JIS G3444 STK400 Structural Steel Tube
JIS G3444 STK400 Structural Steel Tube
JIS G3444 STK400 Structural Steel Tube

Tiwb Dur Strwythurol JIS G3444 STK400

Mae JIS G3444 STK400 yn berthnasol i bibellau dur carbon ar gyfer peirianneg sifil a strwythurau adeiladu, megis peilonau, sgaffaldiau, pentyrrau troed, pentyrrau dur sylfaen, pentyrrau llethr gwrthlithro a phibellau dur carbon strwythurol eraill (y cyfeirir atynt o hyn ymlaen fel pibellau dur).

Anfon ymchwiliad

Sgwrs Nawr

Cyflwyniad Cynnyrch

Ar gyfer pentyrrau dur sylfaen, mae JIS G3444 ond yn berthnasol i bibellau dur wedi'u weldio â diamedr allanol llai na 318.5mm; ar gyfer pentyrrau dur llethr gwrthlithro, mae JIS G3444 ond yn berthnasol i bibellau dur di-dor a weldio gyda diamedr allanol llai na 318.5mm. Mae ystod maint y safon hon fel arfer o 21.7 i 1016.0mm OD.

Gradd: STK400

Diamedr allanol: 21.7-609.6mm

Trwch wal: 2-22mm

Hyd: 0.8-18m

Dull gweithgynhyrchu: rholio poeth

Triniaeth arwyneb: cotio, paentio, galfaneiddio, ac ati.

Cyfansoddiad cemegol tiwb dur strwythurol JIS G3444:

Cyfansoddiad Cemegol %
Gradd Dur	C	Si	Mn	P	S
STK 400	0.25 uchafswm.	-	-	0.040 uchafswm.	0.040 uchafswm.
STK 490	0.18 uchafswm.	0.55 uchafswm.	1.50 uchafswm.	0.040 uchafswm.	0.040 uchafswm.

Eiddo mecanyddol tiwb dur weldio JIS G3444:

Gradd Dur	Cryfder tynnol	Cryfder Cynnyrch	Ymuniad %
Gradd Dur	Mpa	Mpa	(Rhif 5 darn prawf)
STK 400	400 {41} mun.	245 {25} mun.	23 mun.
STK 490	490 {50} mun.	325 {33} mun.	23 mun.

Dimensiynau Tiwb Dur Strwythurol JIS STK400:

Diamedr allanol mm	Trwch mm	Màs uned kg/m	Cyfeiriad llawn gwybodaeth
			Ardal drawsdoriadol	Moment geometregol o syrthni	Modwlws yr adran	Radiws cylchrediad yr ardal
			Ardal drawsdoriadol	Moment geometregol o syrthni	Modwlws yr adran	Radiws cylchrediad yr ardal
21.7	2	0.972	1.238	0.607	0.56	0.7
27.2	2	1.24	1.583	1.26	0.93	0.89
27.2	2.3	1.41	1.799	1.41	1.03	0.88
34	2.3	1.8	2.291	2.89	1.7	1.12
42.7	2.3	2.29	2.919	5.97	2.8	1.43
	2.5	2.49	3.157	6.4	3	1.42
	2.8	2.76	3.51	7.02	3.29	1.41
48.6	2.3	2.63	3.345	8.99	3.7	1.64
	2.5	2.84	3.621	9.65	3.97	1.63
	2.8	3.16	4.029	10.6	4.36	1.62
	3.2	3.58	4.564	11.8	4.86`	1.61
60.5	2.3	3.3	4.205	17.8	5.9	2.06
	3.2	4.52	5.76	23.7	7.84	2.03
	4	5.57	7.1	28.5	9.41	2
76.3	2.8	5.08	6.465	43.7	11.5	2.6
	3.2	5.77	7.349	49.2	12.9	2.59
	4	7.13	9.085	59.5	15.6	2.56
89.1	2.8	5.96	7.591	70.7	15.9	3.05
	3.2	6.78	8.636	79.8	17.9	3.04
	4	8.39	10.69	97	21.8	3.01
101.6	3.2	7.76	9.892	120	23.6	3.48
	4	9.63	12.26	146	28.8	3.45
	5	11.9	15.17	177	34.9	3.42
114.3	3.2	8.77	11.17	172	30.2	3.93
	3.6	9.83	12.52	192	33.6	3.92
	4.5	12.2	15.52	234	41	3.89
	5.6	15	19.12	283	49.6	3.85
139.8	3.6	12.1	15.4	357	51.1	4.82
	4	13.4	17.07	394	56.3	4.8
	4.5	15	19.13	438	62.7	4.79
	6	19.8	25.22	566	80.9	4.74
165.2	4.5	17.8	22.72	734	88.9	5.68
	5	19.8	25.16	808	97.8	5.67
	6	23.6	30.01	952	115	5.63
	7	27.3	34.79	109]10	132	5.6
190.7	4.5	20.7	26.32	114]10	120	6.59
	5	22.9	29.17	126]10	132	6.57
	6	27.3	34.82	149]10	156	6.53
	7	31.7	40.4	171]10	179	6.5
216.3	4.5	23.5	29.94	168]10	155	7.49
	6	31.1	39.61	219]10	203	7.44
	7	36.1	46.03	252]10	233	7.4
	8	41.1	52.35	284]10	263	7.37
267.4	6	38.7	49.27	421]10	315	9.24
	7	45	57.27	486]10	363	9.21
	8	51.2	65.19	549]10	411	9.18
	9	57.4	73.06	611]10	457	9.14
318.5	6	46.2	58.91	719]10	452	11.1
	7	53.8	68.5	831]10	552	11
	8	61.3	78.04	941]10	591	11
	9	68.7	87.51	105]102	659	10.9
355.6	6.3	54.3	69.13	105]102	593	12.4
	8	68.6	87.36	132]102	742	12.3
	9	76.9	98	147]102	828	12.3
	12	102	129.5	191]102	108]10	12.2
406.4	9	88.2	112.4	222]102	109]10	14.1
	12	117	148.7	289]102	142]10	14
	16	154	196.2	374]102	184]10	13.8
	19	182	231.2	435]102	214]10	13.7
457.2	9	99.5	126.7	318]102	140]10	15.8
	12	132	167.8	416]102	182]10	15.7
	16	174	221.8	540]102	236]10	15.6
	19	205	261.6	629]102	275]10	15.5
500	9	109	138.8	418]102	167]10	17.4
	12	144	184	548]102	219]10	17.3
	14	168	213.8	632]102	253]10	17.2
508	9	111	141.1	439]102	173]10	17.6
	12	147	187	575]102	226]10	17.5
	14	171	217.3	663]102	261]10	17.5
	16	194	247.3	749]102	295]10	17.4
	19	229	291.9	874]102	344]10	17.3
	22	264	335.9	994]102	391]10	17.2
558.8	9	122	155.5	588]102	210]10	19.4
	12	162	206.1	771]102	276]10	19.3
	16	214	272.8	101]103	360]10	19.2
	19	253	322.2	118]103	421]10	19.1
	22	291	371	134]103	479]10	19
600	9	131	167.1	730]102	243]10
	12	174	221.7	958]102	320]10	20.9
	14	202	257.7	111]103	369]10	20.8
	16	230	293.6	125]103	418]10	20.7
609.6	9	133	169.8	766]102	251]10
	12	177	225.3	101]103	330]10	21.2
	14	206	262	116]103	381]10	21.1
	16	234	298.4	132]103	432]10	21.1
	19	277	352.5	154]103	505]10
	22	319	406.1	176]103	576]10