Ihe maka studs ịgbado ọkụ gụnyere SWRCH15A, ML15AL ma ọ bụ ML15, na nkịtị carbon steels Q195 ...

Ọkpụrụkpụ nke agba zinc passivation film bụ 8-15μm, nnu ịgba ule ihe karịrị 72 awa, na ọdịdị bụ egwurugwu-acha. Mgbe ejiri passivation chromium trivalent, ọrụ nchekwa gburugburu ebe obibi dị mma.

Isi bụ ihe na-eme ka ọkpụkpụ cross-groove countersunk, nke nwere ike zoo n'elu nrụnye iji mee ka elu dị larịị. Dayameta mkpọpu ihe dabara na dayameta eri (dị ka ST4.2 drill bit dayameta 4.2mm), nke kwekọrọ na ọkọlọtọ GB/T 15856.1-2002.

Site na ọgwụgwọ mmiri passivation ojii nwere nnu ọlaọcha (c2D), a na-emepụta mkpuchi 10-15μm, na nnwale ịgba nnu karịrị awa 96. Zink plating ojii nwere enyi na gburugburu ebe obibi na-eji passivation chromium trivalent, enweghị chromium hexavalent, ma na-agbaso ụkpụrụ RoHS.

Passivation nke egwurugwu chromate (c2C) na ndabere nke electrogalvanizing, mkpuchi mkpuchi 8-15μm, nnwale ịgba nnu maka ihe karịrị awa 72. Mgbe ị na-eji usoro ngafe chromium trivalent, ọ na-agbaso ntuziaka nchekwa gburugburu RoHS, yana ọdịnaya chromium hexavalent bụ ≤1000ppm.

Emere nke 1022A carbon steel, ike elu na-eru HV560-750 mgbe ọgwụgwọ okpomọkụ gasịrị, isi ike na-erute HV240-450. Elu bụ electro-galvanized na-etolite a 5-12μm mkpuchi, nke na-ezute GB / T 13912-2002 ọkọlọtọ, na nnu ịgba ule eru 24-48 awa na-enweghị ọcha nchara.

Otu dị ka electrogalvanized agbakwunyere efere, na-eji Q235 ma ọ bụ Q355 carbon ígwè, ígwè efere ọkpụrụkpụ 8-50mm, arịlịka mmanya dayameta 10-32mm, n'ahịrị na GB/T 700 ọkọlọtọ.

Q235 ma ọ bụ Q355 carbon ígwè, ọkpụrụkpụ nke ígwè efere na-emekarị 6-50mm, dayameta nke arịlịka mmanya bụ 8-25mm, n'ahịrị na GB / T 700 ma ọ bụ GB / T 1591 ụkpụrụ.

Site na ọgwụgwọ mmiri mmiri passivation ojii (c2D) nwere nnu ọlaọcha ma ọ bụ nnu ọla kọpa, a na-emepụta ihe nkiri passivation ojii nwere ọkpụrụkpụ nke ihe dịka 10-15μm. Ọnụ ego ahụ dị elu ma ọdịdị ahụ pụrụ iche.

Jiri zinc passivation nwere agba (c2C), mkpuchi mkpuchi 8-15μm, nnwale ịgba nnu nwere ike iru karịa awa 72, ọdịdị mara mma, arụmọrụ mgbochi corrosion ka mma.

GB / T 882-2008 "Pin" ọkọlọtọ, nominal dayameta 3-100mm, ihe na-agụnye carbon ígwè, igwe anaghị agba nchara, wdg, electrogalvanized oyi akwa ọkpụrụkpụ 5-12μm, n'ahịrị na c1B ma ọ bụ c1A post-ọgwụgwọ chọrọ.

A na-anabata usoro ngafe zinc agba (c2C), ọkpụrụkpụ mkpuchi bụ 8-15μm, na nguzogide corrosion nke nnwale ịgba nnu karịrị awa 72, nke nwere ma mgbochi corrosion na ịchọ mma.