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ASME SA182316L / UNS S31603 / 1.4404 Stainless Steel Tubesheet / Tube Plate
Tubesheet also know as Tube Sheet or Tube Plate,which is to drill a hole slightly larger than the outer diameter of the tube on the circular steel plate. Tubesheets are used for supporting and isolating the tubes in a boiler or heat exchanger.It is a round steel that fixes the tube and seals the medium in the heat exchanger. A fitting that inserts and welds the pipe to fix it. The accuracy of tube sheet processing, especially the tube hole spacing and tube diameter tolerance, verticality, and smoothness greatly affect the assembly and performance of the chemical equipment listed above.
Equivalent Grade of stainless steel 316L
| STANDARD | SS316L |
|---|---|
| WERKSTOFF NR. | 1.4404 / 1.4435 |
| UNS | S31603 |
| JIS | SUS 316L |
| BS | 316S11 / 316S13 |
| GOST | 03Ch17N14M3 / 03Ch17N14M2 |
| AFNOR | Z3CND17‐11‐02 / Z3CND18‐14‐03 |
| EN | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| 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. |
One of the most common heat exchangers in service within industrial
process applications is the “Shell & Tube Heat Exchanger”.
They are available in many shapes, sizes and have been used in
industry for over 150 years. In this exchanger group are various
sub design types: Fixed, U-tube and Floating tubesheet. Variations
of all can be denoted as type “E”, “F”, “G”, “H”, “J”, “K” or “X”.
The main applications are where high pressure/temperatures are key
considerations. Loosely, general designs consist of the or an
outer shell in which resides a tube bundle (these can be configured
as finned, plain etc) sealed at each end by a tube sheet which
isolates the tubes and the outer shell.
Shell & tube heat exchangers have the capability to transfer large amounts of heat at low(er) costs. This, in principle, down to both
design simplicity and effectiveness – large tube surface for reduced weight, volume of liquid and importantly floor space.
Application
Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry and general pipes connecting projects etc.
