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12.热轧槽钢（GB／T707～1988）

(1)尺寸规格

热轧槽钢的尺寸规格

型号	尺  寸/mm						截面面积 /em2	理论质量 /(kg/m)	参考数值
	h	b	d	t	r	r1			X-X			y-y			Y1-Y1	z0/cm
									Wx/cm3	1x/cm4	ix/cm	Wy/cm3	Iy/cm4	iy/cm	Iy/cm4
5	50	37	4.5	7.0	7.0	3.5	6.928	5.438	10.4	26.0	1.94	3.55	8.3	1.10	20.9	1.35
6.3	63	40	4.8	7.5	7.5	3.8	8.451	6.634	16.1	50.8	2.45	4.50	11.9	1.19	28.4	1.36
8	80	43	5.0	8.0	8.0	4.0	10.248	8.045	25.3	101	3.15	5.79	16.6	1.27	37.4	1.43
10	100	48	5.3	8.5	8.5	4.2	12.748	10.007	39.7	198	3.95	7.80	25.6	1.41	54.9	1.52
12.6	126	53	5.5	9.0	9.0	4.5	15.692	12.318	62.1	391	4.95	10.2	38.0	1.57	77.1	1.59
14a	140	58	6.0	9.5	9.5	4.8	18.516	14.535	80.5	564	5.52	13.0	53.2	1.70	107	1.71
14b	140	60	8.0	9.5	9.5	4.8	21.316	16.733	87.1	609	5.35	14.1	61.1	1.69	121	1.67
16a	160	63	6.5	10.0	10.0	5.0	21.962	17.240	108	866	6.28	16.3	73.3	1.83	144	1_80
16	160	65	8.5	10.0	10.0	5.0	25.162	19.752	117	935	6.10	17.6	83.4	1.82	161	1.75
18a	180	68	7.0	10.5	10.5	5.2	25.699	20.174	141	1270	7.04	20.0	98.6	1.96	190	1.88
18	180	70	9.0	10.5	10.5	5.2	29.299	23.000	152	1370	6.84	21.5	11	1.95	210	1.84
20a	200	73	7.0	11.0	11.0	5.5	28.837	22.637	178	1780	7.86	24.2	128	2.11	244	2.01
20	200	75	9.0	11.0	11.0	5.5	32.837	25.777	191	1910	7.64	25.9	144	2.09	268	1.95
22a	220	77	7.0	11.5	11.5	5.8	31.846	24.999	218	2390	8.67	28.2	158	2.23	298	2.10

 

 

型号	尺  寸/mm						截面面积 /em2	理论质量 /(kg/m)	参考数值
	h	b	d	t	r	r1			X-X			y-y			Y1-Y1	z0/cm
									Wx/cm3	1x/cm4	ix/cm	Wy/cm3	Iy/cm4	iy/cm	Iy/cm4
5	50	37	4.5	7.0	7.0	3.5	6.928	5.438	10.4	26.0	1.94	3.55	8.3	1.10	20.9	1.35
22	220	79	9.0	11.5	11.5	5.8	36.246	28.453	234	2570	8.42	30.1	176	2.21	326	2.03
25a	250	78	7.0	12.0	12.0	6.0	34.917	27.410	270	3370	9.82	30.6	176	2.24	322	2.07
25b	250	80	9.0	12.0	12.0	6.0	39.917	31.335	282	3530	9.41	32.7	196	2.22	353	1.98
25c	250	82	11.0	12.0	12.0	6.0	44.917	35.260	295	3690	9.07	35.9	218	2.21	384	1.92
28a	280	82	7.5	12.5	i2.5	6.2	40.034	31.427	340	4760	10.9	35.7	218	2.33	388	2.10
28b	280	84	9.5	12.5	12.5	6.2	45.634	35.823	366	5130	10.6	37.9	242	2.30	428	2.02
28c	280	86	11.5	12.5	12.5	6.2	51.234	40.219	393	5500	10.4	40.3	268	2.29	463	1.95
32a	320	88	8.0	14.0	14.0	7.0	48.513	38.083	475	7600	12.5	46.5	305	2.50	552	2.24
32b	320	90	10.0	14.0	14.0	7.0	54.913	43.107	509	8140	12.2	49.2	336	2.47	593	2.16
32e	320	92	12.0	14.0	14.0	7.0	61.313	48.131	543	8690	11.9	52.6	374	2.47	643	2.09
36a	360	96	9.0	16.0	16.0	8.0	60.916	47.814	660	11900	14.0	63.5	455	2.73	818	2.44
36b	360	98	11.0	16.0	16.0	8.0	68.110	53.466	703	12700	13.6	66.9	497	2.70	880	2.37
36c	3601	100	13.0	16.0	16.0	8.0	75.310	59.118	746	13400	13.4	70.0	536	2.67	948	2.34
40a	400	100	10.5	18.0	18.0	9.0	75.068	58.928	879	17600	15.3	78.8	592	2.81	1070	2.49
40b	400	102	12.5	18.0	18.0	9.0	83.068	65.208	932	18600	15.0	82.5	640	2.78	1140	2.44
40c	400	104	14.5	18.0	18.0	9.0	91.068	71.488	986	19700	14.7	86.2	688	2.75	1220	2.42
6.5①	65	40	4.8	7.5	7.5	3.8	8.547	6.709	17.0	55.2	2.54	4.59	12.0	1.19	28.3	1.38
12①	120	53	5.5	9.0	9.0	4.5	15.362	12.059	57.7	346	4.75	10.2	37.4	1.56	77.7	1.62
24a①	240	78	7.0	12.0	12.0	6.0	34.217	26.860	254	3050	9.45	30.5	174	2.25	325	2.10
24b①	240	80	9.0	12.0	12.0	6.0	39.017	30.628	274	3280	9.17	32.5	194	2.23	355	2.03
24c①	240	82	11.0	12.0	12.0	6.0	43.817	34.396	293	3510	8.96	34.4	213	2.21	388	2.00
27a①	270	82	7.5	12.5	12.5	6.2	39.284	30.838	323	4360	10.5	35.5	216	2.34	393	2.13
27b①	270	84	9.5	12.5	12.5	6.2	4.4.684	35.077	347	4690	10.3	37.7	239	2.31	428	2.06