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GB/T 24593 Welded Austenitic Stainless Steel Tube For Heat Exchanger

GB/T 24593 Welded Austenitic Stainless Steel Tube For Heat Exchanger

GB/T 24593 Welded Austenitic Stainless Steel Tube For Heat Exchanger
GB/T 24593 Welded Austenitic Stainless Steel Tube For Heat Exchanger
Categories Heat Exchanger Steel Tube
Brand Name: TORICH
Model Number: GB/T 24593
Certification: ISO8001 ISO14001 TS16949
Place of Origin: Zhejiang/China
MOQ: 1 Ton
Price: Negotiable
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 60000 Ton/Tons per Year
Delivery Time: 20-40days
Packaging Details: In bundles or in wooden boxes.
Application: Heat Exchanger
Technique: Hot Rolled,Cold Drawn,Cold Rolled
Thickness: 2.24 - 60 mm
Standard: ASTM,DIN,JIS,GB,API
Alloy or not: Is Alloy
Section shape: Round
Secondary or not: Non-secondary
Outer diameter(round): 10 - 500 mm
Special pipe: boiler tubes
Grade: 10#,16Mn,20#
Grade group: 10#-45#,16Mn
Material: carbon steel tube
Type: Heat Exchanger Tube
Length: 6 meters or as customers request
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Company Info.
TORICH INTERNATIONAL LIMITED
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GB/T 24593 Welded Austenitic Stainless Steel Tube For Heat Exchanger

GB/T 24593 Welded Austenitic Stainless Steel Tube For Heat Exchanger

Material Specification

GB/T 24593 is a Chinese standard that specifies the requirements for welded austenitic stainless steel tubes used in heat exchangers. These tubes are designed to withstand high temperatures and corrosive environments, making them ideal for use in various industrial applications, including chemical processing, power generation, and oil refining.

Key Features

  • Corrosion Resistance: The austenitic stainless steel composition provides excellent resistance to corrosion, making it suitable for harsh environments.
  • High Temperature Performance: These tubes can maintain their mechanical properties even at elevated temperatures.
  • Weldability: The material is easily weldable, allowing for efficient fabrication and installation.
  • Durability: Offers long service life due to its robust material properties.

Chemical Composition

The chemical composition of the welded austenitic stainless steel tubes under GB/T 24593 is crucial for ensuring their performance in heat exchangers. Below is a typical composition table:

Element Composition (%)
Carbon (C) ≤ 0.08
Silicon (Si) ≤ 1.00
Manganese (Mn) ≤ 2.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.030
Chromium (Cr) 18.00 - 20.00
Nickel (Ni) 8.00 - 11.00
Molybdenum (Mo) ≤ 0.75

Mechanical Properties

The mechanical properties of these tubes are designed to ensure they can withstand the operational stresses encountered in heat exchangers. Below is a typical mechanical properties table:

Property Value
Tensile Strength (MPa) ≥ 515
Yield Strength (MPa) ≥ 205
Elongation (%) ≥ 35
Hardness (HRB) ≤ 90

Steel Grade

The standard covers several steel grades, each with specific properties tailored for different applications. Common grades include:

  • 304/304L: Known for its excellent corrosion resistance and formability.
  • 316/316L: Offers enhanced resistance to pitting and crevice corrosion due to the presence of molybdenum.
  • 321: Stabilized with titanium for improved resistance to intergranular corrosion.

Application

GB/T 24593 welded austenitic stainless steel tubes are primarily used in:

  • Heat Exchangers: For efficient heat transfer in chemical processing and power plants.
  • Petrochemical Industry: In equipment that requires resistance to high temperatures and corrosive substances.
  • Food and Beverage Industry: Due to their non-reactive nature and ease of cleaning.

Possible Alternative Grades

While GB/T 24593 specifies certain grades, alternative materials may be considered depending on specific requirements:

  • Duplex Stainless Steels: For applications requiring higher strength and corrosion resistance.
  • Nickel Alloys: For extreme environments where standard stainless steels may not suffice.
  • Titanium Alloys: When weight savings and superior corrosion resistance are critical.

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.

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.

China GB/T 24593 Welded Austenitic Stainless Steel Tube For Heat Exchanger factory

GB/T 24593 Welded Austenitic Stainless Steel Tube For Heat Exchanger

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