Shandong Laiduan Machinery Co.,ltd

Shandong Laiduan Machinery Co.,ltd  


Con:Jun Li


Tel:(86)634 6512388

Fax:(86)634 6512388

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Deep Hole Drilled for Disc Forgings and Forged Ring Flange
Aug 03, 2017

Basic Info

  • Model NO.: LST-forgings

  • Type: Threaded Connection Flange

  • Structure: Round

  • Sealing Surface: Rust-Proof Oil

  • Model No: Steel Tube Sheet

  • Heat Treatment: N+Q&T+Annealing

  • Size & Material: Customized Steel or Alloys

  • Smothness: 1.6

  • Certification: SGS, ISO 9001:2008

  • Transport Package: Wooden or Pallet or Customized

  • Origin: Changzhou

  • Standard: GB, ISO 9001:2008

  • Material: Carbon Steel

  • Connection: Tube to Tube Sheet

  • Manufacturing Way: Forging

  • Melding Technics: Hot Forging

  • Surfacing Treatment: Overlay+Machining+Drilling

  • Forging Tolerance: +/-0.5mm

  • Test Standard: GB + Ut Test + Mtc

  • Trademark: LST tubesheets

  • Specification: ASTM B265-Gr. 2

  • HS Code: 73072100

Product Description

LST Company info

 We are pleased to introduce ourselves as one of the machinist and CNC deep hole drilling professional manufacture of china  .Changzhou LST Machinery co,ltd company was established in 2008 and has since then has become the leading player in precision engineered components and the supply of Tube Sheets and Heat Exchanger Plates, forged flange and rolled tube Heat Exchanger Plates, primarily for use in the heat exchanger industry, pressure vessels of petroleum, chemistry and boiler, power station equipments; forgings and flanges for ship building and machinery manufacturing, as well as other forging products. 
  In addition to offering top quality Precision Engineered Components, Tube Sheets and Heat Exchanger Plates, our engineer will offer suitable solutions ,capable of advising and assessing customer's individual needs.sincerely expect  to enter a long&perfect business relationship with customers from all over the world.Welcome!

  At your service:Moblie &:+8613196733001
                              Linked & Facebook&Twitter:Tubesheet Tina

LST Product Description


Flange Surface :Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer, hot-dipped Galvanized, electrical                                       galvanized 

Technical:  Forged, Casting
Flange Heat Treatment:  Normalizing, Annealing, Quenching+Tempering
Material:  We use CNC machining equipments to produce many kinds of tube plates, mainly focused on Nickel alloy, Monel, Hastelloy, Titanium, Aluminum, Stainless steel and copper alloy tube plates, the tube shapes include round, oval, square, inclined and special ones, with the hole dimension accuracy to 0.01mm, hole wall roughness Ra0.6, and the tube plate's sealing side roughness Ra0.4. The accuracy of positioning of the holes can reach 0.002mm, and the hole dimension can be any of that above 1mm.     Size:   Customized (6,000 x20,000mm, thickness 800mm)
Chemical composition:

B265 -Gr.2≤0.030≤0.30≤0.1≤0.015≤0.025≤0.30≤0.05 

Pressure:    150 300 400 600 900 1500 and 2500  pn: 6 10 16 64 and 160,5K-40K
Standard:    HG20592-20614/HG20615   JB4703/JB4721     SH3406
Foreign Standard:    ASME B16.5 /ASME B16.47/ASTM B16.36/ASTM B16.48/DIN/BS/JIS/KS
Flanged Tubesheet Applications :Water works,Heat exchanger ,Pressure vessels,Condenser,Boiler,       Shipbuilding industry, Petrochemical & Gas industry, Power   industry, Valve  industry,and general pipes connecting projects etc.
Packing: As Customers' Requirements(wooden or pallet)
Lst tubesheet:

Company  Introduction



1.2 LST  Main Facilities 
Name & DescriptionQuantity
Double-Column CNC Horizontal Deep Hole Drilling Machine1
CNC Gantry Mchining Center1
High Speed CNC Deep Hole Drilling Machine2
Vertical Lathe2
Horizontal Lathe5
Radial Drilling Machine20
CNC Boring & Milling Machine2
Sawing Machine1
Cutting Machine 1
Gear Shaping Machine2

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