Equivalencias y Conversiones.

Equivalencias entre diámetros nominales

Sistema Inglés
pulg
1/43/81/23/411 1/41 1/222 1/23456
Sistema Métrico
mm
8101520253240506580100125150

Conversiones

Para convertir
de
aMultiplique
por
Para convertir
de
aMultiplique
por
kg/cm2lbf/in214,223197atmkgf/cm21,033226
kg/cm2bar0,980665atmlbf/in214,695257
kg/cm2Mpa0,0980665atmbar1,0132427
kg/cm2atm0,967842atmMpa0,10132427
kg/cm2m.c.a.10atmm.c.a.10,33226
kg/cm2N/mm20,0980665atmmmHg760
atmN/mm20,10132427
lbf/in2kgf/cm20,07030768
lbf/in2bar0,06894414m.c.a.kgf/cm20,1
lbf/in2Mpa0,00689441m.c.a.lbf/in21,4223197
lbf/in2atm0,0680492m.c.a.bar0,0980665
lbf/in2m.c.a.0,7030768m.c.a.Mpa0,00980665
lbf/in2N/mm20,00689441m.c.a.atm0,0967842
m.c.a.N/mm20,00980665
barkgf/cm21,0197162
barlbf/in214,5044963mmHgatm0,00131579
barMpa0,1
baratm0,9869304N/mm2kgf/cm210,197162
barm.c.a.10,197162N/mm2lbf/in2145,044963
barN/mm20,1N/mm2bar10
N/mm2Mpa1
Mpakgf/cm210,197162N/mm2atm9,869304
Mpalbf/in2145,044963N/mm2m.c.a.101,97162
Mpabar10
Mpaatm9,869304
Mpam.c.a.101,97162
MpaN/mm21
Observaciones: valores aproximados.

Tabla de Roscas - Whitworth Gas

Tabla de Roscas - NPT

DesignaciónHilos por pulgadaAltura del hilo
pulghilos x pulgmm
1/16280.58
1/8280.58
1/4190.86
3/8190.86
1/2141.16
3/4141.16
1111.48
1 1/4111.48
1 1/2111.48
2111.48
2 1/2111.48
3111.48
4111.48
5111.48
6111.48
Ø Nom.Ø Ext.Altura del hiloN° de hilos
por pulgada
pulgmmmmhilos x pulg
1/810.290.7527.00
1/413.721.1318.00
3/817.141.1318.00
1/221.341.4514.00
3/426.671.4514.00
133.401.7711.50
1 1/442.161.7711.50
1 1/248.261.7711.50
260.331.7711.50
2 1/273.032.548.00
388.902.548.00
3 1/2101.602.548.00
4114.302.548.00
5141.302.548.00
6168.282.548.00
8219.082.548.00
10273.052.548.00
12323.852.548.00
14356.602.548.00