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. |
| Application | Precision Applications |
| Standard | ASTM,DIN,GB,JIS,API |
| Thickness | 1-100mm |
| Technique | Cold Drawn,Cold Rolled,Hot Rolled/Cold Drawn |
| Surface treatment | customerized |
| Grade | Q355B |
| Alloy or not | Is Alloy |
| Standard2 | GB/T 3639 |
| Section shape | Round,Rectangular |
| Outer diameter(round) | 17 - 660 mm |
| Special pipe | Precision steel tube,precision seamless pipe,cold drawn |
| Secondary or not | Non-secondary |
| Grade group | 10#-45#,16Mn |
| Length | As customer's require |
| Product name | steel tubes |
| Type | Seamless |
| Material | steel |
| Brand Name | TORICH |
| Model Number | Q355B |
| Certification | API,CE,ISO,ISO9001-2008,ISO9001 |
| 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. |
| Application | Precision Applications | Standard | ASTM,DIN,GB,JIS,API |
| Thickness | 1-100mm | Technique | Cold Drawn,Cold Rolled,Hot Rolled/Cold Drawn |
| Surface treatment | customerized | Grade | Q355B |
| Alloy or not | Is Alloy | Standard2 | GB/T 3639 |
| Section shape | Round,Rectangular | Outer diameter(round) | 17 - 660 mm |
| Special pipe | Precision steel tube,precision seamless pipe,cold drawn | Secondary or not | Non-secondary |
| Grade group | 10#-45#,16Mn | Length | As customer's require |
| Product name | steel tubes | Type | Seamless |
| Material | steel | Brand Name | TORICH |
| Model Number | Q355B | Certification | API,CE,ISO,ISO9001-2008,ISO9001 |
| Place of Origin | Zhejiang/China |
Q355B seamless cold drawn steel tubes are a type of low alloy steel pipe known for their high strength and excellent mechanical properties. These tubes are designed for precision applications where dimensional accuracy and surface finish are critical. The Q355B grade is part of the Chinese GB/T standard, which specifies the technical requirements for seamless steel tubes.
Q355B seamless steel tubes are manufactured using a cold drawing process, which enhances their dimensional accuracy and surface quality. These tubes are available in various sizes and thicknesses to meet specific application requirements. The specification of Q355B tubes typically includes:
The chemical composition of Q355B steel is crucial for its mechanical properties and performance. The table below outlines the typical chemical composition:
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.20 |
| Silicon (Si) | ≤ 0.50 |
| Manganese (Mn) | 1.00 - 1.60 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.030 |
| Vanadium (V) | ≤ 0.10 |
| Niobium (Nb) | ≤ 0.07 |
| Titanium (Ti) | ≤ 0.20 |
The mechanical properties of Q355B steel tubes are essential for their performance in precision applications. The table below presents the typical mechanical properties:
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 470 - 630 |
| Yield Strength (MPa) | ≥ 355 |
| Elongation (%) | ≥ 20 |
| Impact Energy (J) | ≥ 34 (at -20°C) |
Q355B steel is comparable to several international standards and steel grades, including:
These standards and grades share similar mechanical properties and chemical compositions, making them suitable alternatives for specific applications.
Q355B seamless cold drawn steel tubes are widely used in various industries due to their excellent mechanical properties and precision. Common applications include:
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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