Akụkọ - HEB vs HEA Beams: Isi ihe dị iche, nha, ngwa na ntuziaka nhọrọ

Ngalaba HEA na HEBbụ ogwe H-flange nke Europe nke nwere obosara flange.Ngalaba osisi HEAnwere flanges dị gịrịgịrị ma dị obere ibu, nke na-eme ka ha dabara adaba maka owuwu frame nwere ibu dị mfe, dịka ụlọ obibi na ụlọ azụmahịa nkịtị.Ngalaba osisi HEBnwere flanges dị arọ ma nwee ibu ibu karịa, na-enye ikike ibu ibu dị elu maka ngwa ibu dị elu dịka ụlọ ọrụ mmepụta ihe na àkwà mmiri. Usoro ihe omume a gụnyekwara H-beams dị arọ HEM, nke na-enye ikike ibu ibu kachasị elu.

Ụkpụrụ mmepụta ihe na-adaba n'ụdị abụọ: akụkụ nkebi na-agbaso EN 10034, ebe ọkwa ihe na-agbaso EN 10025 (akara nkịtị gụnyere S235, S275, na S355). Nkọwapụta ngwaahịa ọkọlọtọ maka ngalaba HEA na HEB na-ekpuchi oke zuru oke site na 100 ruo 1000.

Ogwe ígwè H: HEA na HEB

Tebụl ntụnyere Njirimara Isi nke HEA vs HEB nke European Wide-Flange Beams
Akụkụ njirimara	HEA (Usoro Ìhè)	HEB (Usoro ọkọlọtọ)
Njirimara Flange	Ọkpụrụkpụ flange dị gịrịgịrị	Ọkpụrụkpụ flange buru ibu
Ibu kwa mita	Ibu dị mfe karịa kwa mita	Ibu dị arọ kwa mita
Ogologo Aha	Ogologo aha ahụ dịka HEB n'okpuru otu nkọwapụta ahụ	Ogologo aha dị ka HEA n'okpuru otu nkọwapụta ahụ
Arụmọrụ na Uru Isi	Ọnụ ego dị ọnụ ala yana arụmọrụ ọnụ ahịa ka mma	Oge dị elu nke inertia, ikike ibu ibu siri ike n'ozuzu
Ihe Ndị Dị Mkpa n'Ime Ngwa	Ọdịdị nhazi nke nwere ibu dị arọ (ụlọ obibi, okpokolo ụlọ azụmahịa izugbe, wdg)	Ihe ndị bụ isi e ji arụ ọrụ nke nwere ibu dị elu (ụlọ ọrụ mmepụta ihe, àkwà mmiri, ihe ndị na-ebu ibu bụ isi, wdg)

Mụtakwuo

HEA vs HEB: Gịnị bụ ihe dị iche?

Ka anyị jiri ya mee iheHEA200naHEB200dị ka ihe atụ iji gosi ọdịiche dị iche.

Usoro HEA bụ nke dị mfe ibu. Flanges na webụ ndị dị gịrịgịrị pụtara na a naghị eji ígwè eme ihe kwa mita; n'ihi ya, HEA bụ nhọrọ a na-ahọrọ mgbe ibu dị obere ma ibu onwe onye bụ isi ihe a na-atụle (dịka maka osisi ala, ihe mkpuchi elu ụlọ, na ihe mkpuchi nke abụọ n'ụlọ azụmahịa na ebe obibi). HEA 200 dị kilogram 42.3/m2.

Ogwe HEB nwere flanges na ihe ndị dị arọ karịa, nke na-enye ha ohere ịkwado ibu dị arọ maka omimi ogwe enyere. Ha bụ nhọrọ a na-ahọrọkarị maka kọlụm ndị bụ isi na ogwe ndị bụ isi, yana maka ngwa ndị chọrọ mmụba nke ịgbagọ ma ọ bụ ikike ibu ibu axial na-enweghị ịbawanye omimi ogwe. Ogwe HEB 200 dị kilogram 61.3/m—ihe dị ka pasent 45 karịa HEA 200—mana ọ na-enye modulus nke dị ihe dị ka pasent 40 karịa.

