ASTM A193 B7 Heavy Hex Bolts

Takaitaccen Bayani:

A193 B7 Heavy Hex Bolts Heavy Hex Cap Screws Standard: ASME/ANSI B18.2.1, ASME/ANSI B18.2.3.7M (Ana samun nau'ikan kai iri-iri) Girman Inch: 1/2 "-2.3/4" tare da tsayi daban-daban Metric Girman: 1 / 2-M72 tare da tsayi daban-daban Grade: ASTM A193 B7 Gama: Black Oxide, Zinc Plated, Zinc Nickel Plated, PTFE da dai sauransu Packing: Bulk game da 25 kgs kowane kartani, 36 kartani kowane pallet Riba: Babban inganci da Tsananin inganci Sarrafa, Farashin Gasa, Bayarwa akan lokaci; Taimakon Fasaha, Rahoton Gwajin Kayyade Da fatan...

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A193 B7 Heavy Hex BoltsHeavy Hex Cap Screws

Standard: ASME/ANSI B18.2.1, ASME/ANSI B18.2.3.7M

(Akwai nau'ikan kai daban-daban)

Girman Inci: 1/2 "-2.3/4" tare da tsayi daban-daban

Girman awo: 1/2-M72 tare da tsayi daban-daban

Saukewa: ASTM A193B7

Ƙarshe: Black Oxide, Zinc Plated, Zinc Nickel Plated, PTFE da dai sauransu.

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

Fa'ida: Babban Inganci da Tsananin Kula da Inganci, Farashin Gasa, Bayarwa akan lokaci; Taimakon Fasaha, Rahoton Gwajin Samfura

Da fatan za a iya tuntuɓar mu don ƙarin cikakkun bayanai.

ASTM A193

Iyakar

An amince da asali a cikin 1936, wannan ƙayyadaddun ana amfani da shi sosai a cikin aikace-aikacen ginin mai da sinadarai. Ma'auni na ASTM ya ƙunshi kayan haɗin gwal da bakin karfe don sabis na zafin jiki. Wannan ƙayyadaddun ya haɗa da masu ɗaure waɗanda aka yi niyyar amfani da su a cikin tasoshin matsa lamba, bawuloli, flanges, da kayan ɗamara. Ko da yake, ana samun wannan abu sau da yawa a cikin filayen zaren zaren ƙasa (UNC), idan ana amfani da shi a aikace-aikacen gargajiya, zaren zaren an ƙayyade zaren 8 akan inch (tpi) don diamita sama da inch ɗaya.

A ƙasa akwai taƙaitaccen taƙaitaccen kaɗan daga cikin maki gama gari. ASTM A193 ya ƙunshi wasu ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai waɗanda ba a rufe su a cikin wannan kwatancen ciki har da B5, B6, da B16.

Maki

B7	Alloy karfe, AISI 4140/4142 quenched da fushi
B8	Class 1 Bakin Karfe, AISI 304, maganin carbide maganin.
B8M	Class 1 Bakin Karfe, AISI 316, maganin carbide da aka bi da shi.
B8	Class 2 Bakin Karfe, AISI 304, maganin carbide da aka bi da shi, mai tauri
B8M	Class 2 Bakin Karfe, AISI 316, maganin carbide da aka bi da shi, mai tauri

Kayayyakin Injini

Daraja	Girman	Tsuntsu ksi, min	Samuwar, ksi, min	Elong, %, min	RA% min
B7	Har zuwa 2-1/2	125	105	16	50
	2-5/8 - 4	115	95	16	50
	4-1/8 - 7	100	75	18	50
Babban darajar B8	Duka	75	30	30	50
Babban darajar B8M	Duka	75	30	30	50
Babban darajar B8	Har zuwa 3/4	125	100	12	35
	7/8- 1	115	80	15	35
	1-1/8 - 1-1/4	105	65	20	35
	1-3/8 - 1-1/2	100	50	28	45
Babban darajar B8M	Har zuwa 3/4	110	95	15	45
	7/8- 1	100	80	20	45
	1-1/8 - 1-1/4	95	65	25	45
	1-3/8 - 1-1/2	90	50	30	45

Nasihar Kwaya da Wankewa

Babban darajar Bolt	Kwayoyi	Masu wanki
B7	Babban darajar A194	F436
Babban darajar B8	Darasi na 8 A194	Saukewa: SS304
Babban darajar B8M	Babban darajar A194	Saukewa: SS316
Babban darajar B8	Darasi na 8 A194	Saukewa: SS304
Babban darajar B8M	Babban darajar A194	Saukewa: SS316