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Reference Book Structural I and Junior Beams

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I and Junior Beams

I-BEAMS, AND JUNIOR BEAMS

Structural Steel Shapes

Structural
Steel Shapes are usually ordered as specification ASTM-36.

This Standard
of the American Society for Testing and Materials is issued under the
designation A-36.

The number
immediately following the designation includes the year of original
adoption, or, in the case of revision, the year of last revision.

A-36 Specification Tensile strength, psi 56,000-80,000

Min. yield strength, psi 36,000

Carbon Content .26 max.

Standard Lengths 40′, 50′,
60′

A-572 Specification

Tensile strength, psi 65,000

Min. yield strength, psi
36,000

Carbon Content .26 max.

Standard Lengths 40′, 50′, 60′

Standard “I” Beams
Conforms to A-36
Standard Lengths 20’, 40’, 60’
A		B	C	Weight Lbs.
Depth in Inches	Weight Lbs. Per Foot	Flange Width Inches	Web Thickness In.	20 Ft. Length	30 Ft. Length	40 Ft. Length	60 Ft. Length
3	5.7	2.330	.170	114	171	228	342
	7.5	2.509	.349	150	225	300	450
4	7.7	2.660	.190	154	231	308	462
	9.5	2.796	.326	190	285	380	470
5	10.0	3.000	.210	200	300	400	600
	14.75	3.284	.494	295	443	590	885
6	12.5	3.330	.230	250	375	500	750
	17.25	3.565	.465	345	518	690	1035
7	15.3	3.660	.250	306	459	612	918
	20.0	3.860	.450	400	600	800	1200
8	18.4	4.000	.270	368	552	736	1104
	23.0	4.171	.441	460	690	920	1380
10	25.4	4.660	.310	508	762	1016	1524
	35.0	4.944	.594	700	1050	1400	2100
12	31.8	5.000	.350	636	954	1272	1908
	35.0	5.078	.428	700	1050	1400	2100
	40.8	5.250	.460	816	1224	1632	2448
	50.0	5.477	.687	1000	1500	2000	3000
15	42.9	5.500	.410	858	1287	1716	2574
	50.0	5.640	.550	1000	1500	2000	3000
18	54.7	6.000	.460	1094	1641	2188	3282
	70.0	6.251	.711	1400	2100	2800	4200
20	66.0	6.255	.505	1320	1980	2640	3960
	75.0	6.385	.635	1500	2250	3000	4500
	86.0	7.060	.660	1720	2580	3440	5160
	96.0	7.200	.800	1920	2880	3840	5760
24	80.0	7.000	.500	1600	2400	3200	4800
	90.0	7.125	.625	1800	2700	3600	5400
	100.0	7.245	.745	2000	3000	4000	6000
	106.0	7.870	.620	2120	3180	4240	6360
	121.0	8.050	.800	2420	3630	4840	7260

Junior Beams
Conforms to A-36
Standard Lengths 20′ and 40′
IN INCHES	PER FOOT	WIDTH INCHES	THICK NESS IN.	20 FT. LENGTH	30 FT. LENGTH	40 FT. LENGTH	60 FT. LENGTH
6	4.4	1.844	.114	88	132	176
8	6.5	2.281	.135	130	195	260
10	9.0	2.688	.155	180	270	360
12	11.8	3.063	.175	236	354	472

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Cardinal Metals, Inc.