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GOST 8734 Structural Steel Pipe Cold Formed Seamless Steel Tubes For Marine

Minimum Order Quantity : 1Tons Price : Negotiable
Packaging Details : in bundles or in wooden box Delivery Time : 4-8weeks
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 5000Tons per Year
Place of Origin: China,zhejiang Brand Name: TORICH
Model Number: GOST 8734

Detail Information

Certification: ISO9001 Application: Structural Steel Pipe
Alloy Or Not: Is Alloy Technique: Cold Drawn
Standard2: GOST 8734 Thickness: 0.4 - 12 Mm
Grade Group: 10#-45# Special Pipe: Cold-Formed
Section Shape: Round Secondary Or Not: Non-secondary
Shape: Round Shape
High Light:

GOST 8734 Structural Steel Pipe

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Cold Formed Seamless Steel Tubes

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Marine Seamless Steel Tubes

Product Description

GOST 8734 Structural Steel Pipe Cold Formed Seamless Steel Tubes For Marine 0

GOST 8734 Structural Steel Pipe Cold Formed Seamless Steel Tubes For Marine Applications


Table of Contents

  1. Introduction
  2. Material
  3. Specification
  4. Chemical Composition
  5. Mechanical Properties
  6. Steel Grade
  7. Application

1. Introduction

The GOST 8734 standard encompasses structural steel pipes that are specially designed for use in marine applications. These cold-formed seamless steel tubes are engineered to meet the rigorous demands of the maritime industry. In this article, we will explore the key aspects of GOST 8734, including the material, specification, chemical composition, mechanical properties, steel grade, and application of these steel tubes.

2. Material

Material Type Cold-Formed Seamless Steel
Standard GOST 8734
Usage Structural Steel Pipes
Application Marine Industry

3. Specification

The GOST 8734 standard defines the specifications for cold-formed seamless steel tubes for marine applications. These tubes are known for their durability, corrosion resistance, and excellent performance in the challenging conditions of the sea.

Specification Type Cold-Formed Seamless Steel Tubes for Marine Applications
Standard GOST 8734
Outer Diameter 6mm to 219mm
Wall Thickness 1mm to 30mm
Length 4m to 12m
Surface Treatment Anti-corrosion coating, as per requirements

4. Chemical Composition

The chemical composition of GOST 8734 structural steel pipes is carefully controlled to ensure their suitability for marine applications. The following table provides an overview of the typical chemical composition:

Element Chemical Composition (%)
Carbon (C) 0.07 - 0.20
Silicon (Si) 0.17 - 0.37
Manganese (Mn) 0.35 - 0.65
Phosphorus (P) 0.035 (max)
Sulfur (S) 0.035 (max)

5. Mechanical Properties

GOST 8734 structural steel pipes exhibit excellent mechanical properties, making them ideal for marine applications where strength and durability are crucial. The following table outlines the typical mechanical properties:

Property Value
Tensile Strength (MPa) 440 - 630
Yield Strength (MPa) 245 (min)
Elongation (%) 25 (min)
Impact Test Temperature -40°C (min)

6. Steel Grade

These cold-formed seamless steel tubes conform to various steel grades, ensuring that they meet the specific requirements of different marine applications. Commonly used steel grades include:

Steel Grade Description
St20 Low carbon, general-purpose structural steel
St45 Medium carbon steel with improved mechanical properties
St52 High-strength, low-alloy structural steel

7. Application

GOST 8734 structural steel pipes find extensive use in the marine industry due to their exceptional properties. They are employed in various applications, including but not limited to:

  1. Shipbuilding: These steel tubes are a fundamental component in constructing the hulls and superstructures of ships and vessels, ensuring their structural integrity in harsh maritime conditions.

  2. Offshore Structures: They are used in the fabrication of offshore platforms, rigs, and pipelines, where resistance to saltwater corrosion is critical.

  3. Marine Equipment: GOST 8734 steel tubes are utilized in the production of marine equipment such as pumps, valves, and hydraulic systems.

  4. Port Infrastructure: They are employed in the construction of port facilities, including piers, docks, and seawalls, where durability is paramount.

 

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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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