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Brass Pipes - Allowable Pressure vs. Temperature and Size

Allowable pressure for red brass 85% pipes .

Allowable pressure for red brass 85% pipe with threaded ends.

Regular Pipe

Brass Regular Pipes - Allowable Pressure vs. Temperature and Size
Nominal Size (in)	Allowable Pressure (psi)
	Temperature (^oF)
	100	200	300
1/8	370	370	320
1/4	870	870	760
3/8	890	890	780
1/2	900	900	790
3/4	810	810	710
1	630	630	560
1 1/4	690	690	610
1 1/2	630	630	560
2	540	540	480
2 1/2	450	450	390
3	510	510	450
3 1/2	570	570	500
4	510	510	440
5	410	410	360
6	340	340	300

Extra Strong Pipe (XS)

Brass Extra Strong Pipes - Allowable Pressure vs. Temperature and Size
Nominal Size (in)	Allowable Pressure (psi)
	Temperature (^oF)
	100	200	300
1/8	1960	1960	1710
1/4	2210	2210	1930
3/8	1840	1840	1610
1/2	1760	1760	1540
3/4	1510	1510	1320
1	1340	1340	1180
1 1/4	1160	1160	1020
1 1/2	1090	1090	960
2	1000	1000	870
2 1/2	970	970	850
3	910	910	790