GB/T 32970 Longitudinal Submerged Arc Welded Steel Pipe For High Pressure Service At High Temperatures
Product Details
Longitudinal Submerged Arc Welded Steel Pipe
,High Pressure Welded Steel Pipe
GB/T 32970 Longitudinal Submerged-Arc Welded Steel Pipe For High Pressure Service At High Temperatures
Material
The material used in GB/T 32970 longitudinal submerged-arc welded steel pipes for high pressure service at high temperatures is carbon steel.
Specification
The specification of GB/T 32970 includes the following parameters:
- Outer diameter range: 219-2820mm
- Wall thickness range: 6-30mm
- Length: 6-12 meters
- Pipe end: Bevel end, plain end, or threaded end
Key Features
GB/T 32970 longitudinal submerged-arc welded steel pipes for high pressure service at high temperatures exhibit the following key features:
- High strength: These pipes have high tensile strength, which ensures their suitability for high-pressure applications.
- Excellent heat resistance: Designed to withstand high temperatures, these pipes offer reliable performance in environments with elevated heat.
- Good weldability: The steel used in these pipes exhibits excellent weldability, allowing for easy and secure joining processes.
Chemical Composition
The chemical composition of GB/T 32970 longitudinal submerged-arc welded steel pipes for high pressure service at high temperatures is as follows:
| Element | Composition Range |
|---|---|
| Carbon | 0.20% max |
| Silicon | 0.15-0.55% |
| Manganese | 1.00-1.80% |
| Phosphorus | 0.030% max |
| Sulfur | 0.020% max |
| Copper | 0.25% max |
| Chromium | 0.30% max |
| Nickel | 0.30% max |
| Molybdenum | 0.10% max |
| Vanadium | 0.10% max |
Mechanical Properties
GB/T 32970 longitudinal submerged-arc welded steel pipes for high pressure service at high temperatures possess the following mechanical properties:
| Property | Minimum Value |
|---|---|
| Tensile Strength | 610 MPa |
| Yield Strength | 345 MPa |
| Elongation | 22% |
| Impact Toughness | 27 J |
| Hardness | 200 HB |
| Charpy V-notch Impact Test | -20°C |
Steel Grade
Steel grade used in GB/T 32970 longitudinal submerged-arc welded steel pipes for high pressure service at high temperatures is Q245R.
Application
GB/T 32970 longitudinal submerged-arc welded steel pipes find application in various industries that demand high-pressure and high-temperature service conditions. Some common applications include:
- Oil and gas transportation
- Petrochemical industries
- Power plants
- Boiler systems
Possible Alternative Grades
In addition to the specified Q245R grade, there are several possible alternative grades that can be used in similar applications:
- Q345R
- Q370R
- 16MnDR
- 15CrMoR
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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