ASTM A490 A490M Heavy Hex Structural Bolt

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ASTM A490 A490M Heavy Hex Structural Bolts Awọn boluti naa jẹ ipinnu fun lilo ninu awọn asopọ igbekale. Awọn asopọ wọnyi ni aabo labẹ awọn ibeere ti Sipesifikesonu fun Awọn isẹpo igbekale Lilo ASTM A490 Bolts, ti a fọwọsi nipasẹ Igbimọ Iwadi lori Awọn isopọ Igbekale, ti ifọwọsi nipasẹ Ile-ẹkọ Amẹrika ti Ikole Irin ati nipasẹ Institute Fastener Industrial. Iwọn: ASME B18.2.6, ASME/ANSI B18.2.3.7M Iwọn Inch: 1/2 "-1.1/2" pẹlu orisirisi ipari Iwọn Metric: M12-...

Iye owo FOB:US $ 0.5 - 9,999 / nkan

Min.Oye Ibere:100 nkan / nkan

Agbara Ipese:10000 Nkan / Awọn nkan fun oṣu kan

Ibudo:Ningbo

Awọn ofin sisan:L/C,D/A,D/P,T/T

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ASTM A490 A490M Heavy Hex Structural Boluti

Awọn boluti ti wa ni ipinnu fun lilo ninu awọn asopọ igbekale. Awọn asopọ wọnyi ni aabo labẹ awọn ibeere ti Sipesifikesonu fun Awọn isẹpo igbekale Lilo ASTM A490 Bolts, ti a fọwọsi nipasẹ Igbimọ Iwadi lori Awọn isopọ Igbekale, ti ifọwọsi nipasẹ Ile-ẹkọ Amẹrika ti Ikole Irin ati nipasẹ Institute Fastener Industrial.

Iwọn: ASME B18.2.6, ASME/ANSI B18.2.3.7M

Iwọn inch: 1/2″-1.1/2″ pẹlu gigun oriṣiriṣi

Iwọn Metiriki: M12-M36 pẹlu orisirisi gigun

Ipele: ASTM A490 A490M Iru-1

Ipari: Black Oxide, Zinc Plating, Dacromet, ati bẹbẹ lọ

Iṣakojọpọ: Olopobobo nipa 25 kgs paali kọọkan, awọn paali 36 pallet kọọkan

Anfani: Didara to gaju ati Iṣakoso Didara to muna, idiyele ifigagbaga, ifijiṣẹ akoko; Atilẹyin imọ-ẹrọ, Awọn ijabọ Igbeyewo Ipese

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ASTM A490

Ṣaaju yiyọkuro rẹ ni ọdun 2016, sipesifikesonu ASTM A490 bo parun ati iwọn otutu, irin alloy, awọn boluti igbekalẹ hex wuwo lati 1/2 ″ iwọn ila opin nipasẹ 1-1/2 ″ pẹlu tensile 150 ksi to kere ju. Awọn boluti wọnyi jẹ ipinnu fun lilo ninu awọn asopọ igbekale ati nitorinaa ni awọn gigun okun kukuru ju awọn boluti hex boṣewa. Tọkasi oju-iwe Bolts igbekale ti aaye wa fun awọn gigun okun ati awọn iwọn miiran ti o jọmọ. Awọn boluti A490 jẹ iru ni ohun elo ati awọn iwọn si A325 awọn boluti igbekalẹ hex wuwo ṣugbọn ti a ṣe lati irin alloy dipo irin alabọde erogba, ti o yorisi imudani agbara ti o ga julọ. Sipesifikesonu A490 wulo fun awọn boluti igbekalẹ hex wuwo nikan. Fun awọn boluti pẹlu awọn gigun okun oriṣiriṣi ju ti a sọ fun awọn boluti igbekale ṣugbọn pẹlu awọn ohun-ini ẹrọ ti o jọra, wo Specification A354 ite BD. Awọn boluti ASTM A490 ko ni bo nipasẹ galvanizing dip gbigbona, ifisilẹ ẹrọ, tabi elekitiropilaiti pẹlu zinc nitori eewu ti o pọju ti isunmọ hydrogen. ASTM ti fọwọsi boluti A490 pẹlu Zinc/Aluminium Corrosion Coatings Idaabobo fun ASTM F1136 Ite 3, ti a npe ni Geomet ni iṣowo. Idanwo afikun ni irisi Ṣiṣayẹwo patiku Oofa fun Awọn idaduro gigun ati Awọn dojuijako Ikọja jẹ ibeere ti sipesifikesonu A490.

A490 Orisi

ORISI 1	Erogba alabọde ati irin alloy.
ORISI 2	Ti yọkuro ni ọdun 2002.
ORISI 3	Irin oju ojo.
M	Metiriki A490.

A490 Asopọmọra Orisi

SC	Isokuso lominu ni.
N	Isopọ iru ti nso pẹlu awọn okun to wa ninu ọkọ ofurufu rirẹ.
X	Isopọ iru ti nso pẹlu awọn okun ti a yọkuro lati inu ọkọ ofurufu rirẹ.

A490 Mechanical Properties

Iwọn	Agbara, ksi	Ipese, ksi	Elong. %, min	RA%, min
1/2 – 1-1/2	150-173	130	14	40

A490 Kemikali Properties

Iru 1 Bolts
Eroja	Awọn iwọn 1/2 si 1-3/8	Iwọn 1-1/2
Erogba, max	0.30 – 0.48%	0.35 – 0.53%
phosphorus, max	0.040%	0.040%
Efin, max	0.040%	0.040%
Alloying eroja	*	*
* Irin, gẹgẹbi asọye nipasẹ Ile-iṣẹ Irin ati Irin Amẹrika, ni ao gba pe o jẹ alloy nigbati iwọn ti o pọju ti a fun fun akoonu ti awọn eroja alloying kọja ọkan ninu diẹ sii ti awọn opin atẹle: Manganese, 1.65%, silicon, 0.60%, Ejò , 0.60%, tabi ninu eyiti ibiti o daju tabi iye to kere julọ ti eyikeyi awọn eroja wọnyi ti wa ni pato tabi beere laarin awọn opin aaye ti a mọ ti awọn irin alloy alloy: aluminiomu, chromium to 3.99%, koluboti, columbium, molybdenum, nickel, titanium, tungsten, vanadium, zirconium tabi eyikeyi miiran alloying eroja fi kun lati gba a fẹ alloying ipa.

Iru 3 Bolts
Eroja	Awọn iwọn 1/2 si 3/4	Iwọn loke 3/4
Erogba	0.20 – 0.53%	0.30 – 0.53%
Manganese, min	0.40%	0.40%
phosphorus, max	0.035%	0.035%
Efin, max	0.040%	0.040%
Ejò	0.20 – 0.60%	0.20 – 0.60%
Chromium, min	0.45%	0.45%
Nickel, min	0.20%	0.20%
or
Molybdenum, min	0.15%	0.15%

A490 Niyanju Hardware

Eso		Awọn ẹrọ ifoso
Iru 1	Iru 3	Iru 1	Iru 3
A563DH	A563DH3	F436-1	F436-3
Akiyesi: Awọn eso ti o ni ibamu si A194 Grade 2H jẹ aropo ti o yẹ fun lilo pẹlu awọn boluti igbekalẹ hex wuwo A490. Tẹle ọna asopọ fun ASTM A563 Nut Chart ibamu.