YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 10000 STES / YEAR |
| Delivery Time | 1 - 4 MONTH |
| Packaging Details | WOODEN CASE, Ply-Wooden Cases with Steel Frames |
| Standard | ASTM, ASME, ISO, JIS |
| Material | Gr.2N |
| Key Words | Tubesheet |
| Customization Options | Holes, grooves, slots, etc. |
| Size | Customized |
| Application | Heat exchangers, boilers, condensers |
| Brand Name | YUHONG |
| Model Number | TUBE SHEET |
| Certification | ISO 9001-2015 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 10000 STES / YEAR |
| Delivery Time | 1 - 4 MONTH | Packaging Details | WOODEN CASE, Ply-Wooden Cases with Steel Frames |
| Standard | ASTM, ASME, ISO, JIS | Material | Gr.2N |
| Key Words | Tubesheet | Customization Options | Holes, grooves, slots, etc. |
| Size | Customized | Application | Heat exchangers, boilers, condensers |
| Brand Name | YUHONG | Model Number | TUBE SHEET |
| Certification | ISO 9001-2015 | Place of Origin | CHINA |
| High Light | Gr.2N Heat Exchanger Tubesheet ，ASME Heat Exchanger Tubesheet ，ASME tube sheet for heat exchanger | ||
ASME SA266 Gr.2N Tube Sheet
ASME SA266 Gr.2N carbon steel tube sheet is the preferred material for conventional heat exchangers and boiler equipment due to its economy, easy processing and medium temperature strength. When selecting, it is necessary to strictly evaluate the corrosiveness of the medium and the temperature and pressure conditions, and use protective coatings or upgraded materials when necessary. For high-risk conditions (such as sour oil and gas, seawater cooling), stainless steel or composite plates are recommended to ensure long-term reliability.
Advantages
High cost performance: low cost, suitable for non-corrosive media (such as water, steam, air).
Convenient processing: good machinability and weldability, matching welding material E7018 (AWS A5.1).
High temperature stability: short-term temperature resistance up to 450°C (stable oxide layer).
Limitations
General corrosion resistance:
Not suitable for Cl⁻, H₂S or acidic media (pH <6), need to be upgraded to stainless steel (SA182 F304) or composite plate.
Limited low temperature toughness:
SA350 LF2 (low temperature carbon steel) is required when the design temperature is below -29°C.
| Item | Chemical Req. for ASTM A266, % | ||
| Gr. 1 & 2 | Gr. 3 | Gr. 4 | |
| C | ≤ 0.30 | ≤ 0.35 | ≤ 0.30 |
| Mn | 0.40~1.05 | 0.80~1.35 | 0.80~1.35 |
| P | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| S | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| Si | 0.15~0.35 | 0.15~0.35 | 0.15~0.35 |
| Tensile Requirements | Gr. 1 | Gr. 2 & 4 | Gr. 3 |
| T.S min. ksi [Mpa] | 60~85 [415~585] | 70~95 [485~655] | 75~100 [515~690] |
| Y.S min. ksi [Mpa] | 30 [205] | 36 [250] | 37.5 [260] |
| EL. in 2" or [62.5 mm] min. % | 23 [21] | 20 [18] | 19 [17] |
| R.o.A min. % | 38 | 33 | 30 |
Application:
Heat exchangers and condensers:
Fixed tube sheet heat exchangers (TEMA types NEN, BEM), suitable for refineries and chemical plants.
Desalination multi-effect evaporator (MED) tube sheets.
Boilers and pressure vessels:
Fire tube boiler tube sheet, design pressure ≤5 MPa.
Auxiliary feed water heater (AFWH) of nuclear power plant.
Petrochemical equipment:
Hydrogenation reactor (Hydrotreater) inlet distributor tube sheet.
Sulfur recovery unit (SRU) condenser.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. ... Yuhong Holding Group equipments production base at Jiangsu Jiangyin City, Jinjiang City and Yancheng City. Total production area around 184000 square meters, main products : Heat Exchanger, Condenser, Pressure Vessel , Fired Heater, Economizer, Columns, Reactor. ...
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