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Ọkwa 8.8, 10.9 & 12.9 Bolts na skru: Ngwa akụrụngwa akwadoro maka ihe ngwunye siri ike dị elu
2026-06-23
Ịhọrọ akụrụngwa ziri ezi bụ ntọala nke imepụta bolts siri ike dị elu a pụrụ ịdabere na ya, skru, bolts hex, na stud bolts. TS EN ISO 898-1 kọwapụta klaasị akụrụngwa akụrụngwa maka metric fasteners - nke na-abụkarị ọkwa 8.8, ọkwa 10.9 na ọkwa 12.9. Ọkwa nke ọ bụla na-akọwapụta ike nhịahụ kacha nta, ike na-enye ike, na ike siri ike nke naanị nchara ahọpụtara ebumnuche, jikọtara ya na ọgwụgwọ okpomọkụ kwesịrị ekwesị, nwere ike nweta ya mgbe niile.
Ọkwa 8.8 Bolts & Skru - Ọkara-Ike dị elu
Ọkwa 8.8 fasteners (opekempe tensile ike 800 MPa, mkpụrụ ruru 0.80) bụ ndị kasị eme ihe n'ozuzu-ebumnobi structural fasteners n'ụwa nile. Ha na-ekpuchi bolts hex, skru hex hex, bolts carriage, stud bolts, na skru zuru ezu maka owuwu ígwè, mgbakọ ụgbọ ala, na ígwè ọrụ izugbe.
Ngwa ndị akwadoro
- 35# Ọkara-Carbon Steel - Kwesịrị ekwesị maka ihe nkedo dị ntakiri (≤ M16). Dị ọnụ ahịa, ike ike zuru oke maka Ọkwa 8.8 ka emenyụ-na-ewe iwe (Q&T).
- 45# Ọkara-Carbon Steel - Nhọrọ kachasị ewu ewu maka ọkwa hex 8.8 na bolts stud. Ezi machinability, kwụsiri ike n'ibu Njirimara mgbe Q&T.
- 40Cr Alloy Steel - Achọtara maka bolts dayameta buru ibu (M20+). Mgbakwụnye Chromium na-eme ka ike siri ike na ịdị n'otu nhịahụ gafere n'ofe akụkụ.
Ọgwụgwọ okpomọkụ & Ngwa
Nkwụsị & iwe (Q&T). Oke ike siri ike: 22–32 HRC. Ngwa: njikọ nchara nhazi, chassis ụgbọ ala, igwe n'ozuzu, nkwonkwo flanged, njikọ osisi na ígwè.
Ọkwa 10.9 Bolts & kposara - Ike dị elu
Ọkwa 10.9 bolts na skru na-ebunye opekempe ike ntanye nke 1,040 MPa. A na-akọwapụta ha n'ebe ọ bụla kọmpat, njikọ ike dị elu chọrọ - site na injin ụgbọ ala ruo na ngwa mkpagharị ala dị arọ. Ụdị ngwaahịa a na-ahụkarị gụnyere skru isi oghere, bolts hex flanged, na bolts stud nwere ike dị elu.
Ngwa ndị akwadoro
- 40Cr Alloy Steel - Horse ọkọlọtọ maka ọkwa 10.9. Ike siri ike ama ama nke ọma, dị ebe niile ma nweta ikike nke ISO 898-1 chọrọ.
- 35CrMo Alloy Steel - Chromium-molybdenum ígwè nwere ike dị elu na nguzogide ike ọgwụgwụ. A na-ahụkarị maka bolts na skru n'okpuru nbudata ike.
- 42CrMo Alloy Steel - Ọdịnaya carbon dị elu karịa 35CrMo; na-enye nguzozi ike siri ike maka nnukwu dayameta ọkwa ọkwa 10.9 hex.
- SCM435 (JIS) - Standardkpụrụ nrụpụta Japanese nke dabara na 35CrMo. A na-eji ya eme ihe n'agbụ ndị na-ebunye ihe nkedo Asia-Pacific; ezigbo agbanwe agbanwe.
