China DIN912 Hex Socket Cup Head Screw M3-M30 / erogba irin / ite 12.9 awọn olupese ati awọn olupese

DIN912 Hex Socket Cup Head Screw M3-M30/irin carbon / ite 12.9

Apejuwe kukuru:

Ipari: dudu, ZINC, Idẹ

Ohun elo: Irin
Eto wiwọn:NCH, Metric

Aṣa Ori: Alapin, Yika, HEX

Ibi ti Oti: Hebei, China

Orukọ Brand: Hongji, Hongji

Nọmba awoṣe: M3-M30

Standard:DIN

Orukọ ọja: Hex Socket Cup Head Screw

Iru: Hex Socket Bolt

Ori iru: Cup Ori

Didara: Erogba Irin

Itọju oju: zinc palara

Ipele: 12.9

Iwọn: M3-M30

Awọ: aworan

Iṣakojọpọ: Awọn paali, Apo onigi, Paali+Apo hun

Fi imeeli ranṣẹ si wa

Alaye ọja

ọja Tags

Apejuwe

YARAIdahun

YARAAsọsọ

YARAIfijiṣẹ

SETAN LATI GBE OKUN

10000+ SKU ni ile ise

A ṣe adehun fun awọn nkan RTS:

70% awọn ohun ti a firanṣẹ laarin 5 ọjọ

80% awọn ohun ti a firanṣẹ laarin 7 ọjọ

90% awọn ohun ti a firanṣẹlaarin 10 ọjọ

Awọn ibere olopobobo, jọwọ kan si iṣẹ alabara

d		M1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
d
P	Okun isokuso	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
	Okun ti o dara	/	/	/	/	/	/	/	/	1	1.25	1.5	1.5	1.5	2	2
	Okun Fine pupọ	/	/	/	/	/	/	/	/	/	1	1.25	/	/	1.5	1.5
b	Iye itọkasi	14	15	16	17	18	20	22	24	28	32	36	40	44	48	52
dk	O pọju (Dan)	2.6	3	3.8	4.5	5.5	7	8.5	10	13	16	18	21	24	27	30
	O pọju (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	O pọju	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	O pọju	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	Orúkọ	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
	O pọju	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
Itẹ ipari = b		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-



d		(M22)	M24	(M27)	M30	(M33)	M36	M42	M48	M56	M64	M72	M80	M90	M100
d
P	Okun isokuso	2.5	3	3	3.5	3.5	4	4.5	5	5.5	6	6	6	6	6
	Okun ti o dara	2	2	2	2	2	3	3	3	4	4	4	4	4	4
	Okun Fine pupọ	1.5	/	/	/	/	/	/	/	/	/	/	/	/	/
b	Iye itọkasi	56	60	66	72	78	84	96	108	124	140	156	172	192	212
dk	O pọju (Dan)	33	36	40	45	50	54	63	72	84	96	108	120	135	150
	O pọju (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	O pọju	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	O pọju	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	Orúkọ	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
	O pọju	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
Itẹ ipari = b		-	-	-	-	-	-	-	-	-	-	-	-	-	-

Apejuwe alaye

Awọn fasteners agbara giga yoo ṣe agbejade crispness nigbati galvanized. Nilo akiyesi pataki.

Imudanu hydrogen ni a maa n ṣe afihan nipasẹ idaduro idaduro labẹ wahala. Awọn orisun omi ọkọ ayọkẹlẹ ti wa, awọn fifọ, awọn skru, awọn orisun omi dì ati awọn ẹya miiran ti galvanized, ni awọn wakati diẹ lẹhin apejọ ti bajẹ, ipin fifọ ti 40% ~ 50%. Ninu ilana ti lilo awọn ẹya-palara cadmium ti ọja pataki kan, fifọ fifọ ipele kan wa, ati pe a ti yanju iṣoro bọtini orilẹ-ede kan ati pe a ṣe agbekalẹ ilana gbigbẹ ti o muna. Ni afikun, nibẹ ni o wa diẹ ninu awọn hydrogen embrittlement ko ni fi leti egugun lasan, gẹgẹ bi awọn: electroplating hanger (irin waya, Ejò waya) nitori ọpọlọpọ igba ti electroplating ati pickling plating, hydrogen ilaluja jẹ diẹ to ṣe pataki, igba han ni lilo a agbo yoo waye brittle dida egungun lasan; Awọn mandrel ti ibọn kan, lẹhin igba pupọ ti chroming, ṣubu si ilẹ ati fifọ; Diẹ ninu awọn ẹya ti a ti pa (iṣoro inu inu nla) yoo kiraki nigbati o ba yan. Awọn ẹya wọnyi jẹ hydrogenated pupọ ati kiraki laisi wahala ita, eyiti ko le ṣee lo lati mu pada lile atilẹba pada nipasẹ gbigbẹ.

Awọn ti o ga awọn ohun elo ti agbara, ti o tobi ni hydrogen embrittlement ifamọ. Eyi jẹ imọran ipilẹ ti o gbọdọ ṣe alaye nipasẹ awọn onimọ-ẹrọ itọju dada nigbati o n ṣajọ awọn pato ilana ilana itanna. Awọn irin pẹlu agbara fifẹ σb> 105kg / mm2 ti o nilo nipasẹ awọn ipele agbaye yẹ ki o wa labẹ aapọn iṣaaju-plating ati itọju dehydrogenation post-plating gẹgẹbi. Ile-iṣẹ ọkọ ofurufu Faranse nilo itọju dehydrogenation ti o baamu fun awọn ẹya irin pẹlu agbara ikore σs>90kg/mm2.

Nitori ifọrọranṣẹ ti o dara laarin agbara irin ati lile, o jẹ oye diẹ sii ati irọrun lati ṣe idajọ ifamọ ifamọ hydrogen ti ohun elo nipasẹ lile ju agbara lọ. Nitori iyaworan ọja pipe ati ilana ẹrọ yẹ ki o samisi pẹlu lile irin. Ninu ẹrọ itanna, a rii pe líle ti irin ni ayika HRC38 bẹrẹ lati ṣafihan eewu ti fifọ embrittlement hydrogen. Fun awọn ẹya ti o ga ju HRC43, gbigbemi yẹ ki o gbero lẹhin fifin. Nigbati lile ba fẹrẹ to HRC60, itọju dehydrogenation gbọdọ ṣee ṣe lẹsẹkẹsẹ lẹhin itọju dada, bibẹẹkọ awọn ẹya irin yoo ya laarin awọn wakati diẹ.

Iṣakojọpọ

Nipa re

* Aworan ti o tẹle n ṣe idanimọ awọn incoterms iṣowo ti o yatọ. Jọwọ yan eyi ti o fẹ.

Handan Yongnian Hongji Machinery Parts Co., Ltd.

ti iṣeto ni 2012, a ọjọgbọn fasteners. Awọn ọja akọkọ wa ni BOLT, nut, SCREW, ANCHOR AND WASHER.
Ni awọn ọdun aipẹ, a ti faagun awọn iṣowo si awọn orilẹ-ede to ju 20 lọ, Vietnam, Thailand, Indonesia, Malaysia, Bangladesh, India, Pakistan, Egypt, Kuwait, UAE, South Africa, Germany, Russia, United States, Canada, Mexico, ati bẹbẹ lọ lori.