All usoro nke ịghasa customization

Ogo arụmọrụ bolt nwere akụkụ abụọ nke ọnụọgụ, nke na -anọchite anya ike nkwụsị nke ọnụ ọnụ brọtị na oke nke ihe. Dịka ọmụmaatụ, ihe bolts nwere ọkwa arụmọrụ 4.6 bụ: ọnụọgụ dị na akụkụ nke mbụ (4 n'ime 4.6) bụ 1/100 nke ike ọdụdụ (n / mm2) nke ihe mkpọchi, ya bụ, Fu ≥ 400N / mm2; Ọnụ ọgụgụ dị n'akụkụ nke abụọ (6 n'ime 4.6) bụ ugboro iri nke oke mkpụrụ nke ihe bolt, ya bụ, FY / Fu = 0.6; Ngwaahịa nke ọnụọgụ abụọ (4) × 6 = "24") bụ 1/10 nke oke mkpụrụ mkpụrụ (ma ọ bụ ike ịmị mkpụrụ) (n / mm2) nke ihe mkpọchi, ya bụ, FY ≥ 240n / mm2.

Dị ka nrụpụta nrụpụta siri dị, enwere ike kee bolts nkịtị nke ihe nchara n'ime ọkwa atọ: A, B na CA Grade B bụ mkpọchi a nụchara anụcha, nke a na -ejikarị eme ihe maka ngwa, na ọkwa C bụ mkpọchi siri ike. Ọ gwụla ma akọwapụtara ya n'ụzọ ọzọ, mkpọchi nkịtị nke ihe nchara na -abụkarị mkpọchi ọkwa C nke nwere ọkwa arụmọrụ nke 4.6 ma ọ bụ 4.8.