B622 N10276 Pipe MAWP Calculator

ASTM B622 N10276 (C276) Pipe SMLS 54Ni-16Mo-15Cr, Sol. Ann.

Pressure Ratings > Pipe MAWP > B622 N10276

Material Properties

Specification

B622 N10276

Description

ASTM B622 N10276 (C276) Pipe SMLS 54Ni-16Mo-15Cr, Sol. Ann.

Tensile Strength

100 ksi

Yield Strength

41 ksi

B16.5 Flange Group

Group 3.8 — Ni-Cr-Mo Alloys

Min Design Temperature

-325 °F

Y Coefficient

Ref 5 — Other ductile metals

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 °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	9,090	9,090	9,090	9,090	8,957	8,391	7,991	7,691
1/4	0.54	8,788	8,788	8,788	8,788	8,659	8,112	7,726	7,436
3/8	0.675	7,112	7,112	7,112	7,112	7,008	6,565	6,252	6,018
1/2	0.84	6,819	6,819	6,819	6,819	6,719	6,294	5,995	5,770
3/4	1.05	5,560	5,560	5,560	5,560	5,479	5,133	4,888	4,705
1	1.315	5,200	5,200	5,200	5,200	5,124	4,800	4,572	4,400
1 1/4	1.66	4,282	4,282	4,282	4,282	4,219	3,953	3,764	3,623
1 1/2	1.9	3,852	3,852	3,852	3,852	3,795	3,555	3,386	3,259
2	2.375	3,245	3,245	3,245	3,245	3,198	2,996	2,853	2,746
2 1/2	2.875	3,549	3,549	3,549	3,549	3,497	3,276	3,120	3,003
3	3.5	3,082	3,082	3,082	3,082	3,036	2,844	2,709	2,607
3.5	4	2,810	2,810	2,810	2,810	2,769	2,594	2,471	2,378
4	4.5	2,612	2,612	2,612	2,612	2,574	2,412	2,297	2,211
5	5.563	2,290	2,290	2,290	2,290	2,256	2,114	2,013	1,938
6	6.625	2,081	2,081	2,081	2,081	2,050	1,921	1,829	1,761
7	7.625	1,940	1,940	1,940	1,940	1,911	1,790	1,705	1,641
8	8.625	1,831	1,831	1,831	1,831	1,805	1,691	1,610	1,550
9	9.625	1,741	1,741	1,741	1,741	1,715	1,607	1,530	1,473
10	10.75	1,662	1,662	1,662	1,662	1,637	1,534	1,461	1,406
12	12.75	1,435	1,435	1,435	1,435	1,414	1,324	1,261	1,214
14	14	1,304	1,304	1,304	1,304	1,285	1,204	1,146	1,104
16	16	1,138	1,138	1,138	1,138	1,122	1,051	1,001	963
18	18	1,010	1,010	1,010	1,010	995	932	888	855
20	20	908	908	908	908	894	838	798	768
22	22	824	824	824	824	812	761	725	697
24	24	755	755	755	755	744	697	664	639
26	26	696	696	696	696	686	643	612	589
28	28	646	646	646	646	636	596	568	547
30	30	602	602	602	602	594	556	530	510
36	36	501	501	501	501	494	463	441	424
42	42	429	429	429	429	423	396	377	363
44	44	410	410	410	410	404	378	360	347
46	46	392	392	392	392	386	362	344	331
48	48	375	375	375	375	370	346	330	318

Custom Wall Thickness

NPS

Wall Thickness (in)

Allowable Stress vs Temperature

Matching Flange Group

Group 3.8 — Ni-Cr-Mo Alloys(B462 N10276, B564 N06625, B564 N08825, B462 N06022)

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.