YUHONG HOLDING GROUP CO., LTD
| Payment Terms | T/T,L/C |
| Delivery Time | Depends on order quantity |
| Supply Ability | 500 Tons / Month |
| Packaging Details | Wooden case/ Ply-Wooden Cases with Steel Frames |
| Model Number | HEAT EXCHANGER TUBESHEET |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,L/C | Delivery Time | Depends on order quantity |
| Supply Ability | 500 Tons / Month | Packaging Details | Wooden case/ Ply-Wooden Cases with Steel Frames |
| Model Number | HEAT EXCHANGER TUBESHEET | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG | Place of Origin | CHINA |
| High Light | ASME SA336 F5N Tubesheet ，Forged Chrome-Moly Tube Sheet ，High-Temperature Heat Exchanger Tubesheet | ||
The ASME SA336 F5N tubesheet is a forged chrome-molybdenum-vanadium steel component designed for shell-and-tube heat exchangers, pressure vessels, and reactors operating in high-temperature, high-pressure (HPHT), and corrosive service environments. The tubesheet serves as a structural anchor that secures the tube bundle in fixed alignment while maintaining positive separation between shell-side and tube-side fluids.
Manufactured as a forging rather than rolled plate, the SA336 F5N tubesheet offers a refined grain structure and improved mechanical property consistency—particularly critical when the component must withstand differential thermal expansion between tubes and shell, cyclic pressure loading, and aggressive process media.
ASME SA336 F5N is a normalized and tempered 5% chromium-molybdenum-vanadium steel forging, compliant with ASME Boiler and Pressure Vessel Code (BPVC) Section II.
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | -- | 0.15 |
| Manganese (Mn) | 0.30 | 0.60 |
| Silicon (Si) | -- | 0.50 |
| Chromium (Cr) | 4.00 | 6.00 |
| Molybdenum (Mo) | 0.45 | 0.65 |
| Phosphorus (P) | -- | 0.025 |
| Sulfur (S) | -- | 0.025 |
Source: ASME SA336 / SA336M
The 4.0-6.0% chromium content provides oxidation and corrosion resistance at elevated temperatures, while molybdenum (0.45-0.65%) enhances creep strength and resistance to hydrogen attack. The low carbon content (≤0.15%) improves weldability compared to standard F5 grade.
| Property | Value |
|---|---|
| Tensile Strength | 415 - 585 MPa (60 - 85 ksi) |
| Yield Strength (Rp0.2) | ≥ 250 MPa (36 ksi) |
| Elongation | ≥ 20% |
| Modulus of Elasticity | 220 - 228 GPa |
| Density | 7.67 - 7.86 kg/dm³ |
Source: ASME SA336 / SA336M
Heat Treatment: SA336 F5N undergoes normalization (heated to 900-980°C) followed by tempering (650-750°C) to achieve a uniform fine-grained bainite/martensite microstructure with balanced strength, ductility, and resistance to hydrogen-induced cracking (HIC).
Each ASME SA336 F5N tubesheet is subject to inspection and testing protocols per ASME Section VIII and TEMA requirements:
| Test / Inspection | Method | Acceptance Criteria |
|---|---|---|
| Chemical Analysis | ASTM E415 / Optical Emission Spectrometry | Per SA336 composition limits |
| Tensile Testing | ASTM E8 / E8M | 415-585 MPa UTS; ≥250 MPa YS |
| Hardness Testing | Brinell (HBW) per ASTM E10 | 200-250 HBW |
| Impact Testing | Charpy V-notch per ASTM E23 | ≥54 J @ -18°C |
| Ultrasonic Testing (UT) | ASTM A388 / ASME Section V | 100% inspection; no defects exceeding specified limits |
| Hydrostatic Testing | ASME Section VIII | Pressure integrity validated per design code |
| Dimensional Inspection | Per customer drawing & TEMA standards | Hole pattern, pitch, tolerances verified |
Source: ASME Section VIII Div.1, TEMA standards
3.2 inspection certificates can be issued by TPI (Third-Party Inspection) upon request.
ASME SA336 F5N tubesheets are specified for shell-and-tube heat exchangers, waste heat boilers, steam generators, and pressure vessels across the following industries:
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. Jinjiang Factory: Main Products: ... 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. Jinjiang Factory: Main Products: ...
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