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Baffle used in Heat Exchangers
Baffles are components of shell and tube heat exchangers which are used to support and fix the tubes in a defined position. The main machining process for baffle plates is drilling. Baffle
plates are thin and are often machined by stacking multiple plates,
so it is necessary to handle stacked plate drilling.ngs.
In heat exchangers, a baffle is a device used to direct the flow of
fluid inside the exchanger. Baffles are typically made of metal and
are placed inside the heat exchanger to create turbulence in the
fluid flow. This turbulence helps to increase the heat transfer
efficiency by promoting mixing and reducing the formation of
boundary layers.
Baffles can come in various shapes and sizes, depending on the
specific requirements of the heat exchanger. They are often placed
perpendicular to the direction of flow to create a zigzag pattern
that forces the fluid to change direction multiple times as it
passes through the exchanger. This increases the contact between
the fluid and the heat transfer surface, leading to improved heat
transfer rates.
Baffles play a crucial role in optimizing the performance of heat
exchangers by enhancing heat transfer efficiency and reducing
pressure drop.
Equivalent Grades:
Material Designation | 1.4541 |
AISI/SAE | 321 |
EN Material Symbol | X6CrNiTi18 10 |
UNS | S 32100 |
AFNOR | Z 6 CNDT 18-10 |
B.S. | 321 S 31, 321 S51, 321 S18; 321 S 12 |
Norm | VdTUEV 454 |
Chemical Composition:
C | Si | Mn | P | S* | Cr | Ni | Ti |
≤0.08 | ≤1 | ≤2 | ≤0,045 | ≤0,015 | 17-19 | 9-12 | 5 x C ≤ 0.7 |
Other Materials
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 |
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. |
Application