Akụ na ụba	HEA 200	HEB 200
Omimi	190 mm	200 mm
Obosara flange	200 mm	200 mm
Ọkpụrụkpụ nke flange	10 mm	15 mm
Ọkpụrụkpụ weebụ	6.5 mm	9 mm
Ibu	42.3 kg/m	61.3 kg/m
Modulu nkebi Wx	389 cm3	570 cm3

Ọkwa Ihe

H-beams HEA na HEB na-agbaso akara ígwè nhazi EN 10025. Nọmba ọkwa ọ bụla na-anọchi anya ike mmepụta kacha nta ya: S235 na-eru 235 MPa, S275 na-eru 275 MPa, S355 na-eru 355 MPa.
Mkpụrụedemede mgbakwunye na-egosi okpomọkụ maka nnwale mmetụta Charpy: JR maka 20°C, J0 maka 0°C, J2 na K2 anwalechara ha na -20°C, ebe K2 nwere ike mmetụta dị elu

Ọkwa	Ike Mmepụta Kacha nta (MPa)	Ike nrụgide (MPa)	Ihe achọrọ maka ule mmetụta Charpy	Ihe Ndị A Na-ahụkarị Maka Ngwa
S235JR	235	360–510	27J na +20°C	Ihe owuwu izugbe, akụkụ nhazi dị ala
S275JR	275	410–560	27J na +20°C	Ọdịdị etiti ụlọ nkịtị
S355J2	355	470–630	27J na -20°C	Isi ihe owuwu ndị na-ebu ibu, àkwà mmiri, ụlọ ọrụ mmepụta ihe
S355K2	355	470–630	40J na -20°C	Ọrụ owuwu na mpaghara ihu igwe dị ala/oyi

S355J2bụ ọkwa ígwè kachasị akọwapụtara maka ọrụ mmepụta ihe na akụrụngwa.

Maka okpokolo agba ụlọ nkịtị nwere ogologo dị ala,S275JRna-ezukarị oke ma dịkwa ọnụ ala karịa.

S235ọ dabara adaba maka ihe ndị ọzọ, ihe eji aka rụọ, na fremu ndị a na-ebughị ibu.

Akụkụ na Ibu Ọkụ ígwè HEA / HEB

Nweta Ọnụahịa Ugbu a! Zipu Ajụjụ n'ime Awa 2

Nha nke HEA

Nhọpụta	h (mm)	a (mm)	e (mm)	r (mm)	Ibu (kg/m)	Mpaghara (cm²)	Jx (cm⁴)	Jy (cm⁴)	Wx (cm³)	Wy (cm³)	ix (cm)	iy (cm)
HEA 100	96	5	8	12	16.7	21.24	349.2	133.8	72.76	26.76	4.06	2.51
HEA 120	114	5	8	12	19.9	25.34	606.2	230.9	106.3	38.48	4.89	3.02
HEA 140	133	5.5	8.5	12	24.7	31.42	1033	389.3	155.4	55.62	5.73	3.52
HEA 160	152	6	9	15	30.4	38.77	1673	615.6	220.1	76.95	6.57	3.98
HEA 180	171	6	9.5	15	35.5	45.25	2510	924.6	293.6	102.7	7.45	4.52
HEA 200	190	6.5	10	18	42.3	53.83	3692	1326	388.6	133.6	8.28	4.98
HEA 220	210	7	11	18	50.5	64.34	5410	1955	515.2	177.7	9.17	5.51
HEA 240	230	7.5	12	21	60.3	76.84	7763	2769	675.1	230.7	10.05	6
HEA 260	250	7.5	12.5	24	68.2	86.82	10450	3668	836.4	282.1	10.97	6.5
HEA 280	270	8	13	24	76.4	97.26	13670	4763	1013	340.2	11.86	7
HEA 300	290	8.5	14	27	88.3	112.5	18260	6310	1260	420.6	12.74	7.49
HEA 300	310	9	15.5	27	97.6	124.4	22930	6985	1479	465.7	13.58	7.49
HEA 300	330	9.5	16.5	27	105	133.5	27690	7436	1678	495.7	14.4	7.46
HEA 300	350	10	17.5	27	112	142.8	33090	7887	1891	525.8	15.22	7.43
HEA 300	390	11	19	27	125	159	45070	8564	2311	570.9	16.84	7.34
HEA 300	440	11.5	21	27	140	178	63720	9465	2896	631	18.92	7.29
HEA 300	490	12	23	27	155	197.5	86970	10370	3550	691.1	21.98	7.24
HEA 300	540	12.5	24	27	166	211.8	111900	10820	4146	721.3	22.99	7.15
HEA 300	590	13	25	27	178	226.5	141200	11270	4787	751.4	24.97	7.05
HEA 300	640	13.5	26	27	190	241.6	175200	11720	5474	781.6	26.93	6.97
HEA 300	690	14.5	27	27	204	260.5	215300	12180	6241	811.9	28.87	6.84
HEA 300	790	15	28	30	224	285.8	303400	12640	7682	842.6	32.58	6.65
HEA 300	890	16	30	30	252	320.5	422100	13550	9485	903.2	36.29	6.5
HEA 300	990	16.5	31	30	272	346.8	553800	14000	11190	933.6	39.96	6.35

