China DIN912 Hex Socket Cup Head Screw M3-M30 / carbon steel / ọkwa 12.9 ndị na-emepụta na ndị na-ebubata ya

DIN912 Hex Socket Cup Head Screw M3-M30/carbon steel /grade 12.9 Onyonyo egosipụtara

DIN912 Hex Socket Cup Isi ịghasa M3-M30 / carbon ígwè / ọkwa 12.9

Nkọwa dị mkpirikpi:

Mechaa: nwa, ZiNC, Brass

Ihe: Steel
Sistemụ nha: NCH, Metric

Ụdị isi: Flat, Gburugburu, HEX

Ebe Mmalite: Hebei, China

Aha ika: Hongji, Hongji

Nọmba nlereanya: M3-M30

Ọkọlọtọ: DIN

Aha ngwaahịa: Hex Socket Cup Head Screw

Ụdị: Hex Socket Bolt

Ụdị isi:Cup Head

Ogo: Carbon Steel

Ngwọta dị n'elu: zinc plated

Ọkwa: 12.9

Nha: M3-M30

Agba: foto

Mbukota: Katọn, Akpa osisi, Katọn+ akpa

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Nnukwu iwu, biko kpọtụrụ ndị ahịa

d		M1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
d
P	Eriri siri ike	0.3	0.35	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
	Eriri dị mma	/	/	/	/	/	/	/	/	1	1.25	1.5	1.5	1.5	2	2
	Ihe kacha mma	/	/	/	/	/	/	/	/	/	1	1.25	/	/	1.5	1.5
b	Uru ntụaka	14	15	16	17	18	20	22	24	28	32	36	40	44	48	52
dk	Max (dị nro)	2.6	3	3.8	4.5	5.5	7	8.5	10	13	16	18	21	24	27	30
	Max (Knurl*)	2.74	3.14	3.98	4.68	5.68	7.22	8.72	10.22	13.27	16.27	18.27	21.33	24.33	27.33	30.33
	Min	2.46	2.86	3.62	4.32	5.32	6.78	8.28	9,78	12.73	15.73	17.73	20.67	23.67	26.67	29.67
ds	Oke	1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
ds	Min	1.26	1.46	1.86	2.36	2.86	3.82	4.82	5.82	7.78	9,78	11.73	13.73	15.73	17.73	19.67
k	Oke	1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
k	Min	1.26	1.46	1.86	2.36	2.86	3.82	4.82	5.7	7.64	9.64	11.57	13.57	15.57	17.57	19.48
s	Aha aha	1.3	1.5	1.5	2	2.5	3	4	5	6	8	10	12	14	14	17
	Min	1.32	1.52	1.52	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	12.032	14.032	14.032	17.05
	Oke	1.36	1.56	1.56	2.06	2.58	3.08	4.095	5.14	6.14	8.175	10.175	12.212	14.212	14.212	17.23
t	Min	0.6	0.7	1	1.1	1.3	2	2.5	3	4	5	6	7	8	9	10
Ogologo eriri = b		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-



d		(M22)	M24	(M27)	M30	(M33)	M36	M42	M48	M56	M64	M72	M80	M90	M100
d
P	Eriri siri ike	2.5	3	3	3.5	3.5	4	4.5	5	5.5	6	6	6	6	6
	Eriri dị mma	2	2	2	2	2	3	3	3	4	4	4	4	4	4
	Ihe kacha mma	1.5	/	/	/	/	/	/	/	/	/	/	/	/	/
b	Uru ntụaka	56	60	66	72	78	84	96	108	124	140	156	172	192	212
dk	Max (dị nro)	33	36	40	45	50	54	63	72	84	96	108	120	135	150
	Max (Knurl*)	33.39	36.39	40.39	45.39	50.39	54.46	63.46	72.46	84.54	96.54	108.54	120.54	135.63	150.63
	Min	32.61	35.61	39.61	44.61	49.61	53.54	62.54	71.54	83.46	95.46	107.46	119.46	134.37	149.37
ds	Oke	22	24	27	30	33	36	42	48	56	64	72	80	90	100
ds	Min	21.67	23.67	26.67	29.67	32.61	35.61	41.61	47.61	55.54	63.54	71.54	79.54	89.46	99.46
k	Oke	22	24	27	30	33	36	42	48	56	64	72	80	90	100
k	Min	21.48	23.48	26.48	29.48	32.38	35.38	41.38	47.38	56.26	63.26	71.26	79.26	89.13	99.13
s	Aha aha	17	19	19	22	24	27	32	36	41	46	55	65	75	85
	Min	17.05	19.065	19.065	22.065	24.065	27.065	32.08	36.08	41.08	46.08	55.1	65.1	75.1	85.12
	Oke	17.23	19.275	19.275	22.275	24.275	27.275	32.33	36.33	41.33	46.33	55.4	65.4	75.4	85.47
t	Min	11	12	13.5	15.5	18	19	24	28	34	38	43	48	54	60
Ogologo eriri = b		-	-	-	-	-	-	-	-	-	-	-	-	-	-

