Hexagonal skru nke onwe ya, nke Hebei Wotu Fastener Manufacturing Co., Ltd rụpụtara, na-arụ ọrụ n'okpuru usoro ụlọ ọrụ ọgbara ọhụrụ ma jikwaa nke ọma dịka ISO9001: 2015 quality system. Ụlọ ọrụ ahụ na-eji "Wotu" dịka ụghalaahia edenyere n'akwụkwọ.
Okwu a bụ "akụkụ ọkọlọtọ" na China bụ nkenke maka "ọkọlọtọ fasteners," nkọwa dị warara. Akụkụ ọkọlọtọ dị elu na nke ọkara na-ezo aka n'ụdị nkedo nke nwere ike iguzogide ụfọdụ nrụgide ma jiri ya na gburugburu ebe pụrụ iche. Echiche nke akụkụ ọkọlọtọ dị elu na nke ọkara maka rivets kpuru ìsì. Okwu a bụ "akụkụ ọkọlọtọ" na China bụ nkenke maka "ọkọlọtọ fasteners," nkọwa dị warara. Akụkụ ọkọlọtọ dị elu na nke ọkara na-ezo aka n'ụdị nkedo nke nwere ike iguzogide ụfọdụ nrụgide ma jiri ya na gburugburu ebe pụrụ iche.
Echiche nke akụkụ ọkọlọtọ dị elu na nke ọkara maka rivets kpuru ìsì. Ọkọlọtọ na akararị maka ihe nrụgide dị elu na nke etiti a na-ejikarị eme ihe skru nke onwe.
1. ASTM A193 / A193M-2009 "Alloy Steel na igwe anaghị agba nchara maka akụrụngwa okpomọkụ dị elu". Ụkpụrụ a nwere ọtụtụ akara ule, ndị a na-ejikarị gụnyere: Gr.B6, B7, B7M, B8, B8M, B8-2, B8M-2, B16, wdg.
2. ASTM A194 / A194M-2009 "Nkọwapụta ọkọlọtọ maka mkpụrụ maka oke okpomọkụ ma ọ bụ nrụgide dị elu ma ọ bụ nnukwu okpomọkụ na nrụgide dị elu". Ụkpụrụ a nwere ọtụtụ akara ule, ndị a na-ejikarị gụnyere: Gr.2H, 2HM, 4, 6, 7, 7M, 8, 8M, wdg.
3. ASTM A320 / A320M-2008 "Alloy Steel Bolts maka Obere Okpomọkụ Eji". Ọkọlọtọ a nwere ọtụtụ akara ule, ndị a na-ejikarị gụnyere: Gr.L7, L7M, B8, B8M, B8-2, B8M-2, wdg. (345-827 MPa)". Akara ndị nkịtị gụnyere Gr.660A na 660B.
5. ASTM A182/A182M-2007 "Akpụkọba ma ọ bụ Rolled Alloy Steel na igwe anaghị agba nchara, ihe eji eme ọkpọkọ, valves, na akụrụngwa maka ngwa okpomọkụ dị elu". Akara ule a na-ahụkarị gụnyere F51, F53 na F55.
6. HG / T20634-2009 "Njikọ maka ígwè Pipe Flanges" (Klas Series). Ọkọlọtọ a nọchiri ụdị 1997, na-agbakwunye ọdịnaya ọhụrụ dị ịrịba ama dabere na ụkpụrụ ASTM ma ọ bụ ASME, na iwepu nkebiokwu ahụ na studs nwere ngwụcha abụọ.
7. HG / T20613-2009 "Njikọ maka ígwè Pipe Flanges" (PN Series). Ọkọlọtọ a nọchiri ụdị 1997 wee tinye ọtụtụ atụmatụ ọhụrụ dabere na ụkpụrụ ASTM ma ọ bụ ASME.
8. ASME Series Standards. Ụkpụrụ ASME na-ezokarị ụkpụrụ ASTM, na-eme mgbanwe ma ọ bụ mgbakwunye kwesịrị ekwesị iji mepụta usoro ụkpụrụ na-amalite na SA, dị ka: ASME SA193/SA193M; ASME SA194/SA194M; ASME SA320/SA320, wdg.
Hebei Wotu Fastener Manufacturing Co., Ltd., onye na-emepụta skru hexagonal nke na-egwupụta onwe ya, ji obi ya niile na-akwado ndị enyi si n'akụkụ niile nke ndụ n'ụlọ na ná mba ọzọ, na-arụ ọrụ aka na aka iji mepụta narị afọ ọhụrụ mara mma.
A na-atụba bolts arịlịka edobere, nke a makwaara dị ka mkpirisi arịlịka, na ntọala wee chekwaa akụrụngwa nke na-adịghị enwe mmaji ma ọ bụ mmetụta siri ike. 1. A na-atụba bolts arịlịka a kapịrị ọnụ, nke a makwaara dị ka mkpirisi arịlịka, na ntọala ma jiri ya chekwaa akụrụngwa na-anaghị enweta ịma jijiji siri ike […]
Screw bụ ngwá ọrụ na-eji ụkpụrụ anụ ahụ na mgbakọ na mwepụ nke ụgbọ elu nwere mmasị, ntụgharị okirikiri, na esemokwu iji jiri nwayọọ nwayọọ mee ka ihe na akụkụ igwe sie ike. Ihe nkedo na-egwupụta onwe ya bụ ihe nkedo na-eji aka ya eme ihe n'ọnụ ya. Skru bụ ihe a na-ahụkarị nke ụmụ mmadụ n'akụkọ ihe mere eme niile, na n'ihe gbasara ngwa, ha […]
