Payment Terms | L/C,T/T |
Delivery Time | 7 DAYS |
Packaging Details | Ply wooden case / Pallet |
Product Name | Forged Tubesheet |
Standard | ASTM A266, ASTM A182, ASME SA182, ASTM A516, ASME SA516, etc |
Material | Alloy steel, stainless steel, carbon steel, copper steel |
Size | can custom, as buyer's drawing requirements |
Shape | Cylinder |
NDT | 100% PT, UT, PMI |
Application | Tubular Heat Exchanger, Boiler, Pressure Vessel, Steam Turbine, Large Central Air Conditioning, etc. |
High Light | ASTM A266 Gr.3N Carbon Steel Tubesheet, Forged Heat Exchanger Tubesheet |
Brand Name | YUHONG |
Model Number | ASTM A266 Gr.3N Carbon Steel Forged Tubesheet |
Certification | ASME II, ASME III, ABS, LR, DNV, GL , BV, CCS, KR, NK, TUV, PED, GOST, ISO , TS |
Place of Origin | CHINA |
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Product Specification
Payment Terms | L/C,T/T | Delivery Time | 7 DAYS |
Packaging Details | Ply wooden case / Pallet | Product Name | Forged Tubesheet |
Standard | ASTM A266, ASTM A182, ASME SA182, ASTM A516, ASME SA516, etc | Material | Alloy steel, stainless steel, carbon steel, copper steel |
Size | can custom, as buyer's drawing requirements | Shape | Cylinder |
NDT | 100% PT, UT, PMI | Application | Tubular Heat Exchanger, Boiler, Pressure Vessel, Steam Turbine, Large Central Air Conditioning, etc. |
High Light | ASTM A266 Gr.3N Carbon Steel Tubesheet, Forged Heat Exchanger Tubesheet | Brand Name | YUHONG |
Model Number | ASTM A266 Gr.3N Carbon Steel Forged Tubesheet | Certification | ASME II, ASME III, ABS, LR, DNV, GL , BV, CCS, KR, NK, TUV, PED, GOST, ISO , TS |
Place of Origin | CHINA | ||
High Light | Gr.3N Carbon Steel Tubesheet ,Pressure Vessel Carbon Steel Tubesheet ,Heat Exchanger Parts ASTM A266 |
ASTM A266 / ASME SA266 Gr.3N Carbon Steel Tubesheet for Pressure Vessel
ASTM A266 carbon steel tubesheet is a component used in heat exchangers, pressure vessels, and boilers. It is a normalized version of ASTM A266 GR.3 carbon steel, which means it undergoes a heat treatment process to improve its mechanical properties and toughness at lower temperatures. GR.3N carbon steel tubesheets can be easily welded and fabricated. They exhibit good weldability, allowing for efficient assembly and construction of heat exchangers and pressure vessels.
Chemical Composition Requirements
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 |
High Strength and Toughness: The normalization process enhances the mechanical properties of ASTM A266 GR.3N carbon steel, resulting in improved strength and toughness. This allows tubesheets made from this material to withstand high-pressure differentials and resist cracking or deformation.
Corrosion Resistance: Carbon steel, including ASTM A266 GR.3N, is susceptible to corrosion in certain environments. To enhance the corrosion resistance of tubesheets, protective coatings or surface treatments can be applied to mitigate the effects of corrosive substances.
Heat Treatment
After forging and before reheating for heat treatment, the forgings in accordance with ASTM A266 shall be cooled in such a manner as to prevent injury and to accomplish transformation. All the ASTM A266 forgings shall be heat treated by one of the four processes: annealing, normalizing, normalizing and tempering, or liquid quenching and tempering. When tempering is performed, it shall be at a subcritical temperature, but no less than 1100°F [595°C].
"N" refers to "Normalization", which is a heat treatment process used to enhance the mechanical properties of the material, such as its strength and toughness. During normalization, the material is heated to a specific temperature, typically above the transformation range, and then cooled in air. This process helps to refine the grain structure, improve uniformity, and relieve internal stresses in the material.
Other Material Grades of Tubesheet
Type of materials | Technical requirements according to |
Duplex Stainless Steel | ASTM/ASME SA182 F44, F45, F51, F53, F55, F60, F61 |
Stainless Steel | ASTM/ASME SA182 F304,304L,F316,316L, F310, F317L, F321, F347 |
Carbon Steel | ASTM/ASME A105, A350 LF1, LF2, A266, A694, A765 Gr.2 |
Alloy Steel | ASTM/ASME SA182 F1, F5, F9, F11, F12, F22, F51, A350-LF3 |
Titanium | ASTM/ASME SB381, Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16 |
Copper Nickel | ASTM/ASME SB151, UNS 70600(Cu-Ni 90/10), 71500(Cu-Ni 70/30) |
Brass, Al-brass | ASTM/ASME SB152 UNS C10100, C10200,C10300,C10800,C12200 |
Nickel Alloys | ASTM/ASME SB169,SB171, SB564, UNS 2200, UNS 4400, UNS 8825 UNS 6600, UNS 6601, UNS 6625 |
Alloy 20 | ASTM/ASME SB472 UNS 8020 |
Hastelloy | ASTM/ASME SB564, UNS10276 ( C 276 ) |
Claded materials | ASTM/ASME SB898, SB263, SB264 or closer explosion cladding, making materials of 2 in 1 or 3 in 1. |
Titanium- Steel, Nickel-Steel,Titanium- Copper, Stainless Steel- Carbon Steel, Alloys- Steel etc. |
Applications
1. Heat Exchangers
2. Boilers
3. Condensers
4. Reactors
5. Oil and Gas Industry
6. Air Conditioning and Refrigeration
7. Pressure Vessels
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 HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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