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China ASTM A266 Gr.3N Carbon Steel Tubesheet For Heat Exchanger / Pressure Vessel
China ASTM A266 Gr.3N Carbon Steel Tubesheet For Heat Exchanger / Pressure Vessel

  1. China ASTM A266 Gr.3N Carbon Steel Tubesheet For Heat Exchanger / Pressure Vessel
  2. China ASTM A266 Gr.3N Carbon Steel Tubesheet For Heat Exchanger / Pressure Vessel
  3. China ASTM A266 Gr.3N Carbon Steel Tubesheet For Heat Exchanger / Pressure Vessel
  4. China ASTM A266 Gr.3N Carbon Steel Tubesheet For Heat Exchanger / Pressure Vessel

ASTM A266 Gr.3N Carbon Steel Tubesheet For Heat Exchanger / Pressure Vessel

  1. MOQ: 1PC
  2. Price:
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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 TubesheetPressure Vessel Carbon Steel TubesheetHeat 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

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  • 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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