1. Ni iki gipimo cy'ibikoresho by'icyuma gishyushye?
Icyuma ni icyuma gikozwe mu cyuma kirimo karuboni nke. Ibicuruzwa by'icyuma biza mu byiciro bitandukanye bitewe n'ijanisha rya karuboni birimo. Ibyiciro bitandukanye by'icyuma bishyirwa mu byiciro hakurikijwe ibikubiye muri karuboni. Ibyiciro by'icyuma gishyushye gishyirwa mu matsinda akurikira ya karuboni:
Icyuma gikozwe muri karuboni nkeya cyangwa cyoroheje gifite karuboni 0.3% cyangwa munsi yayo.
Icyuma gipima karuboni kirimo karuboni hagati ya 0.3% na 0.6%.
Ibyuma bifite karuboni nyinshi birimo karuboni irenga 0.6%.
Hari n’ibindi bikoresho bike byo guteranya ibikoresho nka chromium, manganese cyangwa tungsten byongerwamo kugira ngo bikore ibyuma byinshi. Ibyuma bitandukanye bitanga imiterere itandukanye nk’imbaraga zo gukurura, ubushobozi bwo guhindagurika, ubushobozi bwo kugonga, kuramba, hamwe n’ubushobozi bwo gutwara ubushyuhe n’amashanyarazi.
2.Itandukaniro riri hagati y'icyuma gishyushye n'icyuma gikonje gikonje
Ibikoresho byinshi by'icyuma bikorwa mu buryo bubiri bw'ingenzi: gushyushya cyangwa gukonjesha. Icyuma gishyushya ni uburyo icyuma gishyirwamo ku bushyuhe bwinshi. Muri rusange, ubushyuhe bw'icyuma gishyushya burenze dogere 1700. Icyuma gikonje ni uburyo icyuma gishyirwamo ku bushyuhe bw'icyumba.
Ni ngombwa kumenya ko icyuma gishyushye n'icyuma gikonjesha byombi atari icyuma cy'agaciro. Ni uburyo bwo gukora mbere yo gukora ibintu bitandukanye by'icyuma.
Inzira y'icyuma gishyushye gikozwe mu byuma
Icyuma gishyushye gikubiyemo gukora no kuzingira ibyuma mu gice kirekire mu gihe gishyushye hejuru y’ubushyuhe bwacyo bukwiye. Icyuma gishyushye gitangwa binyuze mu nganda zikora imigozi kugira ngo gikoreshwe kandi kigishyire mu gice gito. Iyo kimaze gukorwa, igice cy'icyuma gikonjeshwa n'amazi hanyuma kigashyirwa mu gice cy'icyuma. Igipimo gitandukanye cyo gukonjesha amazi giteza imbere izindi ngaruka z'icyuma mu cyuma.
Guhindura icyuma gishyushye ku bushyuhe bw'icyumba bituma imbaraga n'ubushobozi bwo gukora ibintu birushaho kwiyongera.
Ibyuma bishyushye bizingirwa bikunze gukoreshwa mu bwubatsi, inzira za gari ya moshi, ibyuma, n'ibindi bikorwa bidasaba kurangiza neza cyangwa imiterere n'ubushobozi buhagije.
Inzira y'icyuma gikonje gikozwe mu byuma
Ibyuma bikonje bishyushye kandi bigakonjeshwa nk'icyuma gishyushye ariko bigatunganywa kurushaho hakoreshejwe uburyo bwo gukurura cyangwa gushyushya kugira ngo bigire imbaraga zo gukurura no gutanga umusaruro mwinshi. Ingufu ziyongereyeho n'igihe cyo gutunganya byongera ikiguzi ariko bitanga ubushobozi bwo kwihanganira imiterere y'ibipimo kandi bigatanga amahitamo menshi yo kurangiza. Ubu bwoko bw'icyuma bufite irangi ryoroshye kandi bukoreshwa mu bikorwa bisaba imiterere yihariye y'ubuso n'ubushobozi bwo kwihanganira imiterere y'ibipimo.
Ibisanzwe bikoreshwa mu byuma bikonje birimo ibice by'ubwubatsi, ibikoresho byo mu nzu, ibikoresho byo mu rugo, ibice by'imodoka n'ibikoresho bya tekiniki aho bikenewe ko hakorwa ubushakashatsi bunonosoye cyangwa bwiza.
3. Ibyuma bishyushye bizingiye mu buryo bushyushye
Ibyuma bishyushye bizingirwa biboneka mu byiciro bitandukanye kugira ngo bihuze n'ibisabwa n'umushinga wawe. Ishyirahamwe ry'Abanyamerika ryita ku bipimo n'ibikoresho (ASTM) cyangwa Ishyirahamwe ry'Abahanga mu by'Imodoka (SAE) rishyiraho amahame n'ibipimo hakurikijwe imiterere n'ubushobozi bya buri cyuma.
Ingano z'icyuma za ASTM zitangizwa n'inyuguti "A" isobanura ibyuma bya ferrous. Sisitemu yo gupima ya SAE (izwi kandi nka American Iron and Steel Institute cyangwa sisitemu ya AISI) ikoresha inomero y'imibare ine mu gushyira mu byiciro. Ingano z'icyuma cya karuboni muri ubu buryo zitangizwa n'umubare 10, hanyuma hagakurikiraho imibare ibiri igaragaza ingano ya karuboni.
