TORICH INTERNATIONAL LIMITED
| 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. |
| Section shape | Round,Square,Rectangular,Round/Square/Rectangular/Oval.etc |
| Secondary or not | Non-secondary |
| Technique | ERW,Hot Rolled,Cold Rolled,Cold Drawn |
| Thickness | 0.4 - 50 mm |
| Application | Building |
| Surface treatment | Galvanized |
| Alloy or not | Non-alloy,Is Alloy |
| Standard | ASTM |
| Grade | C235 C345 C390 C440 |
| Surface | Galvanized Coated |
| Product name | galvanized square tube 4x4 gi square pipe ms square tube price list |
| Brand Name | TORICH |
| Model Number | GOST 30245 |
| Certification | ISO9001 ISO14001 TS16949 |
| Place of Origin | ZheJiang/China |
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Product Specification
| 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. |
| Section shape | Round,Square,Rectangular,Round/Square/Rectangular/Oval.etc | Secondary or not | Non-secondary |
| Technique | ERW,Hot Rolled,Cold Rolled,Cold Drawn | Thickness | 0.4 - 50 mm |
| Application | Building | Surface treatment | Galvanized |
| Alloy or not | Non-alloy,Is Alloy | Standard | ASTM |
| Grade | C235 C345 C390 C440 | Surface | Galvanized Coated |
| Product name | galvanized square tube 4x4 gi square pipe ms square tube price list | Brand Name | TORICH |
| Model Number | GOST 30245 | Certification | ISO9001 ISO14001 TS16949 |
| Place of Origin | ZheJiang/China | ||
| High Light | Building Welded Steel Tube ，Square Welded Steel Tube ，GOST 30245 Welded Steel Tube | ||
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.
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.
| 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 |
| 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 |
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.
Welded steel tubes conforming to GOST 30245 are widely used in various applications, including:
While GOST 30245 specifies certain grades, alternative grades may also be considered based on specific requirements:
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.
A: manufacturer,also can do trading.
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.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Who We are ？ -------A professional steel pipes materials inventor, manufacturer and solution provider Torich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which hol... Who We are ？ -------A professional steel pipes materials inventor, manufacturer and solution provider Torich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which hol...
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