SS400 ke mokhoa oa ho tšoaea lisebelisoa tsa tšepe tsa Majapane le maemo a kahlolo.
Litšepe tsa sebopeho ka litekanyetso tsa kantle ho naha hangata li hlophisoa ho latela matla a tensile, joalo ka SS400 (e tšoailoeng joalo Japane), moo 400 e emelang σ Boleng bo tlase ba b ke 400MP. Tšepe ea matla a phahameng haholo e bua ka σ Steel e seng ka tlase ho 1373 Mpa.
1. Meelelo e fapaneng
SS400: SS400 ke mokhoa oa ho tšoaea thepa ea tšepe Japane le tekanyetso ea kahlolo, e lekanang le tšepe ea Q235 Chaena.
Q235: Q235 tšepe e tloaelehileng ea khabone e boetse e bitsoa tšepe ea A3. Tloaelehileng k'habone structural tšepe plain plate ke mofuta oa thepa ea tšepe.
2. Lintlha tse fapaneng tsa lihlahisoa
Ntlha ea tlhahiso ea Q235 e kholo ho feta 235 MPa, ha ea SS400 e le 245 MPa.
3. Linomoro tse fapaneng tsa maemo
Nomoro e tloaelehileng ea Q235 ke GB/T700. Nomoro e tloaelehileng ea SS400 ke JIS G3101.
4. Matla a fapaneng
SS400: Litšepe tsa sebopeho ka litekanyetso tsa kantle ho naha hangata li hlophisoa ho latela matla a thata, joalo ka SS400 (e tšoailoeng joalo Japane), moo 400 e bolelang σ boleng bo tlase ba b ke 400MPa. Tšepe e matla haholo e bua ka σ B Steel e seng ka tlase ho 1373 Mpa.
Q235: Q e emela moeli oa tlhahiso ea thepa ena. 235 e latelang e bua ka boleng ba tlhahiso ea thepa ena, e ka bang 235MPa. Boleng ba lihlahisoa bo tla fokotseha ka ho eketseha ha botenya ba thepa. Ka lebaka la khabone e leka-lekaneng, thepa e felletseng e ntle, 'me matla, polasetiki le thepa ea welding e tsamaisana hantle.
5. Papiso ea lik'hemik'hale tsa lik'hemik'hale pakeng tsa Q235 le SS400
Q235B carbon C: ha e fete 0.18
Q235B Mn: 0.35-0.80
Q235B silicon Si: ha e fete 0.3
Q235B sebabole S: ha e fete 0.04
Q235B phosphorus P: ha e fete 0.04
SS400 sebabole S: ha e fete 0.05
SS400 Phosphorus P: ha e fete 0.05
6. Papiso ea thepa ea mechine pakeng tsa Q235 le SS400
Q235 matla a tlhahiso: eseng ka tlase ho 185.
Q235 matla a matla: 375-500
Q235 elongation: eseng ka tlase ho 21
SS400 matla a tlhahiso: eseng ka tlase ho 215.
SS400 matla a matla: 400-510
SS400 elongation: eseng ka tlase ho 17
Nako ea poso: Dec-21-2023
