ASTM A490 A490M Heavy Hex Structural Bolt

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ASTM A490 A490M Heavy Hex Structural Bolts An yi niyya don amfani da su a cikin haɗin ginin. Waɗannan haɗin gwiwar an rufe su a ƙarƙashin buƙatun ƙayyadaddun ƙayyadaddun haɗin gwiwar Tsarin Amfani da ASTM A490 Bolts, Majalisar Bincike kan Haɗin Tsari, ta amince da Cibiyar Gina Karfe ta Amurka da Cibiyar Fastener Masana'antu. Girma: ASME B18.2.6, ASME/ANSI B18.2.3.7M Girman Inci: 1/2 "-1.1/2" tare da tsayi daban-daban Girman Metric: M12-...

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ASTM A490 A490M Heavy Hex Structural Bolts

An yi nufin kusoshi don amfani a cikin haɗin ginin. Waɗannan haɗin gwiwar an rufe su a ƙarƙashin buƙatun ƙayyadaddun ƙayyadaddun haɗin gwiwar Tsarin Amfani da ASTM A490 Bolts, Majalisar Bincike kan Haɗin Tsari, ta amince da Cibiyar Gina Karfe ta Amurka da Cibiyar Fastener Masana'antu.

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

Girman inch: 1/2 ″-1.1/2″ tare da tsayi daban-daban

Girman awo: M12-M36 tare da tsayi daban-daban

Darasi: ASTM A490 A490M Nau'in-1

Gama: Black Oxide, Zinc Plating, Dacromet, da sauransu

Shiryawa: Girma kusan kilogiram 25 kowane kwali, kwali 36 kowane pallet

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ASTM A490

Kafin janyewarta a cikin 2016, ƙayyadaddun ASTM A490 ya rufe wuta da zafin jiki, ƙarfe mai ƙarfi, manyan kusoshi na hex mai nauyi daga 1/2 ″ diamita ta diamita 1-1/2 ″ tare da ƙaramin ƙarfi na 150 ksi. An yi nufin waɗannan kusoshi don amfani a haɗin ginin don haka suna da gajeren zaren tsayi fiye da daidaitattun kusoshi hex. Koma zuwa shafin Structural Bolts na rukunin yanar gizon mu don tsayin zaren da sauran abubuwan da ke da alaƙa. A490 kusoshi sun yi kama da aikace-aikace da girma zuwa A325 nauyi hex tsarin kusoshi amma an yi daga gami karfe maimakon matsakaici carbon karfe, haifar da mafi girma ƙarfi fastener. Ƙayyadaddun A490 yana aiki ne ga manyan kusoshi na hex masu nauyi kawai. Don kusoshi masu tsayin zaren daban-daban fiye da kayyade don kusoshi na tsari amma tare da kaddarorin inji iri ɗaya, duba Ƙirar A354 BD. ASTM A490 bolts ba za a rufe ta da zafi tsoma galvanizing, inji ajiya, ko electroplating tare da zinc saboda yuwuwar hadarin hydrogen embrittlement. ASTM ta amince da murfin A490 bolts tare da Zinc/Aluminum Corrosion Coatings Kariya ta ASTM F1136 Grade 3, kasuwanci da ake kira Geomet. Ƙarin gwaji a cikin nau'i na Binciken Barbashi na Magnetic don Kashe Tsawon Tsayi da Tsage-tsatse Matsala shine buƙatu na ƙayyadaddun A490.

Nau'in A490

NAU'I 1	Matsakaicin carbon da gami karfe.
NAU'I 2	An janye a 2002.
NAU'I 3	Yanayi karfe.
M	Saukewa: A490.

Nau'in Haɗin A490

SC	Zamewa mahimmanci haɗi.
N	Haɗin nau'in ɗaukar hoto tare da zaren da aka haɗa a cikin jirgin sama mai ƙarfi.
X	Haɗin nau'in ɗaukar hoto tare da zaren da aka cire daga jirgin sama mai ƙarfi.

A490 Mechanical Properties

Girman	Tsuntsu, ksi	Haihuwa, ksi	Elong. %, min	RA%, min
1/2 - 1-1/2	150-173	130	14	40

A490 Chemical Properties

Nau'in 1 Bolts
Abun ciki	Girma 1/2 zuwa 1-3/8	Girman 1-1/2
Carbon, max	0.30 - 0.48%	0.35 - 0.53%
Phosphorus, max	0.040%	0.040%
Sulfur, max	0.040%	0.040%
Alloying Elements	*	*
* Karfe, kamar yadda Cibiyar Iron da Karfe ta Amurka ta ayyana, za a yi la'akari da shi azaman gami ne lokacin da matsakaicin iyakar da aka bayar don abun ciki na abubuwan haɗin gwiwa ya wuce ɗaya daga cikin ƙarin iyakoki masu zuwa: Manganese, 1.65%, silicon, 0.60%, jan karfe. , 0.60%, ko a cikin abin da takamaiman kewayon ko mafi ƙarancin adadin kowane ɗayan abubuwan da ke biyowa aka ƙayyade ko ake buƙata a cikin iyakokin sanannen filin ginin gami: aluminum, chromium har zuwa 3.99%, cobalt, columbium, molybdenum, nickel, titanium, tungsten, vanadium, zirconium ko wani alloying abubuwa kara don samun so alloying sakamako.

Nau'in 3 Bolts
Abun ciki	Girman 1/2 zuwa 3/4	Girman sama da 3/4
Carbon	0.20 - 0.53%	0.30 - 0.53%
Manganese, min	0.40%	0.40%
Phosphorus, max	0.035%	0.035%
Sulfur, max	0.040%	0.040%
Copper	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 Nasiha Hardware

Kwayoyi		Masu wanki
Nau'i na 1	Nau'i na 3	Nau'i na 1	Nau'i na 3
A563D	A563DH3	F436-1	F436-3
Lura: Kwayoyin da suka dace da A194 Grade 2H sune madadin da ya dace don amfani tare da A490 mai nauyi hex bolts. Bi hanyar haɗin don ASTM A563 Nut Compatibility Chart.