Narrow Parallel Flange Beams (NPB) — weight chart

All 70 sections from IS 808 Table 3 - Narrow Parallel Flange Beams. Click a designation for the full property table and the cross-section drawn to its own dimensions.

Narrow Parallel Flange Beams (NPB): mass and section properties
Designation	Weightkg/m	Areacm²	Depthmm	Widthmm	Webmm	Flangemm	Izzcm⁴	Zzzcm³
NPB 100 × 55	8.1	10.3	100	55	4.1	5.7	171	34.2
NPB 120 × 60	10.37	13.2	120	64	4.4	6.3	317	52.9
NPB 140 × 70	12.89	16.4	140	73	4.7	6.9	541	77.3
NPB 160 × 80	15.77	20	160	82	5	7.4	869	108
NPB 180 × 90	15.37	19.5	177	91	4.3	6.5	1,060	120
NPB 180 × 90	18.8	23.9	180	91	5.3	8	1,310	146
NPB 180 × 90	21.27	27	182	92	6	9	1,500	165
NPB 200 × 100	18.43	23.4	197	100	4.5	7	1,590	161
NPB 200 × 100	22.36	28.4	200	100	5.6	8.5	1,940	194
NPB 200 × 100	25.09	31.9	202	102	6.2	9.5	2,210	218
NPB 200 × 130	27.37	34.8	207	133	5.8	8.5	2,660	257
NPB 200 × 130	31.56	40.1	210	134	6.4	10	3,150	300
NPB 200 × 150	30.46	38.7	194	150	6	9	2,670	275
NPB 200 × 165	35.69	45.4	201	165	6.2	10	3,410	339
NPB 200 × 165	42.48	54.1	205	166	7.2	12	4,160	406
NPB 200 × 165	48	61.1	210	166	6.5	14.5	5,020	478
NPB 220 × 110	22.18	28.2	217	110	5	7.7	2,310	213
NPB 220 × 110	26.2	33.3	220	110	5.9	9.2	2,770	251
NPB 220 × 110	29.35	37.3	222	112	6.6	10.2	3,130	282
NPB 240 × 120	26.15	33.3	237	120	5.2	8.3	3,290	277
NPB 240 × 120	30.71	39.1	240	120	6.2	9.8	3,890	324
NPB 240 × 120	34.32	43.7	242	122	7	10.8	4,360	361
NPB 250 × 125	30.11	38.3	250	125	6	9	4,130	331
NPB 250 × 150	34.08	43.4	258	146	6.1	9.2	5,120	396
NPB 250 × 150	39.78	50.6	262	147	6.6	11.2	6,200	473
NPB 250 × 150	46.48	59.2	266	148	7.6	13.2	7,380	554
NPB 250 × 175	43.94	55.9	244	175	7	11	6,090	499
NPB 270 × 135	30.73	39.1	267	135	5.5	8.7	4,910	368
NPB 270 × 135	36.07	45.9	270	135	6.6	10.2	5,780	428
NPB 270 × 135	42.26	53.8	274	136	7.5	12.2	6,940	507
NPB 300 × 150	36.53	46.5	297	150	6.1	9.2	7,170	483
NPB 300 × 150	42.24	53.8	300	150	7.1	10.7	8,350	557
NPB 300 × 150	49.32	62.8	304	152	8	12.7	9,990	657
NPB 300 × 165	39.88	50.7	310	165	5.8	9.7	8,790	567
NPB 300 × 165	45.76	58.2	313	166	6.6	11.2	10,200	652
NPB 300 × 165	53.46	68.1	317	167	7.6	13.2	12,100	764
NPB 300 × 200	59.57	75.8	303	203	7.5	13.1	12,800	848
NPB 300 × 200	66.75	85	306	204	8.5	14.6	14,500	948
NPB 300 × 200	75.37	96	310	205	9.4	16.6	16,600	1,070
NPB 330 × 160	42.97	54.7	327	160	6.5	10	10,200	625
NPB 330 × 160	49.15	62.6	330	160	7.5	11.5	11,700	713
NPB 330 × 160	57.01	72.6	334	162	8.5	13.5	13,900	832
NPB 350 × 170	50.22	63.9	357.6	170	6.6	11.5	14,500	811
NPB 350 × 170	57.1	72.7	360	170	8	12.7	16,200	903
NPB 350 × 170	66.05	84.1	364	172	9.2	14.7	19,000	1,040
NPB 350 × 250	79.18	100	340	250	9	14	21,500	1,260
NPB 400 × 180	57.38	73	397	180	7	12	20,200	1,020
NPB 400 × 180	66.31	84.4	400	180	8.6	13.5	23,100	1,150
NPB 400 × 180	75.67	96.3	404	182	9.7	15.5	26,700	1,320
NPB 400 × 200	67.28	85.7	400	200	8	13	24,200	1,210
NPB 450 × 190	67.16	85.5	447	190	7.6	13.1	29,700	1,330
NPB 450 × 190	77.58	98.8	450	190	9.4	14.6	33,700	1,490
NPB 450 × 190	92.37	117	456	192	11	17.6	40,900	1,790
NPB 500 × 200	79.36	101	497	200	8.4	14.5	42,900	1,720
NPB 500 × 200	90.69	115	500	200	10.2	16	48,100	1,920
NPB 500 × 200	107.32	136	506	202	12	19	57,700	2,280
NPB 550 × 210	92.08	117	547	210	9	15.7	59,900	2,190
NPB 550 × 210	105.52	134	550	210	11.1	17.2	67,100	2,440
NPB 550 × 210	122.52	156	556	212	12.7	20.2	79,100	2,840
NPB 600 × 220	107.57	137	597	220	9.8	17.5	82,900	2,770
NPB 600 × 220	122.45	155	600	220	12	19	92,000	3,060
NPB 600 × 220	154.47	196	610	224	15	24	1,18,000	3,870
NPB 700 × 250	113.46	144	694	250	9	16	1,18,000	3,420
NPB 700 × 250	128.41	163	695	250	11.5	16.5	1,28,000	3,680
NPB 700 × 250	143.42	182	700	250	12.5	19	1,45,000	4,160
NPB 700 × 250	153.87	196	704	250	13	21	1,59,000	4,520
NPB 700 × 250	171.48	218	709	250	14.5	23.5	1,78,000	5,030
NPB 750 × 270	145.29	185	750	265	13.2	16.6	1,61,000	4,310
NPB 750 × 270	174.54	222	760	270	14.4	21.6	2,06,000	5,430
NPB 750 × 270	202.49	257	770	270	15.6	26.6	2,49,000	6,480

