AISI 347H Stainless Steel Chemical Composition & Properties, Grade, Charts and PDF Online
AISI 347H or austenitic stainless steel is well known as the one having excellent high-temperature environment resistant. Its chemical composition is composed of chromium, nickel, and columbium, making the material resistant to corrosion, and able to maintain its stability even in extreme and harsh conditions. AISI 347H stainless steel has a higher carbon content than standard 347 stainless steel, therefore has better creep resistant properties when exposed to elevated temperatures. Of course, it is actively used in utilities such as cooling towers, chemical processing equipment, thermal oxidizers, and so on for it is designed to withstand hot temperature exposure even for a very long time. The table, chart and PDF document that are produced will have all the grades, specifications and chemical structure of the material, which makes the job of engineers in the industry easy as they can use the material for tough working conditions while making knowledgeable decisions.
AISI 347H Austenitic Stainless Steel Chemical Composition And Grade Table
AISI 347H is a corrosion-resistant austenitic stainless steel that can stand high temperature conditions. Its chemical composition is included with the essential elements like chromium, nickel, and manganese; thus, they increase its capability to perform optimally in tough conditions. The austenitic stainless steel containing 18% chromium, 10% nickel, and 0.04% carbon, designated AISI 347H, has impeccable resistance to intergranular corrosion and oxidation up to elevated temperatures. This table at grade briefly features its composition with grade specified characteristics, demonstrating its usage potential in places of Chemical Processing, Aerospace Engineering, etc.
| Elements | Fe | Cr | Ni | Mn | Nb | Si | P | S | C |
|---|---|---|---|---|---|---|---|---|---|
| Min (%) | 64.1 | 17 | 9 | - | - | - | 0.04 | - | - |
| Max (%) | 74 | 19 | 13 | 2.0 | 1.0 | 0.75 | 0.1 | 0.045 | 0.030 |
The Advantages and Disadvantages of AISI 347H Austenitic Stainless Steel
High Heat Strength: It also has a strong stability and retains its strength even when exposed to high temperatures.
Oxidation Resistance: Some of the common properties include, it does not easily oxidize or scale when used at high temperatures.
Intergranular Corrosion Resistance: Comes with added feature of containing niobium, which increases its corrosion resistance ability.
Weldability: It is easily weldable and there is minimal formation of intergranular precipitation after welding.
Creep Resistance: Is not subjected to deformation at high stress and temperature.
Advantages:
Higher Cost: Typically more costly as compared to other products owing to its specific formulation.
Work Hardening: It easily tends to harden during the process of its machining operation.
Limited Availability: Less frequent, which may cause issues in procurement processes.
Magnetic Properties: May acquire a low level of magnetization when deformed.
Chloride Sensitivity: Vulnerable to pitting in chloride-containing atmospheres.
Disadvantages:
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Frequently Asked Questions
What is the chemical composition of AISI 347H material?
The AISI 347H stainless steel usually comprises about 17 to 20 percent chromium, 9 to 13 percent nickel, 0. 04-0. It contains around 10% of carbon and reasonable quantities of manganese silicon phosphorus sulfur and iron.
What are the main characteristics of AISI 347H stainless steel?
AISI 347H Stainless steel offers a high level of resistance against oxidation and other forms of corrosion as well as good high temperature strength making it useful in high temperature and corrosive applications.
Can you provide AISI 347H stainless steel specifications online in form of pdf?
Yes, the AISI 347H stainless steel is quite popular among steel manufacturers and industry organizations and most of them offer online documents and PDFs that explain the specification and properties of this material.
What are the uses of AISI 347H stainless Steel?
AISI 347H stainless steel is used for products that are used at high temperatures as heat exchangers, furnace products, and products used in petrochemical industries where the level of heat and corrosion is high.