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GOST 30245 C235 Welded Steel Tube Square And Rectangular Steel Tube For Building

Name: GOST 30245 C235 Welded Steel Tube Square And Rectangular Steel Tube For Building
Brand: TORICH
Price: 1 USD

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Brand Name :	TORICH
Model Number :	GOST 30245
Certification :	ISO9001 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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GOST 30245 C235 Welded Steel Tube Square And Rectangular Steel Tube For Building

GOST 30245 C235 C345 C390 C440 Welded Steel Tube

Introduction

GOST 30245 is a standard that specifies the requirements for welded steel tubes, particularly square and rectangular shapes, used in construction and various structural applications. This article provides an overview of the material specifications, key features, chemical composition, mechanical properties, steel grades, applications, and possible alternative grades.

Material Specification

The GOST 30245 standard outlines specific requirements for the manufacturing and testing of welded steel tubes, ensuring they meet the necessary quality and performance criteria for structural applications.

Key Features

Welded Construction: Ensures high strength and durability.
Versatility: Suitable for various applications in construction and engineering.
Standardization: Compliance with GOST ensures uniformity and reliability.
Corrosion Resistance: Depending on the grade, some tubes may offer enhanced resistance to environmental factors.

Chemical Composition

Steel Grade	C (%)	Si (%)	Mn (%)	P (%)	S (%)	Cr (%)	Ni (%)	Mo (%)
C235	0.12	0.15	1.40	0.045	0.045	0.30	0.30	0.10
C345	0.14	0.20	1.50	0.045	0.045	0.30	0.30	0.10
C390	0.16	0.25	1.60	0.045	0.045	0.30	0.30	0.10
C440	0.18	0.30	1.70	0.045	0.045	0.30	0.30	0.10

Mechanical Properties

Steel Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Hardness (HB)
C235	235	360-510	24	120-160
C345	345	430-580	22	140-180
C390	390	450-600	20	160-200
C440	440	490-640	18	180-220

Steel Grade

The GOST 30245 standard includes several steel grades, each with specific properties and applications. The most common grades are C235, C345, C390, and C440, which differ in their chemical composition and mechanical properties.

Application

Welded steel tubes conforming to GOST 30245 are widely used in various applications, including:

Structural frameworks for buildings and bridges
Manufacturing of machinery and equipment
Automotive components
Furniture and fixtures
Fencing and railings

Possible Alternative Grades

While GOST 30245 specifies certain grades, alternative grades may also be considered based on specific requirements:

S235: European equivalent with similar properties.
A500: American standard for cold-formed welded and seamless structural tubing.
EN 10219: European standard for cold-formed welded and seamless structural hollow sections.

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.

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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GOST 30245 C235 Welded Steel Tube Square And Rectangular Steel Tube For Building

GOST 30245 C235 Welded Steel Tube Square And Rectangular Steel Tube For Building

GOST 30245 C235 Welded Steel Tube Square And Rectangular Steel Tube For Building

GOST 30245 C235 C345 C390 C440 Welded Steel Tube

Introduction

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 ?

Building Welded Steel Tube

Square Welded Steel Tube

GOST 30245 Welded Steel Tube

GOST 30245 C235 Welded Steel Tube Square And Rectangular Steel Tube For Building

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