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/Oval.etc,according to customer |
| Secondary or not | Non-secondary |
| Technique | ERW,Hot Rolled,Cold Rolled,Extruded |
| Thickness | 0.4 - 50 mm |
| Application | Structure Pipe |
| Surface treatment | Galvanized |
| Alloy or not | Is Alloy |
| Standard | ASTM,GB,JIS,BS |
| Grade | StE255 TStE255 EStE255 StE285 TStE285 EStE285 StE355 TStE355 EStE355 StE420 TStE420 EStE420 StE460 TStE460 EStE460 |
| Special pipe | Thick Wall Pipe |
| Length | 1-12m/as customers' requests |
| Surface | Galvanized Coated |
| Outer diameter(round) | 20 - 677 mm |
| Product name | ERW steel pipes,galvanized round pipe |
| Brand Name | TORICH |
| Model Number | DIN 17123 |
| Certification | ISO 9001 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/Oval.etc,according to customer | Secondary or not | Non-secondary |
| Technique | ERW,Hot Rolled,Cold Rolled,Extruded | Thickness | 0.4 - 50 mm |
| Application | Structure Pipe | Surface treatment | Galvanized |
| Alloy or not | Is Alloy | Standard | ASTM,GB,JIS,BS |
| Grade | StE255 TStE255 EStE255 StE285 TStE285 EStE285 StE355 TStE355 EStE355 StE420 TStE420 EStE420 StE460 TStE460 EStE460 | Special pipe | Thick Wall Pipe |
| Length | 1-12m/as customers' requests | Surface | Galvanized Coated |
| Outer diameter(round) | 20 - 677 mm | Product name | ERW steel pipes,galvanized round pipe |
| Brand Name | TORICH | Model Number | DIN 17123 |
| Certification | ISO 9001 ISO14001 TS16949 | Place of Origin | Zhejiang/China |
DIN 17123 specifies the requirements for welded circular fine grain steel tubes used in structural steelwork. These tubes are designed to provide high strength and durability, making them suitable for various construction applications. The standard covers several steel grades, including StE255, StE285, StE355, StE420, and StE460, each offering distinct mechanical properties to cater to different structural needs.
The chemical composition of these steel grades is crucial for their performance. Below is a table presenting the typical chemical composition for each grade:
| Element | StE255 | StE285 | StE355 | StE420 | StE460 |
|---|---|---|---|---|---|
| C | ≤ 0.20% | ≤ 0.20% | ≤ 0.20% | ≤ 0.20% | ≤ 0.20% |
| Si | ≤ 0.55% | ≤ 0.55% | ≤ 0.55% | ≤ 0.55% | ≤ 0.55% |
| Mn | 1.00-1.60% | 1.00-1.60% | 1.00-1.60% | 1.00-1.60% | 1.00-1.60% |
| P | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% |
| S | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% |
The mechanical properties of these steel grades determine their suitability for different structural applications. The table below outlines the typical mechanical properties:
| Property | StE255 | StE285 | StE355 | StE420 | StE460 |
|---|---|---|---|---|---|
| Yield Strength (MPa) | ≥ 255 | ≥ 285 | ≥ 355 | ≥ 420 | ≥ 460 |
| Tensile Strength (MPa) | 370-510 | 410-550 | 470-630 | 520-680 | 550-720 |
| Elongation (%) | ≥ 20 | ≥ 19 | ≥ 18 | ≥ 17 | ≥ 16 |
The steel grades covered under DIN 17123 are designed to meet various structural requirements:
These steel tubes are widely used in:
Depending on specific requirements, alternative steel grades may be considered:
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 providerTorich 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 holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich 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 holds the ...
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