| MATERIAL: | Carbon Steel， Stainless Steel， Alloy Steel， Copper Alloy | SIZE: | As Buyer’s Drawing Requirements |
|---|---|---|---|
| U Bend Tube: | 6.35MM ， 9.52MM， 12.7MM ， 15.88MM ， 19.05MM， 20MM， 22，23MM， 25MM， 25.4MM ， 31.75MM， 38.1MM ， 44.45MM， 50.8MM | INSPECTION: | ET， HT， UT ， PMI |
Stainless Steel Heat Exchanger Parts A182 F304 F316L Tubesheet Baffle Plate
Application of baffle plate: Heat exchanger， boiler， pressure vessel， steam burbine， air conditioning.， etc
Function of baffle: Support and fix the tube and shell， heat conductive， corrosive resistant， high pressure
Feature of baffle: High gloss， good tube hole surface quality， high precisive
Material of baffle: Copper， stainless steel， titanium， aluminium， carbon steel， brass， alloy steel.， etc
Production of tube sheet: OEM， ODM available
Quliaty of our tube sheet: Good
Price of our tube sheet: Negotiable
Packing of tube sheet: Wooden box， wooden pallet， solid package suitable for ocean and air transportation.
Delivery: 7-30days
Tube Bundle: The collection of tubes， tube sheets， and baffles is often referred to as the tube bundle. It is the core heat transfer section of the heat exchanger， and it can be removed for maintenance and cleaning purposes.:
| Type of materials | Technical requirements |
| 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 |
| Non Ferrous | |
| 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. |
| Tube Sizes for Heat Exchangers & Condensers & Boiler | |||||||||
| Outside Diameter | BWG | ||||||||
| 25 | 22 | 20 | 18 | 16 | 14 | 12 | 10 | ||
| Wall Thickness mm | |||||||||
| 0.508 | 0.71 | 0.89 | 1.24 | 1.65 | 2.11 | 2.77 | 3.40 | ||
| mm | inch | Weight kg/m | |||||||
| 6.35 | 1/4 | 0.081 | 0.109 | 0.133 | 0.174 | 0.212 | |||
| 9.53 | 3/8 | 0.126 | 0.157 | 0.193 | 0.257 | 0.356 | 0.429 | ||
| 12.7 | 1/2 | 0.214 | 0.263 | 0.356 | 0.457 | 0.612 | 0.754 | ||
| 15.88 | 5/8 | 0.271 | 0.334 | 0.455 | 0.588 | 0.796 | 0.995 | ||
| 19.05 | 3/4 | 0.327 | 0.405 | 0.553 | 0.729 | 0.895 | 1.236 | ||
| 25.4 | 1 | 0.44 | 0.546 | 0.75 | 0.981 | 1.234 | 1.574 | 2.05 | |
| 31.75 | 1 1/4 | 0.554 | 0.688 | 0.947 | 1.244 | 1.574 | 2.014 | 2.641 | |
| 38.1 | 1 1/2 | 0.667 | 0.832 | 1.144 | 1.514 | 1.904 | 2.454 | 3.233 | |
| 44.5 | 1 3/4 | 1.342 | 1.774 | 2.244 | 2.894 | 3.5 | |||
| 50.8 | 2 | 1.549 | 2.034 | 2.574 | 3.334 | 4.03 | |||
| 63.5 | 2 1/2 | 1.949 | 2.554 | 3.244 | 4.214 | 5.13 | |||
| 76.2 | 3 | 2.345 | 3.084 | 3.914 | 5.094 | 6.19 | |||
| 88.9 | 3 1/2 | 2.729 | 3.609 | 4.584 | 5.974 | 7.27 | |||
| 101.6 | 4 | 4.134 | 5.254 | 6.854 | 8.35 | ||||
| 114.3 | 4 1/2 | 4.654 | 5.924 | 7.734 | 9.43 | ||||
Size Range:
| Production | Outside Diameter | Wall Thickness |
| Heat Exchanger Tube | 6.00mm to 101.6mm | 0.5mm to 8mm |
Final Finishing
Solution Annealed & Pickled/Bright Annealed.
Type of Tubes:
U-bend & Straight.
Some of the quality tests carried out by us includes:
| Corrosion Test | Conducted only when specially requested by the client |
| Chemical Analysis | Test done as per required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms， which ensures trouble-free expansion， welding & use at customers end |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage， and biggest pressure we can support 20Mpa/7s . |
| Air Under Pressure Test | To check any evidence of air leakage |
| Visual Inspection | After passivation， every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
Supplementary Testing : Apart from the above mentioned tests， we also carry out on the manufactured products supplementary testing. The tests conducted under this include:
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