DIN 17177 St37.8 St42.8 15Mo3 Electric Resistance Welded Steel Pipe Electric Pressure Pipe For Elevated Temperatures
Material
DIN 17177 is a standard that specifies the requirements for electric resistance welded (ERW) steel pipes used for elevated temperature applications. The pipes are designed to withstand high pressures and temperatures, making them suitable for various industrial applications.
Specification
The standard outlines the specifications for the manufacturing process, dimensions, tolerances, and testing methods for the steel pipes. It ensures that the pipes meet the necessary quality and performance criteria for use in critical applications.
Key Features
- High Strength: Designed to withstand high pressures and temperatures.
- Welded Construction: Electric resistance welding provides a strong and reliable joint.
- Corrosion Resistance: Suitable for various environments, depending on the coating and treatment.
- Versatile Applications: Used in power plants, chemical industries, and other high-temperature applications.
Chemical Composition
| Element |
St37.8 (%) |
St42.8 (%) |
15Mo3 (%) |
| Carbon (C) |
0.17 max |
0.22 max |
0.12-0.20 |
| Manganese (Mn) |
1.20-1.60 |
1.20-1.60 |
0.40-0.70 |
| Phosphorus (P) |
0.035 max |
0.035 max |
0.025 max |
| Sulfur (S) |
0.035 max |
0.035 max |
0.025 max |
| Chromium (Cr) |
- |
- |
0.90-1.20 |
| Molybdenum (Mo) |
- |
- |
0.30-0.50 |
Mechanical Properties
| Property |
St37.8 |
St42.8 |
15Mo3 |
| Yield Strength (MPa) |
235 |
245 |
250 |
| Tensile Strength (MPa) |
360-510 |
360-510 |
400-550 |
| Elongation (%) |
22 min |
22 min |
20 min |
| Hardness (HB) |
140 max |
140 max |
160 max |
Steel Grade
- St37.8: Low carbon steel suitable for moderate temperature applications.
- St42.8: Higher carbon content for improved strength and temperature resistance.
- 15Mo3: Alloy steel with molybdenum, designed for high-temperature applications.
Application
These steel pipes are primarily used in:
- Power generation plants
- Chemical processing industries
- Oil and gas industries
- Boiler and pressure vessel manufacturing
Possible Alternative Grades
- P235GH: Similar properties, suitable for pressure applications.
- P265GH: Higher strength, used in similar applications.
- A106 Grade B: Commonly used for high-temperature service.
TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
credibility among domestic and foreign customers.
The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.
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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DIN 17177 St37.8 Electric Resistance Welded Steel Pipe Electric Pressure Pipe For Elevated Temperatures Images
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