E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
Nov. 29, 2024
1. Carbon Steel
Features:
High strength and low cost.
Good weldability and machinability.
Good wear resistance, but poor corrosion resistance.
Applicable occasions:
Used in high-pressure piping systems in low-corrosive environments.
Transportation of non-corrosive media such as oil, natural gas, steam, etc.
Common grades:
ASTM A105 (forgings)
ASTM A106 (seamless pipes)
2. Stainless Steel
Features:
Excellent corrosion resistance, especially in acidic or alkaline environments.
High strength, high temperature resistance, and strong oxidation resistance.
High cost and more difficult to process than carbon steel.
Applicable occasions:
Corrosive environments such as chemical, marine, and food processing.
High-pressure systems that require sanitary standards or extreme temperature conditions.
Common grades:
304 (conventional corrosion resistance)
316 (marine environment, chemical industry)
321 (high temperature environment)
3. Alloy Steel
Features:
By adding alloying elements (such as chromium, molybdenum, nickel, etc.), the strength, wear resistance and high temperature resistance are improved.
It has high fatigue strength and pressure resistance.
Corrosion resistance is between carbon steel and stainless steel, and varies according to the alloy content.
Applicable occasions:
High pressure and high temperature environment, such as boilers, pressure vessels, petrochemical equipment.
Applications that need to withstand high mechanical loads.
Common grades:
ASTM A182 F22 (low alloy)
ASTM A335 P91 (high temperature alloy)
Material selection principles
Working pressure and temperature:
Carbon steel is suitable for medium and low temperature environments; stainless steel and alloy steel are suitable for high temperature and high pressure occasions.
Medium characteristics:
Corrosive media require stainless steel or specific alloy steel; carbon steel is suitable for non-corrosive media.
Economical:
Carbon steel has the lowest cost, but the maintenance cost is high for long-term use in corrosive environments. Comprehensive consideration based on specific application scenarios.
According to actual working conditions, reasonable selection of materials can ensure the safety and service life of high-pressure accessories while reducing overall operating costs.
Latest News
Industry News
Jun. 22, 2026
Introduction to Alloy Steel SO Neck Slip-on Flange: As the name suggests, the Alloy Steel SO Neck Slip-on Flange is a slip-on flange or flange plate made of alloy steel. It belongs to the category of neck slip-on flanges. Alloy Steel SO Neck Slip-on Flanges are aesthetically pleasing, have a smooth and flat surface, are resistant to acids and alkalis, corrosion-resistant, and have strong performance characteristics. The English designation for neck slip-on flanges is SO.
Industry News
Jun. 18, 2026
Carbon steel elbow fabrication
Cangzhou Aosendike Pipe Fittings Manufacturing Co., Ltd. will guide you through information on carbon steel elbow manufacturing. Elbows are a common pipe fitting in piping systems, and a large number of fittings are used at bends. The main function of elbows is to control and maintain pipelines. Control of components such as steering wheels, engines, and gearboxes is primarily achieved through the steering wheel. Because elbows are mostly made of steel, their surfaces are smooth and bright, giving them good wear resistance. Elbows used in piping systems are for turning and are irreversible fittings. They constitute a large proportion of piping systems. Elbow
Industry News
Jun. 16, 2026
Why do different projects have different requirements for elbow wall thickness?
In industrial piping systems, elbows are crucial fittings for fluid diversion. Many buyers frequently encounter varying wall thickness requirements when requesting quotes, such as SCH20, SCH40, SCH80, and even SCH160. Many ask: why do different projects have such different wall thickness requirements for carbon steel elbows?
Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
FAQ
What certifications do your products have?
Our products comply with international standards such as ASTM, ANSI, JIS, DIN, and GB. We also hold various certifications to assure quality and reliability, including ISO 9001.
How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru, USA, Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.)
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Our team at Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
You Can Contact Us in the Following Ways
authentic013@steelpipes-fitting.com
+86 13668807131
Donghe Industrial Zone, Mengcun County, Cangzhou City, Hebei Province
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