GB/T 34109 Alloy Steel Pipe: Thick-Walled Seamless Alloy Steel Pipe For Drill Rod Of Rotary Digging Machine
Introduction
The GB/T 34109 Alloy Steel Pipe is specifically designed for use as a thick-walled, seamless alloy steel pipe for the drill rod of a rotary digging machine. This high-quality pipe is manufactured according to the GB/T 34109 standard and exhibits exceptional strength, durability, and resistance to extreme conditions, making it an ideal choice for demanding drilling applications.
Material and Specification
The GB/T 34109 Alloy Steel Pipe is composed of carefully selected alloy steel materials to ensure superior performance and reliability. The specific material composition, as outlined in the GB/T 34109 standard, guarantees the necessary mechanical properties and chemical composition for optimal function and longevity.
The specification of the GB/T 34109 Alloy Steel Pipe provides precise details regarding the pipe's dimensions, including its outer diameter, wall thickness, and length. These specifications enable proper fitting and compatibility with rotary digging machines.
Key Features
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Thick-Walled Design: The GB/T 34109 Alloy Steel Pipe features a thick-walled structure, providing enhanced resistance to stress and ensuring exceptional durability in demanding drilling operations.
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Seamless Construction: The seamless design of this alloy steel pipe eliminates the risk of weak points and ensures smooth fluid flow, minimizing the chances of pipe failure or blockage.
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High Strength and Toughness: The carefully selected alloy steel materials used in the GB/T 34109 Alloy Steel Pipe offer excellent mechanical properties, including high strength and toughness, enabling it to withstand the intense forces encountered during drilling operations.
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Corrosion Resistance: This alloy steel pipe is designed to resist corrosion, both internally and externally, even when exposed to harsh drilling conditions and corrosive substances commonly found in drilling environments.
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Excellent Weldability: The GB/T 34109 Alloy Steel Pipe exhibits excellent weldability, which allows for the fabrication of custom components or additional modifications according to specific project requirements.
Chemical Composition
| Element | Percentage Range |
| Carbon (C) | 0.07-0.13% |
| Silicon (Si) | 0.17-0.37% |
| Manganese (Mn) | 0.40-0.70% |
| Phosphorus (P) | ≤0.025% |
| Sulfur (S) | ≤0.015% |
| Chromium (Cr) | 0.30-0.60% |
| Molybdenum (Mo) | 0.15-0.25% |
| Nickel (Ni) | ≤0.30% |
| Copper (Cu) | ≤0.25% |
Mechanical Properties
| Property | Value |
| Tensile Strength | 750-900 MPa |
| Yield Strength | ≥650 MPa |
| Elongation | ≥15% |
| Impact Toughness, KV2 | ≥50 J/cm² |
| Hardness (HB) | 217-248 HB |
| Charpy V-Notch Impact | ≥27 J/cm², -20°C |
| Test Temperature Range | -20°C to +40°C |
Steel Grade
The GB/T 34109 Alloy Steel Pipe is available in various steel grades, each designed to meet specific performance requirements. Common steel grades used for this pipe include, but are not limited to, 42CrMo, 35CrMo, and 40Cr.
Application
The GB/T 34109 Alloy Steel Pipe is widely used in the drill rods of rotary digging machines, providing reliable support for drilling operations in various industries, including construction, mining, and oil exploration. Its outstanding performance characteristics make it suitable for heavy-duty, high-pressure, and extended drilling applications.
Possible Alternative Grades
While the GB/T 34109 Alloy Steel Pipe offers exceptional performance, there are alternative alloy steel grades available for specific applications. These alternatives include 40CrNiMoA and 35CrMnSiA, which may be considered based on the unique requirements and conditions of the drilling operation.
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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GB/T 34109 Thick Walled Seamless Alloy Steel Pipe For Drill Rod Of Rotary Digging Machine Images
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