YUHONG HOLDING GROUP CO., LTD
| Material | F11 CL2 |
| Delivery Time | 1 - 4 MONTH |
| Size Range | Customizable |
| Payment Terms | T/T |
| Flange Standard | ANSI B16.5 |
| Flange type | Flange |
| Supply Ability | 300 TONS / MONTH |
| Standard | ASME SA336 |
| Pressure | Class 150# to 2500# |
| Packaging Details | WOODEN CASE, Ply-Wooden Cases with Steel Frames |
| Model Number | ASME SA336 F11 CL2 |
| Certification | ISO 9001-2015 |
| Brand Name | YUHONG |
| Place of Origin | CHINA |
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Product Specification
| Material | F11 CL2 | Delivery Time | 1 - 4 MONTH |
| Size Range | Customizable | Payment Terms | T/T |
| Flange Standard | ANSI B16.5 | Flange type | Flange |
| Supply Ability | 300 TONS / MONTH | Standard | ASME SA336 |
| Pressure | Class 150# to 2500# | Packaging Details | WOODEN CASE, Ply-Wooden Cases with Steel Frames |
| Model Number | ASME SA336 F11 CL2 | Certification | ISO 9001-2015 |
| Brand Name | YUHONG | Place of Origin | CHINA |
| High Light | ASME SA336 F11 CL2 tubesheet ，Chrome Moly alloy steel tubesheet ，Shell and tube heat exchanger tubesheet | ||
ASME SA336 F11 CL2 Stationary Tubesheet |Chrome Moly Alloy Steel for Shell And Tube Heat Exchanger
| Equivalent Standards and Grade Cross-Reference | ||
| Standard System | Grade / Designation | Remarks |
| ASME / ASTM | SA336 / A336 F11 CL2 | This product standard |
| Pipe Material (ASTM) | A335 P11 | Chemically equivalent, pipe form |
| Tube Material (ASTM) | A213 T11 | Small-bore tube equivalent |
| Forging (ASTM) | A182 F11 CL2 | Small forging equivalent |
| UNS | K11597 | Unified numbering system |
| Key Service Limitations | |||
| Limitation | Description | Consequence / Risk | Recommended Alternative |
| Temperature exceeding 595°C (long-term) | Creep strength of F11 is insufficient for long-term service above 595°C | Tubesheet creep deformation, seal failure | Upgrade to F22 (2.25Cr-1Mo) or F91 (9Cr-1Mo-V) |
| Strong oxidizing or reducing acid media | Not suitable for strong corrosive chemical media such as nitric acid, boiling sulfuric acid | High uniform corrosion rate | Upgrade to austenitic stainless steel (304/316) or nickel-based alloy |
| Welding process requirements | Welding of heavy-section forgings requires strict preheating and PWHT control | Welding cold cracking, reduced toughness in HAZ | Strictly implement 150–200°C preheat + ≥650°C tempering |
| Forging size limitation | SA336 is designed for large forgings; smaller sizes may refer to A182 F11 | Cost-ineffective | For small sizes, choose A182 F11 |
| Key Parameters for Content Integration (Data-Driven Persuasion) | |||
| Parameter | Value | Description | Example for Content Integration |
| Maximum service temperature | 595°C (1100°F) | Temperature upper limit constraint | "The maximum continuous service temperature of ASME SA336 F11 CL2 stationary tubesheet is 595°C, maintaining stable mechanical properties in extreme high-temperature services such as hydrotreating reactors and nuclear steam generators." |
| Yield strength (min) | ≥275 MPa (40 ksi) | Design basis strength | "The minimum yield strength of F11 CL2 tubesheet is 275 MPa, providing sufficient design safety margin for 15MPa-class high-pressure heat exchangers." |
| Chromium (Cr) content | 1.00% – 1.50% | Key element for hydrogen corrosion resistance and oxidation resistance | "The chromium content of 1.00%-1.50% gives F11 CL2 tubesheet excellent resistance to hydrogen corrosion in high-temperature hydrogen service, making it the standard material for tubesheets in hydroprocessing units." |
| Tensile strength range | 485 – 660 MPa | Reflects material's load-bearing capacity at high temperatures | "The tensile strength range of F11 CL2 tubesheet is 485–660 MPa, ensuring sufficient strength margin in high-temperature and high-pressure cyclic service conditions in petrochemical hydroprocessing plants." |
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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