Ọgwụgwọ okpomọkụ & Ngwa
Nkwụsị & iwe (Q&T). Oke ike siri ike: 32–39 HRC. Ngwa: bolts na-arị elu engine, nkwusioru na ihe nkedo ụgbọala, ihe mkpuchi ikuku-turbine, njikọ nhazi dị arọ.
Ọkwa 12.9 Bolts & Skru - Ike dị elu
Ọkwa 12.9 bụ klaasị akụrụngwa ahaziri ahazi maka metric fasteners (ike tensile kacha nta 1,220 MPa). Ike dị elu na-achọ nchara nchara nkenke nwere kemịkalụ a na-achịkwa nke ọma. A na-eji ihe nkedo ndị a - nke bụ isi sọket isi okpu na bolts ụlọ ọrụ ọpụrụiche - na-eji ebe ọ bụla oke nchekwa na ndụ ike ọgwụgwụ na-enweghị mkparịta ụka.
Ngwa ndị akwadoro
- 42CrMo4 / 42CrMo Alloy Steel - Nhọrọ ọkọlọtọ zuru ụwa ọnụ maka ọkwa 12.9. Ike siri ike dị oke mma, ike ike ọgwụgwụ dị elu, nkesa isi ike otu (39-44 HRC mgbe Q&T gasịrị). Na-agbaso ụkpụrụ ISO 898-1, DIN EN 10263 na ụkpụrụ ASTM.
- SCM440 (JIS) - Japanese nke dabara na 42CrMo4. Na-achị na n'ichepụta East Asia; imecha elu elu yana nnabata akụkụ maka skru okpu oghere.
- 35CrMoV Alloy Steel - Ekwadoro Vanadium maka nguzogide iyi ka mma yana ike na-akpụ akpụ. Ahọpụtara maka ngwa ngwa ngwa okpomọkụ dị elu ma ọ bụ nke dị elu.
- 30CrNiMo8 Alloy Steel - Nickel-chromium-molybdenum ígwè maka oke ibu ọnọdụ. Eziputara maka ikuku ikuku-n'akụkụ yana bolts injinia dị oke egwu.
Ọgwụgwọ okpomọkụ & Ngwa
Quenching & Tempering (Q&T) na njikwa ike siri ike (39-44 HRC). Ngwa: diski breeki caliper bolts, ngwa ngwa igwe ziri ezi, arịlịka arụrụ arụ dị egwu, skru isi oghere (DIN 912 / ISO 4762), ihe mkpuchi ụlọ ọrụ pụrụ iche.
Ntụtụ aka ngwa ngwa: Ọkwa vs. Ihe akwadoro
| Ọkwa | Min. Ike tensile | Ngwa ndị akwadoro | Ụdị ngwaahịa nkịtị | Ọgwụgwọ Ọkụ Na-ahụkarị |
| 8.8 | 800 MPa | 35# / 45# Carbon Steel 40Cr Alloy Steel | Hex Bolt, Hex Cap Screw, Ụgbọ ala Bolt, Stud Bolt | Na-emenyụ & iwe |
| 10.9 | 1,040 MPa | 40Cr, 35CrMo, 42CrMo SCM435 Alloy Steel | Ihe mkpuchi mkpuchi mkpuchi, Flanged Bolt, Stud Bolt | Na-emenyụ & iwe |
| 12.9 | 1,220 MPa | 42CrMo4 / SCM440 35CrMoV Alloy Steel | Socket Head Cap Screw, Ngwa ngwa ụlọ ọrụ mmepụta ihe | Q&T (39–44 HRC njikwa) |
Banyere Fujirui Metal - Ọkachamara Onye nrụpụta & Onye mbupụ
Fujirui Metal na-arụpụta ma na-ebupụ ihe nkedo ziri ezi gụnyere bolts dị elu, screws hex, screws-drilling screws, stud bolts, na studs okpukpu abụọ n'ofe 8.8, 10.9, na 12.9. Nhọrọ ọgwụgwọ elu: Dacromet, Ruspert, galvanising na-ekpo ọkụ, na zinc plating. A na-akwado ngwaahịa niile na ụkpụrụ ISO, DIN na ASTM, yana asambodo ule ihe zuru oke (MTC) dị.