Ibi bikurikira ni ubwoko busanzwe bw'icyuma gishyushye gikozwe mu buryo bwa "hot rolled". Menya ko hari ibicuruzwa bitangwa mu buryo bwa "hot rolled" haba mu buryo bwa "hot rolled" n'ubwo mu buryo bwa "cold rolled".
A36 Icyuma gishyushye gishyushye
Ibyuma bishyushye bya A36 ni bimwe mu byuma bishyushye bikunzwe cyane biboneka (nabyo biza mu bwoko bushyushye buvanze n'ubukonje, ariko ntibikunze kugaragara cyane). Iki cyuma gifite karuboni nkeya gifite uburemere buri munsi ya 0.3% bya karuboni, 1.03% bya manganese, 0.28% bya silikoni, 0.2% by'umuringa, 0.04% bya fosifore, na 0.05% bya sulfur. Ikoreshwa risanzwe mu nganda za A36 harimo:
Inzugi z'ikamyo
Ibikoresho by'ubuhinzi
Gushyira amashelufu
Inzira zo kugendamo, inzira zo kuzamuka, n'inkingi zo kurinda
Inkunga y'inyubako
Amataratara
Ubuhanga rusange
1018 Akabati k'icyuma gishyushye cya karuboni
Iruhande rwa A36, AISI/SAE 1018 ni imwe mu nganda zisanzwe zikoreshwa mu byuma. Ubusanzwe, iyi nganda ikoreshwa cyane kurusha A36 mu nganda cyangwa mu migozi. Ibikoresho by'icyuma bya 1018 biza mu nganda zishyushye n'izikonje, nubwo inganda zikonje ari zo zikoreshwa cyane. Inganda zombi zifite imbaraga n'ubukana kurusha A36 kandi zikwiriye ibikorwa byo gukora ibintu bikonje, nko kugonda cyangwa gukurura. Inganda za 1018 zirimo 0.18% ya karuboni na 0.6-0.9% ya manganese, biri munsi ya A36. Irimo kandi uduce twa fosforasi na sulfur ariko umwanda muto ugereranyije na A36.
Ikoreshwa risanzwe ry'icyuma cya 1018 ririmo:
Ibikoresho
Inkovu
Ingunguru
Ibikoresho by'amavuta
Udupira
Udupira tw'iminyururu
Imirongo
Inkingi
Udupira tw'inkoni
1011 Urupapuro rw'icyuma gishyushye ruzingiye
1011 Icyuma gishyushye gikozwe mu cyuma gitanga ubuso bugoye kurusha icyuma gikonje gikozwe mu cyuma gishyushye. Iyo gikozwe mu cyuma gishyushye, gikoreshwa no mu bikorwa aho kuba ngombwa ko kirwanya ingese. Icyuma gikomeye kandi gikozwe mu cyuma gishyushye gikozwe mu cyuma gishyushye cyoroshye gucukura, gukora no gusudira. Icyuma gishyushye gikozwe mu cyuma gishyushye gitangwa nk'ibikoresho bisanzwe bikozwe mu cyuma gishyushye cyangwa gikozwe mu cyuma gishyushye.
Zimwe mu nyungu zijyanye n'icyuma gishyushye cya 1011 kirimo kwiyongera kw'ubushobozi bwo gukora ibintu, umusaruro mwinshi, no kugabanuka ugereranije n'igikonje. Porogaramu zirimo:
Inyubako n'ubwubatsi
Imodoka n'ubwikorezi
Ibikoresho byo kohereza
Igisenge
Ibikoresho by'ikoranabuhanga
Ibikoresho biremereye
Icyuma gishyushye cya ASTM A513
Ibisobanuro bya ASTM A513 bireba imiyoboro y'icyuma gishyushye gikozwe mu byuma bishyushye binyuzwa mu byuma bishyushye kugira ngo bigere ku bipimo byihariye. Igicuruzwa cyarangiye gifite ubuso buto bufite impande zifite imirasire kandi gifite imiterere ivanze cyangwa idafunze. Kubera izi mpamvu, umuyoboro w'icyuma gishyushye ukwiriye gukoreshwa udasaba imiterere nyayo cyangwa ubushobozi bwo kwihanganira ibintu bikomeye.
Umuyoboro w'icyuma ushyushye woroshye gukata, gusudira, kuwushushanya no kuwukoresha mu mashini. Ukoreshwa mu nganda nyinshi, harimo:
Ibikoresho byo gushyiramo moteri
Ibihuru
Ubwubatsi/ubwubatsi bw'inyubako
Imodoka n'ibikoresho bifitanye isano (amakamyo, nibindi)
Ibikoresho by'inganda
Amakaramu y'imirasire y'izuba
Ibikoresho byo mu rugo
Indege/ikirere
Ibikoresho by'ubuhinzi
Icyuma gishyushye cya ASTM A786
Icyuma gishyushye cya ASTM A786 gishyushye kandi gifite imbaraga nyinshi. Gikunze gukorwa ku byuma bikoreshwa mu gushyiramo ibikoresho bikurikira:
Hasi
Inzira y'umuhanda
1020/1025 Icyuma gishyushye gishyushye
Icyuma 1020/1025 gikoreshwa mu bwubatsi no mu buhanga, gikunze gukoreshwa mu bikorwa bikurikira:
Ibikoresho n'uduti
Ibice by'imashini
Ibikoresho by'imodoka
Ibikoresho by'inganda
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Igihe cyo kohereza ubutumwa: Werurwe-06-2023
