Material Standards | |||
Material | Bar Stock a | Forging b | Tubing |
316 S.S | ASTM A276 ASME SA479 | ASTM A182 ASME SA182 | ASME-SA-213 / ASTM-A-213/ ASTM-A-249 / ASTM-A-269/ MIL T-8504 / MIL T-8506 |
Brass | ASTM B16 | ASTM B283 | ASTM-B75 / ASME-SB75 (TMPER "O") |
Alloy 400 | ASTM B164 ASME SB164 | ASTM B564 ASME SB564 | ------- |
Alloy 600 | ASTM B166 ASME SB166 | ASTM B564 ASME SB564 | ASTM-B-163 |
Alloy C-276 | ASTM B574 | ASTM SB564 | ASTM-B-622 / ASTM-B-626 |
Carbon Steel | ASTM A 108 | ------ | SAE J524b / SAE J525b / ASTM-A-179 |
PTFE | ASTM D1710 | ASTM D3293 | ------- |
SAE/MS Pressure Ratings. | ||||
Pressure ratings are from SAE J1926/3 | ||||
SAE/MS Thread Size | 316 SS and Carbon Steel | |||
(Nonpositionable) | (Positionable) | |||
psig | bar | psig | bar | |
5/16-24 | 4568 | 315 | 4568 | 315 |
7/16-20 | ||||
1/2-20 | ||||
9/16-18 | 3926 | 250 | ||
3/4-16 | ||||
7/8-14 | 3926 | 250 | 2900 | 200 |
1 1/16-12 | ||||
1 3/16-12 | 2900 | 200 | 2320 | 160 |
1 5/16-12 | ||||
1 5/8-12 | 2320 | 160 | 1813 | 125 |
1 7/8-12 | ||||
2 1/8-12 | 1813 | 125 | 1450 | 100 |
calculations based on ASME B31.3 code for process piping | |||||||
NPT/ISO Pipe Size in | 316 SS and Carbon Steel | Brass | |||||
Male | Female | Male | Female | ||||
psig | bar | psig | bar | psig | bar | bar | |
1/16 | 11000 | 760 | 6700 | 460 | 5500 | 380 | 230 |
1/8 | 10000 | 690 | 6500 | 440 | 5000 | 340 | 220 |
1/4 | 8000 | 550 | 6600 | 450 | 4000 | 270 | 220 |
3/8 | 7800 | 540 | 5300 | 360 | 3900 | 270 | 180 |
1/2 | 7700 | 530 | 4900 | 330 | 3800 | 260 | 160 |
3/4 | 7300 | 500 | 4600 | 320 | 3600 | 250 | 160 |
1 | 5300 | 370 | 4400 | 300 | 2600 | 180 | 150 |
1 1/4 | 6000 | 410 | 5000 | 350 | 3000 | 200 | 170 |
1 1/2 | 5000 | 340 | 4600 | 310 | 2500 | 170 | 150 |
2 | 3900 | 270 | 3900 | 270 | 1900 | 130 | 130 |
Stress values based on ASME B31.3 code for Process Piping | |||||
Material | Allowable Stress Value | Design Factor | Ultimate Tensile Strength | ||
psi | bar | psig | bar | ||
316 SS | 20000 | 1378 | 3.75:1 | 75000 | 5170 |
Brass | 10000 | 689 | 4:1 | 40000 | 2760 |
Steel | 20000 | 1378 | 3:1 | 60000 | 4140 |