347H stainless steel

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Product information

Grade: 347H
Standard: ASTM A959
‌347H Stainless steel is a high-performance material used in a wide range of applications, especially in high temperature, high pressure and corrosive environments. ‌
347H stainless steel has excellent high temperature and corrosion resistance, suitable for thermal power plants, petrochemical and other fields. Its mechanical properties are stable, easy to process and weld, in high temperature, high pressure and corrosive environment ‌.
Specific application scenarios include:
‌ petrochemical ‌ : used in the manufacture of reactors, heat exchangers, pipelines, storage tanks and other equipment in refineries and petrochemical plants.
‌ electric power engineering ‌ : used in the manufacture of boiler parts, steam turbine parts, heat exchangers, etc.
‌ aerospace ‌ : used in the manufacture of engine parts, fuselage structures, etc.
‌ Nuclear energy engineering ‌ : used to make components and cooling systems inside nuclear reactors.
‌ Heat treatment industry ‌ : used in the manufacture of high temperature stoves and parts, such as heating elements, furnace linings, etc.
‌ manufacturing ‌ : used for the production of various parts and mechanical equipment working in high temperature and corrosive environment, such as valves, pumps, pipelines ‌.
The corrosion resistance of 347H stainless steel is particularly excellent, containing the stabilizing element Nb, which makes it perform well in corrosive media such as acids, alkali and salt, comparable to 18-8 austenitic stainless steel containing Ti ‌.

Product parameter

Chemical composition
‌‌ carbon (C) ‌ : 0.04%-0.10%
‌‌ silicon (Si) ‌ : ≤1.00%
‌‌ manganese (Mn) ‌ : ≤2.00%
‌‌ Phosphorus (P) ‌ : ≤0.045%
‌‌ sulfur (S) ‌ : ≤0.030%
‌‌ Chromium (Cr) ‌ : 17.0% - 19.0%
‌‌ Nickel (Ni) ‌ : 9.0% - 13.0%
‌‌ niobium (Nb) ‌ : 8C-1.00%
Mechanical property
Tensile strength ≥515 MPa, yield strength ≥205 MPa, elongation ≥40%

Product display

COMPANY PROFILE




Shiyu Metal Material Technology Co., Ltd. is a collection of procurement, processing, agent, sales, logistics, warehousing in one of the enterprises, the company has a large-scale spot supply base in China, with domestic and foreign large steel mills and suppliers to maintain good relations of cooperation, with a full range of multi-channel procurement resources.
Shiyu Metal main products: nickel base alloy, Hastelloy, super austenitic stainless steel, duplex stainless steel, cobalt base alloy, pure nickel, titanium and titanium alloy, heat resistant, corrosion resistant alloy and other kinds of steel, a large number of product categories, can meet the size and thickness customization, prefabrication and other diversified needs.
The company has ISO9001 quality certification, the company's product standards include: the United States (UNS) ASTM /ASME, AMS, German DIN/EN, Japan (SUS) JIS and other standards supply, provide the original material certificate. We can supply according to the standards and technical requirements provided by customers to ensure that the goods and specifications are complete to meet the needs of various merchants. From raw materials to finished products, all go through three quality inspection to ensure the qualified rate of finished products. Shiyu Metal strives for perfection in every detail to ensure that the quality of products in different countries and regions around the world can meet international standards. Shiyu Metal has established a good strategic cooperative relationship with the world famous steel mills such as HAYNES, ATI, SPECIALMETALS, VDM, OUTOKUMPU, Japan Metallurgy, Nippon Steel, and Datong Special Steel.
The products supplied by Shiyu Metal are widely used in nuclear power, petrochemical, mechanical engineering, precision processing, aerospace, electronic instruments, medical equipment, automobile manufacturing, environmental protection, wind power application, seawater desalination, shipbuilding industry, paper making machinery, mining engineering, cement manufacturing, metallurgical manufacturing, corrosion resistant environment field, high temperature environment field, mold field, etc. It is a global high-quality supplier of special steel materials.
Shiyu Metal Material Technology Co., Ltd. is committed to the purchase, agent and sales of special steel, and has a perfect special steel sales management system and product quality supervision system. The company has been adhering to the "integrity, innovation, responsibility, win-win" business philosophy, adhere to the "quality first, customer first" service purpose, to provide customers with quality services and high-quality steel products. Shiyu Metal actively participates in the development of domestic steel industry ecology, and is willing to contribute to the development of national special steel.



ENTERPRISE ADVANTAGE




SERVICE

From steel procurement, processing, logistics, warehousing, 
Shiyu Metal has a perfect management system, tailor-made solutions for each customer, strictly control each link, to ensure safe, efficient and accurate product delivery to customers;




RESOURCE

Shiyu Metal maintains good cooperative relations with medium and large steel mills and suppliers at home and abroad, 

and has established good strategic cooperative relations with world famous steel mills such as the United States, Germany, Finland and Jap.




SCALE

Shiyu Metal set procurement, processing, agency, sales, logistics, 

warehousing in one, can provide customers with steel products procurement, processing, logistics and other one-stop services.




PRODUCT

Shiyu Metal operates a wide range of steel products, can provide customers with product size and width customization, prefabrication and other services, perfect product quality supervision system, to ensure high standards of product quality, high quality.

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