16MnDG GB/T 18984 Low Temperature Seamless Pipe
16MnDG GB/T 18984 low-temperature seamless pipes are specifically designed to withstand low temperatures while maintaining excellent strength and toughness. These pipes are widely used in industries that require reliable performance in low-temperature environments. In this article, we will provide a comprehensive overview of the product description, product parameter table, mechanical properties and chemical composition, product use, and product grade standards associated with 16MnDG GB/T 18984 low-temperature seamless pipes.
Product Description:
16MnDG GB/T 18984 low-temperature seamless pipes are manufactured using a seamless process, ensuring a uniform and smooth interior surface. These pipes are primarily made from 16MnDG alloy steel, which offers exceptional resistance to low temperatures and exhibits excellent mechanical properties. The seamless construction eliminates the risk of weak points and ensures reliable performance in low-temperature environments.
Product Parameter Table:
The following table provides an overview of the typical parameters for 16MnDG GB/T 18984 low-temperature seamless pipes:
| Parameter | Value |
| Outside Diameter | 6mm to 720mm |
| Wall Thickness | 1mm to 120mm |
| Length | 5.8 meters, 6 meters, 11.8 meters, 12 meters |
| Manufacturing Method | Hot-finished or cold-drawn |
Mechanical Properties and Chemical Composition:
16MnDG GB/T 18984 low-temperature seamless pipes exhibit excellent mechanical properties and a well-defined chemical composition, making them suitable for use in low-temperature applications. The typical mechanical properties and chemical composition are as follows:
Mechanical Properties:
- Tensile Strength: ≥ 490-665 MPa
- Yield Strength: ≥ 315 MPa
- Elongation: ≥ 22%
- Impact Test Temperature: -40°C
Chemical Composition:
- Carbon (C): 0.13-0.19%
- Silicon (Si): 0.20-0.60%
- Manganese (Mn): 1.20-1.60%
- Phosphorus (P): ≤ 0.030%
- Sulfur (S): ≤ 0.030%
- Chromium (Cr): ≤ 0.30%
- Nickel (Ni): ≤ 0.30%
- Copper (Cu): ≤ 0.20%
- Vanadium (V): ≤ 0.10%
- Titanium (Ti): ≤ 0.030%
- Aluminum (Al): ≤ 0.040%
Product Use:
16MnDG GB/T 18984 low-temperature seamless pipes are widely used in industries that require reliable performance in low-temperature environments. They find extensive use in applications such as cryogenic storage tanks, low-temperature pipelines, and equipment that operates in severe cold conditions. These pipes are specifically designed to withstand the challenges of low temperatures while providing excellent strength, toughness, and resistance to brittle fracture.
Product Grade Standards:
The GB/T 18984 standard specifies the requirements for 16MnDG low-temperature seamless pipes. These pipes are manufactured to meet the specific mechanical properties and chemical composition requirements outlined in the standard. The adherence to this standard ensures the quality and reliability of these pipes in low-temperature applications.
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