Nkọwa zuru ezu

Ihe nkwụnye ike dị elu ga-emepụta crispness mgbe galvanized. Achọrọ nlebara anya pụrụ iche.

A na-ejikarị mgbawa mmiri na-egbu oge n'okpuru nrụgide na-egosipụta mgbawa mmiri hydrogen. Enweela isi iyi ụgbọ ala, ndị na-asa akwa, kposara, isi iyi akwụkwọ na akụkụ ndị ọzọ galvanized, n'ime awa ole na ole ka agbajichara mgbakọ, oke mgbaji nke 40% ~ 50%. N'ime usoro nke iji akụkụ cadmium-plated nke ngwaahịa pụrụ iche, e nwere mgbawa mgbawa, na e doziri nsogbu isi nke mba na usoro nhazi mmiri mmiri siri ike. Ke adianade do, e nwere ụfọdụ hydrogen embrittlement adịghị egosi egbu oge mgbawa onu, dị ka: electroplating hanger (steel waya, ọla kọpa waya) n'ihi ọtụtụ ugboro nke electroplating na pickling plating, hydrogen penetration bụ ihe dị njọ karị, na-apụtakarị na ojiji a n'ogige atụrụ ga- mee ihe mgbaji gbajiri agbaji; Ihe nkedo nke egbe egbe, mgbe ọtụtụ oge chroming gasịrị, dara n'ala ma gbajie; Akụkụ ụfọdụ agbanyụchara (nnukwu nrụgide dị n'ime) ga-agbawa mgbe a na-akụ mkpụrụ. Akụkụ ndị a bụ hydrogenated nke ukwuu na mgbawa na-enweghị nrụgide mpụga, nke a na-apụghịkwa iji weghachi ike nke mbụ site na mmịpụta mmiri.

Ka ike ihe dị elu dị elu, ka ahụ na-enwe mmetụta mgbaka mmiri hydrogen. Nke a bụ echiche bụ isi nke ndị na-ahụ maka ọgwụgwọ elu ga-eme ka o doo anya mgbe ha na-achịkọta nkọwapụta usoro electroplating. Steels nwere ike ike σb>105kg/mm2 chọrọ site n'ụkpụrụ mba ụwa kwesịrị idobe nrụgide tupu plating na ọgwụgwọ dehydrogenation post-plating kwesịrị ekwesị. Ụlọ ọrụ ụgbọ elu French chọrọ ọgwụgwọ dehydrogenation kwekọrọ maka akụkụ ígwè nwere ike σs> 90kg / mm2.

N'ihi ezi akwụkwọ ozi n'etiti ígwè ike na ekweghị ekwe, ọ bụ ihe kensinammuo na adaba ikpe na hydrogen embrittlement uche nke ihe site ekweghị ekwe ka ike. N'ihi na eserese ngwaahịa zuru oke na usoro nhazi kwesịrị ka ejiri nchara sie ike. Na electroplating, anyị chọpụtara na ike nke ígwè gburugburu HRC38 malitere igosi ihe ize ndụ nke hydrogen ebrittlement mgbaji. Maka akụkụ dị elu karịa HRC43, a ga-atụle mmiri n'ime mmiri mgbe etinyere ya. Mgbe isi ike dị ihe dị ka HRC60, a ghaghị ime ọgwụgwọ dehydrogenation ozugbo a gwọchara ya n'elu, ma ọ bụghị ya, akụkụ ígwè ga-agbawa n'ime awa ole na ole.

Nkwakọ ngwaahịa

Gbasara anyị

* Eserese na-esote na-achọpụta ụdị incoterms azụmaahịa dị iche iche. Biko họrọ nke masịrị gị.

Handan Yongnian Hongji Machinery Parts Co., Ltd.

guzosie ike na 2012, ọkachamara fasteners. Ngwaahịa anyị bụ isi bụ BOLT, NUT, SCREW, ACHOR NA WASHER.
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