ASTM A320 L7 Heavy Hex Bolts

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ASTM A320 L7 A193 B7 Meji Ifọwọsi Heavy Hex Bolts Standard: ASME/ANSI B18.2.1, ASME/ANSI B18.2.3.7M Oriṣiriṣi oriṣi ori tun wa Iwon Inch: 1/2"-2.3/4" pẹlu orisirisi gigun Metric Iwọn: 1/2-M72 pẹlu awọn gigun oriṣiriṣi Ite: ASTM A320 L7, ASTM A193 B7 Ipari: Black Oxide, Zinc Plated, Zinc Nickel Plated, PTFE etc. Iṣakojọpọ: Bulk nipa 25 kgs kọọkan paali, 36 cartons kọọkan pallet Anfani: Didara to gaju ati Didara Didara Didara, Owo ifigagbaga, Ifijiṣẹ akoko; Atilẹyin imọ-ẹrọ, S...

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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ọja Tags

ASTM A320 L7 A193 B7 Meji Ifọwọsi Heavy Hex Bolts

Standard: ASME/ANSI B18.2.1, ASME/ANSI B18.2.3.7M Oriṣiriṣi oriṣi ori tun wa

Iwọn Inch: 1/2 "-2.3/4" pẹlu awọn gigun pupọ

Iwọn Metiriki: 1/2-M72 pẹlu awọn gigun oriṣiriṣi

Ipele: ASTM A320 L7, ASTM A193 B7

Ipari: Black Oxide, Zinc Plated, Zinc Nickel Plated, PTFE etc.

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

Anfani: Didara Didara ati Iṣakoso Didara Didara, Iye Idije, Ifijiṣẹ akoko; Atilẹyin imọ-ẹrọ, Awọn ijabọ Igbeyewo Ipese

Jọwọ lero free lati kan si wa fun awọn alaye sii.

ASTM A320

Ààlà
Ni akọkọ ti a fọwọsi ni 1948, ASTM A320 sipesifikesonu ni wiwa irin alloy ati awọn ohun elo bolting irin alagbara fun iṣẹ iwọn otutu kekere. Iwọnwọn yii ni wiwa ti yiyi, eke, tabi igara awọn ọpa lile, awọn boluti, awọn skru, awọn studs, ati awọn boluti okunrinlada ti a lo fun awọn ohun elo titẹ, awọn falifu, flanges, ati awọn ohun elo. Bii sipesifikesonu ASTM A193, ayafi bibẹẹkọ pato, jara okun 8UN ti wa ni pato lori fastener ti o tobi ju 1” ni iwọn ila opin.
Ni isalẹ ni akopọ ipilẹ ti diẹ ninu awọn onipò ti o wọpọ laarin sipesifikesonu ASTM A320. Nọmba awọn onipò miiran ti ko wọpọ ti ASTM A320 wa, ṣugbọn ko bo ninu apejuwe ni isalẹ.

Awọn ipele

L7 Alloy irin	AISI 4140/4142 Pa ati ibinu
L43 Alloy irin	AISI 4340 parun ati ibinu
B8 Kilasi 1 Irin alagbara	AISI 304, ojutu carbide mu
B8M Class 1 Irin alagbara, irin	AISI 316, ojutu carbide mu
B8 Kilasi 2 Irin alagbara	AISI 304, ojutu carbide ṣe itọju, igara lile
B8M Class 2 Irin alagbara, irin	AISI 316, ojutu carbide ṣe itọju, igara lile

Darí Properties

Ipele	Iwọn	Agbara, ksi, min	Ipese, ksi, min	Ipa Charpy 20-ft-lbf @ iwọn otutu	Elong,%, min	RA,%, min
L7	Titi di 2¹/₂	125	105	-150°F	16	50
L43	Titi di 4	125	105	-150°F	16	50
B8 Kilasi 1	Gbogbo	75	30	N/A	30	50
B8M Kilasi 1	Gbogbo	75	30	N/A	30	50
B8 Kilasi 2	Titi di³/₄	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 Kilasi 2	Titi di³/₄	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

Niyanju Eso ati Washers

Ipele	Eso	Awọn ẹrọ ifoso
L7	Ipele A194 4 tabi 7	F436
L43	Ipele A194 4 tabi 7	F436
Ipele B8 1	Ipele 8 A194	SS304
Ipele B8M	A194 ite 8M	SS316
Ipele B8 2	A194 ite 8, igara le	SS304
Ipele B8M 2	A194 ite 8M, igara le	SS316