Solder Joints - Pressure Ratings

Solder joints and their pressure ratings according ASME B16.18

Pressure ratings of solder joints according ASME B.16.18:

Solder joints  - pressure ratings diagram

50-50 Tin-Lead

Pressure rating 50-50 tin-lead are indicated in the table below:

TemperaturePipe Dimension (inches)
1/8" - 1"1 1/4" - 2"2 1/2" - 4"5" - 8"
(oF)(oC)Maximum pressure
(psi)(bar)(psi)(bar)(psi)(bar)(psi)(bar)
100 38 200 14 175 12 150 10 135 9
150 66 150 10 125 9 100 7 90 6
200 93 100 7 90 6 75 5 70 5
250 121 85 6 75 5 50 3 45 3

95-5 Tin-Antimony

Pressure rating 95-5 tin-antimony are indicated in the table below:

TemperaturePipe Dimension (inches)
1/8" - 1"1 1/4" - 2"2 1/2" - 4"5" - 8"
(oF)(oC)Maximum pressure
(psi)(bar)(psi)(bar)(psi)(bar)(psi)(bar)
100 38 500 35 400 28 300 21 270 19
150 66 400 28 350 24 275 19 250 17
200 93 300 21 250 17 200 14 180 12
250 121 200 14 175 12 150 10 135 9

Related Topics

  • Pressure Ratings - Pressure ratings of pipes and tubes and their fittings - carbon steel , stainless steel, plastic, copper and more

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