TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters
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GB/T 31929 Seamless Steel Square Tubing Welded Stainless Steel Square Pipes For Shipbuilding
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Brand Name:TORICH
Model Number:GB/T 31929
Certification:ISO9001 ISO14001 TS16949
Price:Negotiable
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:5000Tons per Year
Delivery Time:4-8weeks
Company Data
Verified Supplier
Contact Person
Richard SHEN
Business Type:
Manufacturer Distributor/Wholesaler Exporter Trading Company Seller
Officials:
INDUSTRY AREA -HAIYAN ,JIAXING CITY ,ZHEJIANG ,CHINA
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
GB/T 31929 Seamless Steel Square Tubing Welded Stainless Steel Square Pipes For Shipbuilding
Introduction
In the shipbuilding industry, the use of high-quality materials is crucial to ensure the structural integrity and longevity of vessels. One such material that finds extensive application in shipbuilding is seamless steel square tubing welded stainless steel square pipes. These pipes, manufactured according to the GB/T 31929 standard, possess exceptional properties that make them ideal for shipbuilding purposes.
Material and Specification
The seamless steel square tubing welded stainless steel square pipes conform to the GB/T 31929 standard, which outlines the specific requirements for their manufacturing. The pipes are made from high-quality stainless steel, ensuring excellent corrosion resistance and durability. They are designed to have a square shape, providing structural stability and ease of installation.
Key Features
The seamless steel square tubing welded stainless steel square pipes offer several key features that make them highly suitable for shipbuilding applications:
-
Corrosion Resistance: The stainless steel material used in these pipes exhibits excellent resistance to corrosion, making them ideal for maritime environments where exposure to saltwater is common.
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High Strength: The pipes are manufactured using high-quality steel, providing them with exceptional strength and structural integrity. This ensures the pipes can withstand the demanding conditions experienced in shipbuilding.
-
Welded Construction: The pipes are welded using advanced techniques, resulting in a seamless and robust construction. This welding process ensures the pipes have uniform strength throughout their length, enhancing their reliability.
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Easy Installation: The square shape of these pipes simplifies the installation process, allowing for efficient and precise fitting in shipbuilding applications.
Chemical Composition
| Element | Composition Range (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Silicon (Si) | 0.75 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Chromium (Cr) | 16.0-18.0 |
| Nickel (Ni) | 10.0-14.0 |
| Molybdenum (Mo) | 2.0-3.0 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 520 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 40% min |
| Hardness (Brinell) | 187 max |
| Impact Toughness | 27 J min |
Steel Grade
The seamless steel square tubing welded stainless steel square pipes are available in various steel grades, including but not limited to:
- Grade 304
- Grade 316
- Grade 321
- Grade 904L
Application
These pipes find extensive application in shipbuilding due to their exceptional properties. They are commonly used in various shipbuilding components, including:
- Structural frames
- Handrails
- Piping systems
- Exhaust systems
- Water and fuel tanks
Possible Alternative Grades
While the seamless steel square tubing welded stainless steel square pipes are available in different grades, there are alternative grades that can be considered based on specific requirements. Some possible alternative grades include:
- Duplex stainless steel (e.g., Grade 2205)
- Super duplex stainless steel (e.g., Grade 2507)
- Nickel alloys (e.g., Inconel 625)
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.
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