ASTM A320 L7 Heavy Hex Bolts

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ASTM A320 L7 A193 B7 Dual Certified Heavy Hex Bolts Standard: ASME/ANSI B18.2.1, ASME/ANSI B18.2.3.7M Hakanan ana samun nau'ikan kai iri-iri Size: 1/2”-2.3/4” tare da ma'aunin tsayi daban-daban. Girman: 1/2-M72 tare da tsayi daban-daban Grade: ASTM A320 L7, 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 Advantage: High Inganci da Tsananin Ingancin Inganci, Farashin Gasa, Bayarwa akan lokaci; Taimakon Fasaha, S...

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ASTM A320 L7 A193 B7 Dual Certified Heavy Hex Bolts

Standard: ASME/ANSI B18.2.1, ASME/ANSI B18.2.3.7M Akwai kuma nau'ikan kai iri-iri.

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

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

Darasi: ASTM A320 L7, ASTM A193 B7

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 A320

Iyakar
Asalin da aka amince da shi a cikin 1948, ƙayyadaddun ASTM A320 ya ƙunshi gami da ƙarfe da kayan ƙwanƙwasa bakin ƙarfe don sabis ɗin ƙarancin zafin jiki. Wannan ma'auni yana rufe birgima, ƙirƙira, ko ƙuƙƙun sanduna, kusoshi, skru, studs, da ƙusoshin da aka yi amfani da su don tasoshin matsa lamba, bawul, flanges, da kayan aiki. Kamar ƙayyadaddun ASTM A193, sai dai in an kayyade, an ƙayyade jerin zaren 8UN akan maɗauri wanda ya fi 1 ″ a diamita.
A ƙasa akwai taƙaitaccen taƙaitaccen kaɗan daga cikin maki gama gari a cikin ƙayyadaddun ASTM A320. Yawancin sauran ƙananan maki na ASTM A320 sun wanzu, amma ba a rufe su a cikin bayanin da ke ƙasa.

Maki

L7 Alloy karfe	AISI 4140/4142 An kashe da fushi
L43 Alloy karfe	AISI 4340 ya mutu kuma yana fushi
B8 Class 1 Bakin Karfe	AISI 304, maganin maganin carbide
B8M Class 1 Bakin Karfe	AISI 316, maganin maganin carbide
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	Tensile, ksi, min	Samuwar, ksi, min	Tasirin Charpy 20-ft-lbf @ temp	Elong, %, min	RA,%, min
L7	Har zuwa 2¹/₂	125	105	-150F	16	50
L43	Har zuwa 4	125	105	-150F	16	50
B8 Darasi na 1	Duka	75	30	N/A	30	50
B8M Darasi na 1	Duka	75	30	N/A	30	50
B8 Darasi na 2	Har zuwa³/₄	125	100	N/A	12	35
	⁷/₈- 1	115	80	N/A	15	35
	1¹/₈- 1¹/₄	105	65	N/A	20	35
	1³/₈- 1¹/₂	100	50	N/A	28	45
B8M Darasi na 2	Har zuwa³/₄	110	95	N/A	15	45
	⁷/₈- 1	100	80	N/A	20	45
	1¹/₈- 1¹/₄	95	65	N/A	25	45
	1³/₈- 1¹/₂	90	50	N/A	30	45

Nasihar Kwaya da Wankewa

Daraja	Kwayoyi	Masu wanki
L7	A194 Darasi na 4 ko 7	F436
L43	A194 Darasi na 4 ko 7	F436
Babban darajar B8	Darasi na 8 A194	Saukewa: SS304
Babban darajar B8M	Babban darajar A194	Saukewa: SS316
Babban darajar B8	A194 Grade 8, iri tauri	Saukewa: SS304
Babban darajar B8M	A194 Grade 8M, mai tauri	Saukewa: SS316