The list herebelow elencates the changes done on the MT-COMP program since the last main revision (3.1.0):

MT-COMP Revision 3.1.3 (June 2007)
1.Material Data Base. The following materials have been added to data base (3.1.1):
  • SA 240-S32750 20461/2006
  • SA 182 F53-S32750 20413/2006
  • SA 537 CL1-K12437 20471/2006
  • SA 213 TP304L(G5)-S30403 20105/2006
  • SA 213 TP304(G5)-S30400 20115/2006
  • SA 213 TP316L(G5)-S31603 20125/2006
  • SA 213 TP316(G5)-S31600 20135/2006
  • SA 213 TP321H(G5)-S32109 20145/2006
  • SA 213 TP321(G5)-S32100 20155/2006
  • SA 213 TP347H(G5)-S34709 20165/2006
  • SA 304L(G5)-S30403 20481/2006
  • SA 240 304(G5)-S30400 20491/2006
  • SA 240310S(G5)-S31008 20501/2006
  • SA 240 316L(G5)-S31603 20511/2006
  • SA 240 316(G5)-S31600 20521/2006
  • SA 240 316Ti(G5)-S31635 20531/2006
  • SA 240 321(G5)-S32100 20541/2006
  • SA 240 347(G5)-S34700 20551/2006
  • SA 240(G5)-S31254 20561/2006
  • SA 182 F304L(G5)-S30403 20143/2006
  • SA 182 F304(G5)-S30400 20153/2006
  • SA 182 F310(G5)-S31000 20293/2006
  • SA 182 F316L(G5)-S31603 20163/2006
  • SA 182 F316(G5)-S31600 20173/2006
  • SA 182 F321H(G5)-S32109 20183/2006
  • SA 182 F321(G5)-S32100 20193/2006
  • SA 182 F347H(G5)-S34709 20203/2006
  • SA 249 TP316L(G5)-S31603 20185/2006
  • SA 249 TP304L(G5)-S30403 20195/2006
  • SA 312 TP304L(G5)-S30403 20042/2006
  • SA 312 TP304(G5)-S30400 20062/2006
  • SA 312 TP316L(G5)-S31603 20082/2006
  • SA 312 TP316(G5)-S31600 20102/2006
  • SA 312 TP321H(G5)-S32109 20112/2006
  • SA 312 TP347H(G5)-S34709 20122/2006
  • SA 336 F316L-S31603 20223/2006
  • SA 336 F316L(G5)-S31603 20233/2006
  • SA 336 F316-S31600 20363/2006
  • SA 336 F316(G5)-S31600 20373/2006
  • SA 336 F304L-S30403 20383/2006
  • SA 336 F304L(G5)-S30403 20423/2006
  • SA 336 F304-S30400 20433/2006
  • SA 336 F304(G5)-S30400 20443/2006
  • SA 336 F321(G5)-S32100 20463/2006
  • SA 213 TP310MoLN-S31050 20435/2006
  • SA 213 TP310MoLN(G5)-S31050 20445/2006
  • SA 336 F304N-S30451 20453/2006
  • SB 709-N08028 29661/2006
    • (3.1.3)
  • SB 709(G5)-N08028 29681/2006
    • (3.1.3)
  • EN 10028-7-X5CrNiMo17122 70041/2000
    • (3.1.4)
  • EN 10028-7-X5CrNi18-10 70011/2000
    • (3.1.4)
    Note. The materials with (G5) have the allowable stresses increased according to the note (G5) of Table 1A of ASME II-Part D.
    2.Nozzles For selfreinforcing nozzles the value of L1 in the compensation area as been corrected according to the sketch (e-1) and (e-2) in FIG.UG-40.(3.1.1)
    3. Flanges The MAWP calculation for girth flanges according to VSR code has been fixed. The calculation did not converge for values of g1/go > 5. (3.1.1)
    4. Stresses. The allowable stresses calculation with allowable forced from input has been fixed. The calculation was in error for materials with allowables depending on the thickness when the calculated thickness was greater than the first limit thickness. (3.1.1)
    5. Exchanger Tubes The type of thickness of the exchanger tubes has been added to the program (AW-Average Wall / MW-Minimum Wall). For MW thickness, the weight of the tube bundle is increased by 10% for ferrous materials and by 5% for non ferrous materials.(3.1.1)
    6. Flanges The calculation of the hydraulic test pressure for girth flanges and floating flange has been modified in order to take into account all the elements of the flange (flange, shell, bolts)..(3.1.1)
    7. Nozzles The value of Lm for selfreinforcing nozzle in the compensation according to ASME has been fixed. The value forced from input (Lo) was not congruent with the calculated value. (3.1.1)
    8. Formed Heads. The calculation of the formed heads in check according to ASME has been fixed. The program did not keep the specified thickness when less than the TEMA minimum.(3.1.1)
    9. Flanges. A control has been added to the calculation of the girth flanges in check to verify that the distance between the bolts circle diameter and the hub greater outside diameter be enough to allocate the nuts. (3.1.1)
