ASTM A688 304 Welded Austenitic Stainless Steel Pipe For Feedwater Heater Heat Exchanger
Basic Properties
Place of Origin:
ZheJiang/China
Brand Name:
TORICH
Certification:
ISO9001 ISO14001 TS16949
Model Number:
ASTM A688 304
Trading Properties
Minimum Order Quantity:
1Ton
Price:
Negotiable
Payment Terms:
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:
60000 Ton/Tons per Year
Product Summary
ASTM A688 304 316 304L 316L XM-29 Welded Austenitic Stainless Steel Pipe for Feedwater Heater Heat Exchanger Material, Specification, Key Features ASTM A688 is a standard that outlines the requirements for welded austenitic stainless steel pipes used in feedwater heater heat exchangers. These pipes ...
Product Details
Highlight:
304 Welded Austenitic Stainless Steel Pipe
,ASTM A688 austenitic stainless steel pipe
,Heat Exchanger austenitic stainless steel pipe
Certification:
ISO
Steel Grade:
300 Series,200 Series,400 Series
Application:
Feedwater Heater Heat Exchanger
Type:
Welded
Welding Line Type:
ERW,Spiral Welded
Standard:
ASTM
Product Name:
Stainless Steel Pipe/tube,Stainless Steel Tubing
Material:
200 Series/300 Series/400series
Shape:
U Type
Technique:
Cold Rolled Hot Rolled,Cold Drawing
Grade:
304,316,304L,316L,XM-29,304N,,316N 304LN,,316LN
Name:
Seamless Stainless Steel Tubing,stainless Steel Telescopic Tube,Stainless Steel Circular Corrugated Water Pipe
Product Description
ASTM A688 304 316 304L 316L XM-29 Welded Austenitic Stainless Steel Pipe for Feedwater Heater Heat Exchanger
Material, Specification, Key Features
ASTM A688 is a standard that outlines the requirements for welded austenitic stainless steel pipes used in feedwater heater heat exchangers. These pipes are available in various grades, including 304, 316, 304L, 316L, and XM-29. Each grade offers specific properties suitable for different applications. The key features of these pipes include:
- High corrosion resistance: The stainless steel composition provides excellent resistance to corrosion, ensuring the longevity and reliability of the pipes in harsh environments.
- High temperature resistance: These pipes can withstand elevated temperatures without compromising their structural integrity, making them ideal for heat exchanger applications.
- Durability: The welded construction and high-quality stainless steel material contribute to the pipes' durability, ensuring long-term performance in demanding conditions.
Chemical Composition
The following table presents the chemical composition of the different steel grades used in ASTM A688 pipes:
| Steel Grade | C (%) | Mn (%) | P (%) | S (%) | Si (%) | Cr (%) | Ni (%) | Mo (%) |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18-20 | 8-10.5 | - |
| 316 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16-18 | 10-14 | 2-3 |
| 304L | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 18-20 | 8-12 | - |
| 316L | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 16-18 | 10-14 | 2-3 |
| XM-29 | 0.045 | 1.50 | 0.040 | 0.030 | 1.00 | 16.0-18.0 | 12-14 | 2.0-3.0 |
Mechanical Properties
The mechanical properties of the ASTM A688 stainless steel pipes are summarized in the table below:
| Steel Grade | Tensile Strength (MPa) | Yield Strength (0.2% Offset) (MPa) | Elongation (%) | Hardness (Brinell HB) |
|---|---|---|---|---|
| 304 | 515 | 205 | 35 | 201 |
| 316 | 515 | 205 | 35 | 217 |
| 304L | 485 | 170 | 35 | 201 |
| 316L | 485 | 170 | 35 | 217 |
| XM-29 | 550 | 275 | 25 | 277 |
Steel Grade, Application, Possible Alternative Grades
- Steel Grade: ASTM A688 covers the following steel grades: 304, 316, 304L, 316L, and XM-29.
- Application: These welded austenitic stainless steel pipes are specifically designed for use in feedwater heater heat exchangers. Their corrosion resistance, high temperature resistance, and durability make them well-suited for this critical application, ensuring efficient heat transfer and reliable operation.
- Possible Alternative Grades: Depending on specific requirements, alternative grades such as duplex stainless steels (e.g., 2205, 2507) or nickel alloys (e.g., Alloy 400, Alloy 625) may be considered as substitutes. These alternative grades offer enhanced corrosion resistance or other specialized properties, catering to specific needs in feedwater heater heat exchanger applications.
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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