A312 TP316 Pipe MAWP Calculator

ASTM A312 TP316 SS Pipe Smls 16Cr-12Ni-2Mo

Pressure Ratings > Pipe MAWP > A312 TP316

Material Properties

Specification

A312 TP316

Description

ASTM A312 TP316 SS Pipe Smls 16Cr-12Ni-2Mo

Tensile Strength

75 ksi

Yield Strength

30 ksi

B16.5 Flange Group

Group 2.2 — Austenitic SS 16Cr-12Ni-2Mo

Min Design Temperature

-425 °F

Y Coefficient

Ref 4 — Austenitic steels

Calculator Settings

Corrosion Allowance (in)

Mill Tolerance (%)

Units

Schedule Selection

STDXSXXS10S40S80S2030406080120140160

Temperature Selection

100 °F150 °F200 °F250 °F300 °F350 °F400 °F450 °F500 °F550 °F600 °F650 °F700 °F750 °F800 °F850 °F900 °F950 °F1000 °F1050 °F1100 °F1150 °F1200 °F1250 °F1300 °F1350 °F1400 °F1450 °F1500 °F

Maximum Allowable Working Pressure (psig)

NPS	OD (in)	100 °F	200 °F	300 °F	400 °F	500 °F	600 °F	700 °F	800 °F
1/8	0.405	6,659	6,659	6,659	6,426	5,993	5,660	5,427	5,294
1/4	0.54	6,438	6,438	6,438	6,213	5,794	5,472	5,247	5,118
3/8	0.675	5,210	5,210	5,210	5,028	4,689	4,429	4,246	4,142
1/2	0.84	4,995	4,995	4,995	4,821	4,496	4,246	4,071	3,971
3/4	1.05	4,074	4,074	4,074	3,931	3,666	3,463	3,320	3,238
1	1.315	3,810	3,810	3,810	3,676	3,429	3,238	3,105	3,029
1 1/4	1.66	3,137	3,137	3,137	3,027	2,823	2,666	2,557	2,494
1 1/2	1.9	2,822	2,822	2,822	2,723	2,540	2,399	2,300	2,243
2	2.375	2,377	2,377	2,377	2,294	2,140	2,021	1,938	1,890
2 1/2	2.875	2,600	2,600	2,600	2,509	2,340	2,210	2,119	2,067
3	3.5	2,258	2,258	2,258	2,179	2,032	1,919	1,840	1,795
3.5	4	2,059	2,059	2,059	1,987	1,853	1,750	1,678	1,637
4	4.5	1,914	1,914	1,914	1,847	1,723	1,627	1,560	1,522
5	5.563	1,678	1,678	1,678	1,619	1,510	1,426	1,367	1,334
6	6.625	1,524	1,524	1,524	1,471	1,372	1,296	1,242	1,212
7	7.625	1,421	1,421	1,421	1,371	1,279	1,208	1,158	1,130
8	8.625	1,342	1,342	1,342	1,295	1,208	1,140	1,094	1,067
9	9.625	1,275	1,275	1,275	1,231	1,148	1,084	1,039	1,014
10	10.75	1,217	1,217	1,217	1,175	1,096	1,035	992	968
12	12.75	1,051	1,051	1,051	1,014	946	893	857	836
14	14	955	955	955	922	860	812	779	760
16	16	834	834	834	805	751	709	680	663
18	18	740	740	740	714	666	629	603	588
20	20	665	665	665	642	598	565	542	529
22	22	604	604	604	583	543	513	492	480
24	24	553	553	553	534	498	470	451	440
26	26	510	510	510	492	459	433	416	405
28	28	473	473	473	457	426	402	386	376
30	30	441	441	441	426	397	375	360	351
36	36	367	367	367	354	331	312	299	292
42	42	314	314	314	303	283	267	256	250
44	44	300	300	300	290	270	255	245	239
46	46	287	287	287	277	258	244	234	228
48	48	275	275	275	265	247	234	224	219

Custom Wall Thickness

NPS

Wall Thickness (in)

Allowable Stress vs Temperature

Matching Flange Group

Group 2.2 — Austenitic SS 16Cr-12Ni-2Mo(A182 F316/F316H/F317, A351 CF3M/CF8M/CG8M, A240-316/317)

Disclaimer: This calculator is for guidance only. Results are based on ASME B31.3-2024 allowable stresses for seamless pipe (Ej=1.0, W=1.0). Always verify against the current edition of the standard. The engineer of record is responsible for all design decisions.