Yuhong Group Co.,Ltd
| Delivery Time | Depends on quantity |
| Payment Terms | T/T,L/C |
| Supply Ability | 800 TONS / month |
| Packaging Details | Ply-wooden Case /lron Case/ Woven Bag |
| Model Number | ASME SA240 SS304 Tube Sheet |
| 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
| Delivery Time | Depends on quantity | Payment Terms | T/T,L/C |
| Supply Ability | 800 TONS / month | Packaging Details | Ply-wooden Case /lron Case/ Woven Bag |
| Model Number | ASME SA240 SS304 Tube Sheet | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG | Place of Origin | CHINA |
| High Light | ASME SA240 Heat Exchanger Tube Sheet ，Precision CNC-Drilled Tubesheet ，Corrosion Resistant SS304 Tube Sheet | ||
The tubesheet is a perforated circular plate that secures and aligns the tube bundle while maintaining a pressure-tight barrier between shell-side and tube-side fluids. It is the primary pressure-containing component of a shell-and-tube heat exchanger.
This tubesheet is manufactured from ASME SA240 Type 304 stainless steel (UNS S30400) - the industry-standard austenitic grade offering a balance of corrosion resistance, formability, and weldability. The material provides reliable performance in service temperatures up to 465°C (870°F) in oxidizing environments.
Manufacturing: Precision CNC-drilled and machined per client-supplied TEMA layout drawings (triangular or square pitch), with pass partition grooves and sealing faces machined to specification.
All tubesheets are produced in strict compliance with ASME SA240 / ASTM A240 - no alternative standards are applied.
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.07 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Silicon (Si) | ≤ 0.75 |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 8.0 - 10.5 |
| Nitrogen (N) | ≤ 0.10 |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 515 MPa (75,000 psi) |
| Yield Strength (0.2% offset) | ≥ 205 MPa (30,000 psi) |
| Elongation | ≥ 40% |
| Hardness | ≤ 92 HRB (≤ 201 HBW) |
| Parameter | Range / Tolerance |
|---|---|
| Outer Diameter | Custom, up to 3,000 mm+ |
| Thickness | 25 mm to 150 mm+ (custom available) |
| Tube Hole Diameter Tolerance | +0.05 / -0.00 mm (CNC precision) |
| Hole Pitch | Per TEMA layout (typically 25.4 mm to 31.75 mm) |
| Grooves per Hole | 2 or 3 precision annular grooves |
All tubesheets undergo comprehensive non-destructive examination (NDE) with full material traceability maintained via Mill Test Reports (MTRs).
| Test Method | Purpose | Acceptance Criteria |
|---|---|---|
| Penetrant Testing (PT) | Detects surface discontinuities (cracks, porosity, laps) | ASME SA240 / customer specification |
| Ultrasonic Testing (UT) | Detects subsurface flaws (inclusions, laminations, voids) | ASME SA240 / customer specification |
| PMI (Positive Material Identification) | Verifies alloy composition via XRF | Per material certificate |
| Dimensional Inspection | Verifies hole diameter, pitch, groove depth, surface finish, OD/thickness | Per TEMA layout + customer drawing |
| Visual Inspection | Surface finish, pass partition groove alignment, sealing face condition | Per ASME + TEMA requirements |
PT and UT are performed at 100% inspection rate on critical surfaces.
ASME SA240 SS304 tubesheets are specified for heat exchanger services where tube-side or shell-side fluids are mildly corrosive and chloride concentrations remain low.
Design pressure limit: ≤ 30 bar (~435 psi) for rolled plate construction.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
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...
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