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ASME SA336 F5 Tube Sheet ofr High Pressure Heat Exchangers
Tube Sheet ASME SA336 F5 (5Cr-0.5Mo)
Yuhong Group — leading supplier of heat exchange equipment, pressure vessels, and air-cooled condensers. The company specializes in comprehensive supply solutions for the oil & gas, power generation, and chemical industries, ensuring high product quality and strict compliance with international standards.
The Tube Sheet made of ASME SA336 F5 alloy steel (5Cr-0.5Mo) is a high-strength component designed for operation under extreme temperatures and pressures. The material offers excellent resistance to hydrogen corrosion, oxidation, and sulfidation, making it an ideal choice for oil refineries, hydrocracking units, steam generators, and chemical plants. The products are manufactured by forging, followed by normalizing and tempering, ensuring a uniform microstructure and high mechanical properties.
Chemical Requirements
Element
C
Mn
Si
Cr
Mo
P
S
Composition, %
≤0.15
0.30-0.60
≤0.50
4.0-6.0
0.45-0.65
≤0.025
≤0.025
Tensile and Hardness Requirements
Parameter
Yelid Strength (Rp0.2)
Tensile Strength (Rm)
Elongation (A)
Reduction in cross section of fracture (Z)
Hardness (HBW)
Impact Toughness (KV)
Value
≥ 250 MPa
415 - 585 MPa
≥ 20%
≥ 40%
≤ 342
41 J
Material Advantages
Resistance to Hydrogen Service: Chromium and molybdenum alloying provides resistance to high-temperature hydrogen corrosion and hydrogen embrittlement, extending the service life of the equipment.
High-Temperature Strength: Maintains mechanical properties during long-term operation at temperatures up to 600 ℃, preventing creep deformation of the tube sheet.
Weldability: The optimized chemical composition allows the use of standard welding procedures with preheating and post-weld heat treatment (PWHT), ensuring reliable welded joints with the shell.
Uniform Structure: Manufacturing by forging followed by heat treatment guarantees the absence of internal defects and stability of properties across the entire cross-section.
Application
Petroleum refining industry (hydrocracking reactors, hydrotreating units, catalytic reforming units)
Petrochemical production (high-temperature heat exchangers, pressure vessels)
Power engineering (steam generators, heat recovery steam generators)
Hydrogen and synthesis gas production equipment
Any heat exchange equipment operating in hydrogen sulfide and hydrogen-containing environments
Custom Solutions and Quality Control
We offer a full-cycle production of tube sheets according to customer drawings. We manufacture products by stamping or forging, followed by high-precision machining (hole drilling in compliance with TEMA standars)
Product quality is confirmed by:
100% ultrasonic testing (UT) and penetrant testing (PT)
Certification according to ASME, PED 2014/68 - EN, GOST standards and the option of third-party inspection (TPI)
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