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Other tables

Medium & Wide Flange Beams (MB, WB) IS 808 Table 1 · 28 sections Light & Junior Beams (LB, JB) IS 808 Table 2 · 25 sections Wide Parallel Flange Beams (WPB) IS 808 Table 4 · 123 sections Column / Heavy Beams (SC, HB) IS 808 Table 5 · 26 sections Sloping Flange Channels (MC) IS 808 Table 6 · 20 sections Sloping Flange Channels (LC, JC) IS 808 Table 7 · 20 sections Parallel Flange Channels (MCP) IS 808 Table 8 · 20 sections Equal Leg Angles IS 808 Table 9 · 72 sections Unequal Leg Angles IS 808 Table 10 · 19 sections Angles (supplementary) IS 808 Table 11 · 62 sections Unequal Leg Angles (supplementary) IS 808 Table 12 · 45 sections Parallel Flange Bearing Piles (PBP) IS 808 Table 13 · 29 sections Square Hollow Sections IS 4923:2017 (Amd. 2) Table 1 · 212 sections Rectangular Hollow Sections IS 4923:2017 Table 2 · 216 sections Circular Hollow Sections IS 1161:2014 Table 1 · 80 sections

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Common questions about Narrow Parallel Flange Beams (NPB)

How many narrow parallel flange beams (npb) are there in IS 808 : 2021?

70, from NPB 100 × 55 at 8.1 kg per metre to NPB 750 × 270 at 202.49 kg per metre. They are printed in IS 808 Table 3 - Narrow Parallel Flange Beams.

Which is the lightest narrow parallel flange beams (npb) in this table?

NPB 100 × 55, at 8.1 kg per metre with a sectional area of 10.3 cm². The heaviest is NPB 750 × 270 at 202.49 kg per metre.

How do I work out the weight of a length from this chart?

Multiply the mass per metre by the length and the number of pieces. NPB 100 × 55 at 8.1 kg/m, in 6 m lengths, ten of them, is 8.1 × 6 × 10 = 486 kg. The standard publishes the mass, so there is nothing to compute from the area.

Where these figures come from. IS 808 Table 3 - Narrow Parallel Flange Beams Section properties are facts published in the standards, and they are reproduced here as printed. Where a standard contradicts itself, both of its figures are shown and neither is corrected.

What is ours. The selection and arrangement of these tables, the checks run against them, and the findings those checks produced — which rows disagree with themselves, which figures were superseded by amendment, and which could not be read — are QuickBOQ’s work, and so is this wording. Quote the numbers freely; they belong to everyone. Copying the compilation and the commentary is a different thing, and we would rather you linked to it.