Tubu ovali mingħajr saldatura jintuża bħala t-tubu bażi, u t-tubu bil-pinen huwa mdawwar b'mod spirali b'tejp tal-fin tal-aluminju jew tejp tal-pinen tar-ram taħt tensjoni u mdawra sewwa fuq il-wiċċ ta 'barra tat-tubu bażi.
Tubu Finned Ellittiku huwa kkombinat ma 'żewġ materjali differenti
Materjal tat-tubu tal-qalba: azzar tal-karbonju, azzar b'liga baxxa, azzar li ma jissaddadx, ram, ram, liga tar-ram-nikil, bronż tal-aluminju, liga tan-nikil.
Materjal tat-tubu tal-qalba |
Tubi tal-Azzar tal-Karbonju | A179, A192, SA210 Gr A1/C, A106 Gr B, A333 Gr3 Gr6 Gr8, A334 Gr3 Gr6 Gr8, 09CrCuSb, DIN 17175 St35.8 St45.8, EN 10216 P19216 Gr6 Gr8, GB 19216 Gr6 Gr8, 09CrCuSb /T5310 20G 20MnG, |
Tubi tal-Azzar Liga | A209 T1 T1a,A213 T2 T5 T9 T11 T12 T22 T91,A335 P2 P5 P9 P11 P12 P22 P91,EN 10216-2 13CrMo4-5 10CrMo9-10 15NiCuMoNb5-6-4 |
Tubi Stainless Steel | TP304/304L, TP316/TP316L TP310/310S TP347/TP347H |
Tubi tar-ram | UNS12200/UNS14200/UNS70600, CuNi70/30, CuNi 90/10 |
Tubi tat-titanju | B338 Gr 2 |
Materjal tal-pinen: aluminju, ram, azzar
1. Aluminju (Alu.1100, Alu.1060)
2. Ram.
3. Azzar