A312 TP316L Pipe MAWP Calculator

ASTM A312 TP316L SS Pipe Smls 16Cr-12Ni-2Mo

Pressure Ratings > Pipe MAWP > A312 TP316L

Material Properties

Specification

A312 TP316L

Description

ASTM A312 TP316L SS Pipe Smls 16Cr-12Ni-2Mo

Tensile Strength

70 ksi

Yield Strength

25 ksi

B16.5 Flange Group

Group 2.3 — Austenitic SS L-Grade

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	5,560	5,560	5,560	5,227	4,928	4,661	4,495	4,295
1/4	0.54	5,376	5,376	5,376	5,054	4,764	4,507	4,346	4,153
3/8	0.675	4,351	4,351	4,351	4,090	3,856	3,647	3,517	3,361
1/2	0.84	4,171	4,171	4,171	3,921	3,697	3,497	3,372	3,222
3/4	1.05	3,401	3,401	3,401	3,198	3,014	2,851	2,750	2,627
1	1.315	3,181	3,181	3,181	2,991	2,819	2,667	2,572	2,457
1 1/4	1.66	2,619	2,619	2,619	2,463	2,321	2,196	2,117	2,023
1 1/2	1.9	2,356	2,356	2,356	2,215	2,088	1,975	1,905	1,820
2	2.375	1,985	1,985	1,985	1,866	1,759	1,664	1,605	1,533
2 1/2	2.875	2,171	2,171	2,171	2,041	1,924	1,820	1,755	1,677
3	3.5	1,885	1,885	1,885	1,772	1,671	1,580	1,524	1,456
3.5	4	1,719	1,719	1,719	1,616	1,524	1,441	1,390	1,328
4	4.5	1,598	1,598	1,598	1,502	1,416	1,340	1,292	1,234
5	5.563	1,401	1,401	1,401	1,317	1,241	1,174	1,132	1,082
6	6.625	1,273	1,273	1,273	1,197	1,128	1,067	1,029	983
7	7.625	1,186	1,186	1,186	1,115	1,051	995	959	916
8	8.625	1,120	1,120	1,120	1,053	993	939	906	865
9	9.625	1,065	1,065	1,065	1,001	944	893	861	823
10	10.75	1,016	1,016	1,016	956	901	852	822	785
12	12.75	878	878	878	825	778	736	709	678
14	14	798	798	798	750	707	669	645	616
16	16	696	696	696	655	617	584	563	538
18	18	618	618	618	581	548	518	499	477
20	20	555	555	555	522	492	465	449	429
22	22	504	504	504	474	447	423	408	389
24	24	462	462	462	434	409	387	373	357
26	26	426	426	426	400	377	357	344	329
28	28	395	395	395	371	350	331	319	305
30	30	369	369	369	346	327	309	298	285
36	36	307	307	307	288	272	257	248	237
42	42	263	263	263	247	233	220	212	203
44	44	251	251	251	236	222	210	203	194
46	46	240	240	240	225	212	201	194	185
48	48	230	230	230	216	203	192	186	177

Custom Wall Thickness

NPS

Wall Thickness (in)

Allowable Stress vs Temperature

Matching Flange Group

Group 2.3 — Austenitic SS L-Grade(A182 F304L/F316L/F317L, A240-304L/316L)

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.