    10. Audit Report. The MT-COMP_Print_Manager has been added to the program.
    This new function allows to collect more than one component calculated by the program MT-COMP in order to get a complete Audit Report Book. The Print_Manager is launched from the auxiliary programs in the MT-COMP group of programs. (3.1.2)
    11. Floating Head. The module of the floating head has been fixed. When the gasket was overloaded and the width of the gasket greater than the standard value, the inside diameter of the flange was wrong. (3.1.2)
    12. Nozzles. The values of WL1 and WL2 in the nozzles welding analysis have been multiplied by the exact value 0.5*(2^0.5). The previous value was rounded to 0.7. (3.1.2)
    13. Nozzles. The nozzle allowable stress in the datasheet page of the nozzle compensation has been corrected. (3.1.2)
    14. Expansion Joint. The inside diameter of the expansion joint in the tubesheet calculation has been fixed. The diameter was considered always corroded also in non corroded conditions. (3.1.2)
    15. Nozzles. The opening compensation for VSR code has been updated in agreement to the para VSR.1.K.6.For welding angle lower than 45° the allowable stress of the nozzle is multiplied by the nozzle joint efficiency. (3.1.2)
    16. Nozzles. The double value of joint efficiency (wall / nozzle) has been added to the calculation of the nozzles subroutine. (3.1.2)
    17. Nozzles. The area A1 in the calculation of opening compensation has been fixed.The value in some cases was wrong when the required diameter of the reinforcing pad was bigger then the allowed limit. (3.1.2)
    18. Tubesheet. The tubesheet calculation has been fixed. The tubesheet outside diameter forced in input was overwritten during the calculation. (3.1.2)
    19. Nozzles. The calculation of the nozzles compensation according to ASME has been fixed. For nozzles with circumpherential inclination in some cases the calculation was in loop. (3.1.2)
    20. Flanges Database. The archive for flanges LWN 2" ASA #300 has been fixed. The diameter and thickness have been updated from the "Catalogo FERRARI" (3.1.2)
    21. Floating Head. The calculation of the floating flange in check has been fixed. In case of cladding gasket face the thicknes for the check was wrong. (3.1.2)
    22. Flanges Database. The Metric Tables for pipes and flanges have been added to the archive.The values have been taken from:
  • B36.10M pipes C.S.
  • B36.19M pipes S.S.
  • B16.5M flanges from 1" to 24"
    • ·
    For flanges diameters greater than 24" the values from B16.47 have been kept. (3.1.2)
    23. Local Loads. A check has been added to the calculation of nozzles local loads on spherical heads according to PD5500 when the value of the absissa is out of the curve limits. (3.1.2)
    24. Flat Heads. The calculation of the flat flanged heads module according to the code EN 13445 has been added to the program. (3.1.3)
    25. Floating Heads. The calculation of the floating head module according to the code EN 13445 has been added to the program. (3.1.3)
    26. Nozzles. A warning message has been added to alert the user when, in the calculation of the nozzles, the calculated thicknesses of the wall have been missed. (3.1.3)
    27. Nozzles. The effective thickness of the nozzle in the analysis of compensation for the codes VSR and EN 13445 has been updated. When the thickness of the nozzle is in excess of the one read from VSR Fig.1.K.2.1 or from EN 13445 Fig. 9.4-14 then the analysis is performed at the maximum allowed thickness and a warning message is sent to the user. (3.1.3)
    28. Flanges. The analysis of the gasket overloading in the calculation of the girth flanges according to VSR / ASME / EN 13445 codes has been updated. An optional code has been added in input to allow the user to select if the analysis must be done or not. Moreover the analysis has been restricted to flat contacting surfaces (raised face).
    (Reference is done to VSR.1.U.3.3 and Taylor Forge Bulletin 502 for what concerns ASME and EN 13445 codes) (3.1.3)
    29. Stffening Rings. The flat stiffening ring #80x10 has been added to the stiffening rings database. (3.1.3)
    30. Nozzles. The calculation of the reinforcing pad diameter has been fixed for the codes VSR / EN 13445 / AD-MERKBLATT. (3.1.3)
    31. Nozzles. The nozzles calculation module has been corrected. In case of more than one nozzle, sometime, only the last nozzle was written in the calculation datasheet. (3.1.3)
    32. Tubesheet. The calculation of the tubesheet module according to the code EN 13445 has been added to the program. (3.1.4)
    33. Expansion Joint. The calculation of the expansion joint module according to the code EN 13445 has been added to the program.(3.1.4)
    34. Tubes of Bundle. The calculation of the tubes of the bundle module according to the code EN 13445 has been added to the program..(3.1.4)
    35. Tubes of Bundle. The calculation of the tubes of the bundle module according to the code EN 13445 has been added to the program..(3.1.4)
    36. Tubesheets. The calculation of Young modules of the shell and channel for tubesheets according to ASME-UHX has been fixed. The calculation is now done at the design temperature of the shell and channel, respectively. (3.1.4)
    37. Materials The values of the Young module of the material SA 516 Gr.70 have been changed with the values related to "Carbon <= 30%"(3.1.4)
    38. Tubesheets The length of the tubes between the inner surfaces of the tubesheets in the tubesheets calculation according to ASME-UHX has been fixed to take into account the tubesheet corrosion shell side.(3.1.4)
    39. Floating Head The floating head module has been fixed. For calculation in check the cover lining was not managed correctly..(3.1.4)
    40. Messages The warning message U0102 has been fixed. The temperatures referred in the message are in °C and not in °F..(3.1.4)
    41. Floating Head The option "Gasket overloading" has been added to the calculation of the floating head flange.(3.1.4)
    42. Cones The calculation of the cones to external pressure according to ISPESL-VSR has been revised. In check calculation the values of the stiffening rings specified in input were not taken into consideration for the check of the stiffening rings and for the check of the junction cone-cylinder.(3.1.4)
    43. Nozzles The rating of the nozzles instruments has been fixed. The rating was not modified in function of the unification specified.(3.1.4)
    44. Expansion Joint The formulas S3 / S4 in the calculation of the expansion joint according to ASME App.26 have been fixed. The value of the wave height (w) was wrong.(3.1.4)
    45. ASCII Report The printout of the warning messages on the tabular report has been extended over 20 message.(3.1.4)
    46. ASCII Report The printout of the nozzle nominal diameter in the nozzles module has been fixed. The reprinted values were referred to the last nozzle specified(3.1.4)