ASTM A608 HC30 HD50 HE35 HF30 HH30 High Alloy Steel Pipe Centrifugal Casting
Alloy Seamless Pipe for High Temperature
Material
The ASTM A608 standard covers high alloy steel pipes designed for high-temperature applications. These pipes are manufactured using centrifugal casting techniques, ensuring high integrity and performance under extreme conditions.
Specification
The specification outlines the requirements for the chemical composition, mechanical properties, and manufacturing processes of high alloy steel pipes. These pipes are primarily used in industries such as power generation, petrochemical, and aerospace.
Key Features
- High Temperature Resistance: Designed to withstand extreme temperatures without losing structural integrity.
- Corrosion Resistance: Offers excellent resistance to oxidation and corrosion, enhancing longevity.
- Seamless Construction: Provides uniformity and strength, reducing the risk of failure under pressure.
- Centrifugal Casting: Ensures a dense and homogeneous microstructure, improving mechanical properties.
Chemical Composition
| Grade | C (%) | Cr (%) | Ni (%) | Mo (%) | W (%) | Fe (%) |
| HC30 | 0.30 | 25.0 | 30.0 | 5.0 | 0.5 | Balance |
| HD50 | 0.50 | 20.0 | 35.0 | 4.0 | 1.0 | Balance |
| HE35 | 0.35 | 18.0 | 25.0 | 3.0 | 0.5 | Balance |
| HF30 | 0.30 | 22.0 | 28.0 | 6.0 | 0.5 | Balance |
| HH30 | 0.30 | 30.0 | 20.0 | 2.0 | 0.5 | Balance |
Mechanical Properties
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
| HC30 | 250 | 550 | 30 | 200 |
| HD50 | 300 | 600 | 25 | 220 |
| HE35 | 270 | 580 | 28 | 210 |
| HF30 | 260 | 570 | 30 | 205 |
| HH30 | 280 | 590 | 27 | 215 |
Steel Grade
The ASTM A608 specification includes several grades, each tailored for specific applications and performance requirements. The grades HC30, HD50, HE35, HF30, and HH30 are among the most commonly used.
Application
High alloy steel pipes are utilized in various applications, including:
- Power Generation: Used in boilers and heat exchangers.
- Petrochemical Industry: Ideal for transporting corrosive fluids.
- Aerospace: Employed in high-stress environments requiring lightweight and strong materials.
Possible Alternative Grades
While ASTM A608 grades are highly specialized, alternative grades may be considered based on specific requirements:
- ASTM A335: For seamless ferritic alloy-steel pipes.
- ASTM A312: For stainless steel pipes in high-temperature applications.
- ASTM A789: For duplex stainless steel pipes.
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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