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. |
| Standard2 | GB/T 30829 |
| Standard | GB |
| Grade | Q345GNHL |
| Grade group | Q195-Q345 |
| Application | Oil Derrick |
| Section shape | Round |
| Alloy or not | Non-alloy |
| Technique | Hot Rolled,Cold Rolled |
| Surface treatment | customerized |
| Secondary or not | Non-secondary |
| Special pipe | seamless stainless steel tube |
| Material | Carbon steel |
| Shape | Round Shape |
| Product name | Seamless steel tube |
| Surface | Customers't Requirement |
| Brand Name | TORICH |
| Model Number | GB/T 30829 |
| 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. |
| Standard2 | GB/T 30829 | Standard | GB |
| Grade | Q345GNHL | Grade group | Q195-Q345 |
| Application | Oil Derrick | Section shape | Round |
| Alloy or not | Non-alloy | Technique | Hot Rolled,Cold Rolled |
| Surface treatment | customerized | Secondary or not | Non-secondary |
| Special pipe | seamless stainless steel tube | Material | Carbon steel |
| Shape | Round Shape | Product name | Seamless steel tube |
| Surface | Customers't Requirement | Brand Name | TORICH |
| Model Number | GB/T 30829 | Certification | ISO9001 ISO14001 TS16949 |
| Place of Origin | ZheJiang/China | ||
| High Light | Cold Rolled Round Seamless Steel Tubes ，Oil Derrick Seamless Steel Tube ，GB/T 30829 Seamless Steel Pipe | ||
Seamless steel tubes play a vital role in various industries, including the oil and gas sector. They are extensively used in oil derricks due to their structural integrity, high tensile strength, and resistance to corrosion. GB/T 30829 is a standard that specifies the material, specification, chemical composition, and mechanical properties of seamless steel tubes for oil derricks.
The material used in the production of seamless steel tubes for oil derricks is crucial to ensure the tube's durability and reliability. GB/T 30829 mandates the use of high-quality carbon and low-alloy steels. These steels provide excellent strength and toughness, making them suitable for the demanding conditions encountered in oil derrick operations.
GB/T 30829 establishes the specification requirements for seamless steel tubes used in oil derricks. The standard covers both shaped and round seamless steel tubes, ensuring a comprehensive range of options to meet different design and operational needs.
The standard specifies the dimensions, tolerances, and technical requirements for the production of seamless steel tubes. It also provides guidelines for the appearance, weight, and surface quality of the tubes. Adhering to these specifications guarantees that the tubes are manufactured to consistent and high-quality standards.
The chemical composition of seamless steel tubes for oil derricks is crucial in determining their mechanical properties and resistance to corrosion. The main elements and their maximum permissible content as specified in GB/T 30829 are presented in the table below:
| Element | Maximum Permissible Content (%) |
|---|---|
| C (Carbon) | 0.20 |
| Si (Silicon) | 0.55 |
| Mn (Manganese) | 1.00 |
| P (Phosphorus) | 0.035 |
| S (Sulfur) | 0.035 |
| Cr (Chromium) | 0.25 |
| Ni (Nickel) | 0.25 |
| Cu (Copper) | 0.25 |
| Mo (Molybdenum) | 0.08 |
| V (Vanadium) | 0.10 |
| Nb (Niobium) | 0.03 |
| Ti (Titanium) | 0.03 |
The mechanical properties of seamless steel tubes for oil derricks are essential for withstanding the high stresses and harsh conditions of drilling operations. GB/T 30829 specifies the required mechanical properties, ensuring the tubes' strength and reliability. The key mechanical properties are presented in the table below:
| Property | Symbol | Minimum Value |
|---|---|---|
| Tensile Strength | Rm | 758 MPa |
| Yield Strength | Re | 620 MPa |
| Elongation | A | 20% |
| Reduction of Area | Z | 55% |
| Impact Absorption Energy | Akv | 71 J |
Seamless steel tubes specified by GB/T 30829 find extensive application in the field of oil derricks. These tubes are particularly suitable for the construction of derrick columns, drilling platforms, and various support structures in the oil and gas industry. The seamless design, coupled with the material and manufacturing standards set by GB/T 30829, ensure the durability, load-bearing capability, and integrity required in oil derrick applications.
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 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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