Nha nke HEA

Nhọpụta	h (mm)	a (mm)	e (mm)	r (mm)	Ibu (kg/m)	Mpaghara (cm²)	Jx (cm⁴)	Jy (cm⁴)	Wx (cm³)	Wy (cm³)	ix (cm)	iy (cm)
Heb 100	100	6	10	12	20.4	26.04	449.5	167.3	89.91	33.45	4.16	2.53
Hib 120	120	6.5	11	12	26.7	34.01	864.4	317.5	144.1	52.92	5.04	3.06
HIB 140	140	7	12	12	33.7	42.96	1509	549.7	215.6	78.52	5.93	3.58
HIB 160	160	8	13	15	42.6	54.25	2492	889.2	311.5	111.2	6.78	4.05
HIB 180	180	8.5	14	15	51.2	65.25	3831	1363	425.7	151.4	7.66	4.57
HEB 200	200	9	15	18	61.3	78.08	5696	2003	569.6	200.3	8.54	5.07
HIB 220	220	9.5	16	18	71.5	91.04	8091	2843	735.5	258.5	9.43	5.59
HIB 240	240	10	17	21	83.2	106	11260	3923	938.3	326.9	10.31	6.08
HIB 260	260	10	17.5	24	93	118.4	14920	5135	1148	395	11.22	6.58
HIB 280	280	10.5	18	24	103	131.4	19270	6595	1376	471	12.11	7.09
HEB 300	300	11	19	27	117	149.1	25170	8563	1678	570.9	12.99	7.58
HEB 300	320	11.5	20.5	27	127	161.3	30820	9239	1926	615.9	13.82	7.57
HEB 300	340	12	21.5	27	134	170.9	36660	9690	2156	646	14.65	7.53
HEB 300	360	12.5	22.5	27	142	180.6	43190	10140	2400	676.1	15.46	7.49
HEB 300	narị anọ	13.5	24	27	155	197.8	57680	10820	2884	721.3	17.08	7.4
HEB 300	450	14	26	27	171	218	79890	11720	3551	781.4	19.14	7.33
HEB 300	500	14.5	28	27	187	238.6	107200	12620	4287	841.6	21.19	7.27
HEB 300	550	15	29	27	199	254.1	136700	13080	4971	871.8	23.2	7.17
HEB 300	narị isii	15.5	30	27	212	270	171000	13530	5701	902	25.17	7.08
HEB 300	650	16	31	27	225	286.3	210600	13980	6480	932.3	27.12	6.99
HEB 300	700	17	32	27	241	306.4	256900	14440	7340	962.7	28.96	6.87
HEB 300	narị asatọ	17.5	33	30	262	334.2	359100	14900	8977	993.6	32.78	6.68
HEB 300	900	18.5	35	30	291	371.3	494100	15820	10980	1054	36.48	6.53
HEB 1000	1000	19	36	30	314	narị anọ	644700	16280	12890	1085	40.15	6.38