YUHONG HOLDING GROUP CO., LTD
| Material | ASME SA-266 Gr.2 N |
| Delivery State | Fully forged, normalized, and precision machined |
| Delivery Time | 5-10 days |
| Payment Terms | L/C,T/T |
| Certificate | EN10204 3.1/3.2 |
| Size | O.D. 870 MM X THK 33 MM |
| Supply Ability | 400 Tons/ month |
| Name | Tubesheet |
| Heat treament | Normalized Carbon Steel |
| Packaging Details | Ply-wooden Case /Iron Case |
| Model Number | Tubesheet |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG |
| Place of Origin | CN |
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Product Specification
| Material | ASME SA-266 Gr.2 N | Delivery State | Fully forged, normalized, and precision machined |
| Delivery Time | 5-10 days | Payment Terms | L/C,T/T |
| Certificate | EN10204 3.1/3.2 | Size | O.D. 870 MM X THK 33 MM |
| Supply Ability | 400 Tons/ month | Name | Tubesheet |
| Heat treament | Normalized Carbon Steel | Packaging Details | Ply-wooden Case /Iron Case |
| Model Number | Tubesheet | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG | Place of Origin | CN |
| High Light | ASME SA-266 Gr.2 N Tubesheet ，Industrial heat exchanger flange ，Shell and tube heat exchanger tubesheet | ||
ASME SA-266 Gr.2 N Tubesheet and Flange for Industrial Shell and Tube heat exchanger
This set of core pressure-retaining components is engineered and manufactured strictly in accordance with ASME Section VIII Division 1 codes and TEMA standards, providing exceptional sealing integrity and structural support for heavy-duty industrial shell and tube heat exchanger applications. Serving as vital replacement parts for high-severity environments in petrochemical refining, gas processing, and power generation condenser systems, these components align seamlessly with precision team heat exchanger manufacturing workflows. They are designed to withstand high-temperature thermal cycling and high-pressure differentials, eliminating the risk of inter-pass fluid cross-contamination or external leakage.
Structured Technical Parameters-ASME SA-266 Gr.2 N Tubesheet and Flange for Industrial Shell and Tube heat exchanger
Buyer Search Attribute High-Value Specifications for Sourcing
Shell and tube heat exchanger parts, team heat exchanger tubesheet
Standard & Grade: ASME SA-266 Grade 2 N (Forgings), ASME SA-36 (Plates)
Main Dimensions: Nominal I.D. 584.2 mm (Fits standard 24" shell size), O.D. 770 mm
Drilling Layout: 396 Holes on 25.4 mm Triangular Pitch
Bolting Standard: B.C.D. 705 mm matching 1-1/8"-8UN Stud Bolts (Standard ASME flange layout)
Core Components: Front/Rear Tubesheet, Tube Side Flange, Custom Baffle Plates
Material Specification-ASME SA-266 Gr.2 N Tubesheet and Flange for Industrial Shell and Tube heat exchanger
Front Tube Side Flange
ASME Material Code: ASME SA-266 Gr.2 N (Forged Carbon Steel)
Delivery State: Fully forged, normalized, and precision machined.
Rear Tube Side Flange
ASME Material Code: ASME SA-266 Gr.2 N (Forged Carbon Steel)
Delivery State: CNC-machined, with bolt holes designed to straddle the normal horizontal and vertical centerlines.
Front / Rear Tubesheet
ASME Material Code: ASME SA-266 Gr.2 N
Delivery State: High-density forged blank, multi-spindle drilled, with a machined pass partition groove.
Segmental Baffle Plates
ASME Material Code: ASME SA-36 (Carbon Steel Plate)
Delivery State: Hot-rolled plate, 8mm thickness, deburred and chamfered tube hole entries, 24 Nos per package.
Quality Assurance & Testing--ASME SA-266 Gr.2 N Tubesheet and Flange for Industrial Shell and Tube heat exchanger
Full Traceability & Heat Treatment Verification: All ASME SA-266 Gr.2 N forgings are accompanied by EN10204 3.1/3.2 Mill Test Certificates (MTC) detailing complete ladle analysis and mechanical property tests. Forgings undergo a 100% normalization heat treatment to achieve a uniform, fine-grained ferrite-pearlite microstructure for maximum impact toughness and creep resistance.
Non-Destructive Testing (NDT Standards): In accordance with ASME Section V requirements, all raw forgings undergo 100% Ultrasonic Testing (UT) to verify the absence of internal voids, laminations, or inclusions. High-stress regions, sealing surfaces, and thread roots undergo 100% Magnetic Particle Testing (MT) or Liquid Penetrant Testing (PT) to guarantee zero surface cracks.
Dimensional Metrology Verification: Coordinate Measuring Machines (CMM) inspect the pitch-to-pitch distances of the 396 tube holes and the alignment of the 705mm B.C.D. bolt circle, securing a stress-free fit-up with shell flanges and tube bundles during final shop fabrication.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
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