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GB/T 3093 Q345A High-Pressure Large Diameter Seamless Steel Tubes For Diesel Engine

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
Certification: ISO9001 ISO14001 TS16949 Model Number: GB/T 3093

Detail Information

Standard: GB Grade: Q345
Grade Group: Q195-Q345 Application: Diesel Engine
Section Shape: Round,Square Alloy Or Not: Is Alloy
Technique: Hot Rolled,Cold Drawn,Cold Rolled Surface Treatment: Customerized
Secondary Or Not: Non-secondary Special Pipe: Thick Wall Pipe
Usage: Construction Structure Shape: Round Shape,Square. Rectangular.Round
Product Name: Seamless Steel Tube Surface: Customers't Requirement

Product Description

GB/T 3093 Q345A High-Pressure Large Diameter Seamless Steel Tubes For Diesel Engine 0

GB/T 3093 Q345A High-Pressure Large Diameter Seamless Steel Tubes For Diesel Engine

Material and Specification

The GB/T 3093 Q345A high-pressure large diameter seamless steel tubes are specifically designed for use in diesel engines. These tubes are made from high-quality steel and adhere to the GB/T 3093 standard, ensuring their reliability and performance.

The specification for these seamless steel tubes includes the following parameters:

  • Outer Diameter: Large Diameter
  • Wall Thickness: Varies based on application
  • Length: Customizable
  • Steel Grade: Q345A
  • Standard: GB/T 3093

Key Features

The GB/T 3093 Q345A high-pressure large diameter seamless steel tubes offer several key features that make them suitable for use in diesel engines:

  1. High Pressure Resistance: These tubes are designed to withstand high-pressure conditions, ensuring the safe and efficient operation of diesel engines.

  2. Seamless Construction: The seamless design of these tubes eliminates the risk of leakage and enhances their overall strength and durability.

  3. Precise Dimensional Accuracy: The tubes are manufactured with precise dimensional accuracy, ensuring a perfect fit and optimal performance in diesel engines.

  4. Corrosion Resistance: The high-quality steel used in the manufacturing process provides excellent resistance against corrosion, extending the lifespan of the tubes.

Chemical Composition

The chemical composition of GB/T 3093 Q345A high-pressure large diameter seamless steel tubes is as follows:

Element Composition (%)
C 0.20 max
Si 0.55 max
Mn 1.00-1.60
P 0.040 max
S 0.040 max
Nb 0.015-0.060
V 0.02-0.15
Ti 0.02-0.20
Al 0.015 min
N 0.012 max

Mechanical Properties

The mechanical properties of GB/T 3093 Q345A high-pressure large diameter seamless steel tubes are as follows:

Property Value
Tensile Strength 490-675 MPa
Yield Strength 345 MPa min
Elongation 21% min
Impact Toughness 34 J min
Hardness (HB) 130-180 HB

Steel Grade

The steel grade for GB/T 3093 Q345A high-pressure large diameter seamless steel tubes is Q345A. This grade offers excellent mechanical properties, high-pressure resistance, and good weldability, making it suitable for use in diesel engines.

Application

The GB/T 3093 Q345A high-pressure large diameter seamless steel tubes are primarily used in diesel engines. They are specifically designed to withstand the high-pressure conditions within the engine, ensuring reliable and efficient performance. These tubes are commonly used in various diesel engine components, such as fuel injection systems, exhaust systems, and turbochargers.

Possible Alternative Grades

While GB/T 3093 Q345A is a widely used grade for high-pressure large diameter seamless steel tubes in diesel engines, there are alternative grades available depending on specific requirements. Some possible alternative grades include Q345B, Q345C, and Q345D. These grades offer similar mechanical properties and high-pressure resistance, making them suitable alternatives for certain applications. However, it is important to consult the relevant standards and specifications to ensure compatibility and performance.

 

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Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.

Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.

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.

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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.

If you have another question, pls feel free to contact with me.

 

 

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