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DIN 17178 St35.8 Welded Round Circular Fine Grain Steel Tubes For Special Requirements

Name: DIN 17178 St358 Welded Round Circular Fine Grain Steel Tubes For Special Requirements
Brand: TORICH
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Brand Name :	TORICH
Model Number :	DIN 17178
Certification :	ISO 9001 ISO14001 TS16949
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

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DIN 17178 St35.8 Welded Round Circular Fine Grain Steel Tubes For Special Requirements

DIN 17178 Welded Round Steel Tubes: St35.8, StE 255, StE 355, StE 420, StE 460

For Special Requirements

DIN 17178 is a standard specification for welded circular fine grain steel tubes, designed to meet special requirements in various industrial applications. This article delves into the material, specifications, key features, chemical composition, mechanical properties, steel grades, applications, and possible alternative grades of these tubes.

Material

The DIN 17178 standard covers a range of steel grades, including St35.8, StE 255, StE 355, StE 420, and StE 460. These materials are known for their fine grain structure, which enhances their mechanical properties and makes them suitable for demanding applications.

Specification

DIN 17178 specifies the requirements for welded round steel tubes with fine grain steel. These tubes are primarily used in applications where high strength, toughness, and resistance to dynamic stresses are required. The standard ensures that the tubes meet specific quality and performance criteria.

Key Features

High Strength: The fine grain structure provides excellent strength and toughness.
Weldability: These tubes are designed to be easily welded, making them suitable for various fabrication processes.
Corrosion Resistance: Enhanced resistance to corrosion, especially when used in harsh environments.
Versatility: Suitable for a wide range of applications, including construction, automotive, and machinery.

Chemical Composition

The chemical composition of the steel grades under DIN 17178 is crucial for their performance. Below is a table presenting the typical chemical composition for these grades:

Element	St35.8	StE 255	StE 355	StE 420	StE 460
C	0.17	0.20	0.22	0.20	0.20
Si	0.35	0.35	0.55	0.55	0.55
Mn	0.40	1.40	1.60	1.60	1.60
P	0.025	0.025	0.025	0.025	0.025
S	0.025	0.025	0.025	0.025	0.025

Mechanical Properties

The mechanical properties of these steel grades are essential for their performance in various applications. The table below outlines the typical mechanical properties:

Property	St35.8	StE 255	StE 355	StE 420	StE 460
Yield Strength (MPa)	235	255	355	420	460
Tensile Strength (MPa)	360-480	410-530	490-630	520-680	550-720
Elongation (%)	25	22	20	19	18

Steel Grade

The steel grades covered by DIN 17178 include:

St35.8: Known for its good weldability and moderate strength.
StE 255: Offers improved strength and toughness.
StE 355: Provides a balance of strength and ductility.
StE 420: High strength with good toughness.
StE 460: Offers the highest strength among the grades, suitable for demanding applications.

Application

These welded round steel tubes are used in various applications, including:

Construction: Structural components and frameworks.
Automotive: Parts requiring high strength and durability.
Machinery: Components subjected to dynamic stresses.
Energy Sector: Pipelines and pressure vessels.

Possible Alternative Grades

In some cases, alternative grades may be considered based on specific requirements:

EN 10217: A similar European standard for welded steel tubes.
ASTM A53: An American standard for welded and seamless steel pipes.
JIS G3454: A Japanese standard for carbon steel pipes.

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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DIN 17178 St35.8 Welded Round Circular Fine Grain Steel Tubes For Special Requirements

DIN 17178 St35.8 Welded Round Circular Fine Grain Steel Tubes For Special Requirements

DIN 17178 St35.8 Welded Round Circular Fine Grain Steel Tubes For Special Requirements

DIN 17178 Welded Round Steel Tubes: St35.8, StE 255, StE 355, StE 420, StE 460

For Special Requirements

Material

Specification

Key Features

Chemical Composition

Mechanical Properties

Steel Grade

Application

Possible Alternative Grades

Q: Are you trading company or manufacturer ?

Q: How long is your delivery time?

Q: Do you provide samples? is it free or extra ?

Q: What is your terms of payment ?

St35.8 Welded Round Steel Tube

Fine Grain Welded Round Steel Tube

DIN 17178 Welded Round Steel Tube

DIN 17178 St35.8 Welded Round Circular Fine Grain Steel Tubes For Special Requirements

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