

Processing Services


Payment Method

L/C Western Union D/P D/A T/T MoneyGram

Company Profile

TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and

trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and

credibility among domestic and foreign customers.

The company’s production plant covers an area of over 10,000 square meters, with an annual production

capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which

can satisfy customers’ personalized needs for raw materials in terms of diversity and timeliness.

The group holds shares in more than ten domestic production entities, whose main products include

seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings

( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.),

aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC

deep processing of metal materials such as tubes, rods, and casting parts.

Over the past 30 years, the company has been gradually developing new technologies and materials to meet

the growing needs of customers and various diversified needs, exporting to more than 56 countries and still

increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and

to facilitate one-stop purchasing for customers




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