ASTM A520 Grade A, Grade B, Grade C High Temperature Steel Pipe
Introduction
ASTM A520 is a specification that covers seamless carbon steel tubular products designed for high-temperature service. These pipes are essential in various industries, including power generation, petrochemical, and oil and gas, where high-temperature and high-pressure conditions are prevalent.
Material
The material used for ASTM A520 pipes is carbon steel, which is known for its strength and durability. The specific grades (A, B, and C) indicate different chemical compositions and mechanical properties, making them suitable for various applications.
Specification
ASTM A520 specifies the requirements for seamless carbon steel pipes intended for high-temperature service. The pipes must meet specific standards for chemical composition, mechanical properties, and manufacturing processes.
Key Features
- High-Temperature Resistance: Designed to withstand elevated temperatures.
- Seamless Construction: Provides uniform strength and eliminates weak points.
- Versatile Applications: Suitable for various industries, including oil and gas, power generation, and chemical processing.
Chemical Composition
| Grade | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Chromium (Cr) | Molybdenum (Mo) |
| A | 0.15 max | 0.30 - 0.60 | 0.035 max | 0.035 max | 0.10 - 0.40 | 0.20 max | 0.10 max |
| B | 0.20 max | 0.30 - 0.60 | 0.035 max | 0.035 max | 0.10 - 0.40 | 0.20 max | 0.10 max |
| C | 0.25 max | 0.30 - 0.60 | 0.035 max | 0.035 max | 0.10 - 0.40 | 0.20 max | 0.10 max |
Mechanical Properties
| Grade | Yield Strength (ksi) | Tensile Strength (ksi) | Elongation (%) | Hardness (HB) |
| A | 30 | 60 - 80 | 20 | 120 max |
| B | 35 | 70 - 90 | 20 | 130 max |
| C | 40 | 80 - 100 | 20 | 140 max |
Steel Grade
The ASTM A520 specification includes three grades:
- Grade A: Suitable for moderate high-temperature applications.
- Grade B: Designed for higher strength requirements.
- Grade C: Offers the highest strength and is suitable for the most demanding applications.
Application
ASTM A520 pipes are widely used in:
- Power plants
- Oil refineries
- Chemical processing plants
- High-temperature industrial applications
Possible Alternative Grades
While ASTM A520 is specifically designed for high-temperature service, alternative grades may include:
- ASTM A106: Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service.
- ASTM A335: Standard Specification for Seamless Ferritic Alloy-Steel Pipe 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.
