I-HSS ithetha icandelo lentsimbi engenanto. Icandelo lentsimbi engenanto (i-HSS) lenziwe kuphela ngentsimbi yokwakha ngokwekhowudi nganye. Ipleyiti yentsimbi ethe tyaba itshintshwa kancinci kancinci ibe ziimo ezahlukeneyo ngokuwelda imiphetho efana nesangqa okanye ijikelezileyo, i-elliptical, isikwere, kunye ne-rectangular ngexesha lenkqubo yokuvelisa. Iingqokelela zentsimbi engenanto ezisikwere nezi-rectangular ngamanye amaxesha zibizwa ngokuba zii-tube steel okanye ii-box sections.
I-Youfa eshushu yokuthengisa intsimbi ethambileyo icandelo elingenanto
Amacandelo angenanto angenamikhono entsimbi, akwabizwa ngokuba yityhubhu yentsimbi yolwakhiwo okanye amacandelo angenanto angenamikhono, luhlobo lwentsimbi eyenziwe yaba yinxalenye yetyhubhu engenanto. Amacandelo angenanto angenanto angenamikhono entsimbi ahlulwe ngokweentlobo ezintathu eziphambili: amacandelo angenanto angxande (RHS), amacandelo angenanto angoonxande (SHS) kunye namacandelo angenanto ajikelezayo (CHS). Uhlobo ngalunye lwecandelo elingenanto luneempawu zalo kwaye lusebenza injongo ethile. Amacandelo angenanto angenamikhono entsimbi akwimigangatho ebandayo neshushu, i-S275 kunye ne-S355. Amacandelo angenanto angenamikhono entsimbi asetyenziswa rhoqo kwiindawo ezininzi zokwakha kunye nezicelo zoomatshini, apho asetyenziswa njengeefreyimu, iikholamu, iireyili kunye neebhama.
Imigangatho kunye nodidi lwentsimbi lwamacandelo angenanto entsimbi
| Imigangatho | GB/T3091 GB/T13973 | I-API 5L I-ASTM A53 | I-ISO65 | BS1387 EN10219 | I-DIN2440 | I-JIS G3444 |
| Elilinganayo inqanaba lesinyithi | Q195 | GR.A | √ | S195 | S195 | - |
| Q235 | GR.B | - | S235 | - | STK400 | |
| Q355 | GR.C | - | S355 | - | STK490 |
Iimpawu zekhemikhali zezakhiwo ezingenanto
| Icandelo elithambileyo lentsimbi engenanto Ulwakhiwo lweekhemikhali, Ubunzima ≤16mm | |||||||||||
| Umgangatho | Ibanga lentsimbi | C (ubuninzi.)% | I-Si (ubuninzi.)% | Mn (ubuninzi.)% | P (ubuninzi.)% | S (ubuninzi.)% | I-Cr (ubuninzi.)% | Ni (ubuninzi.)% | I-Cu (ubuninzi.)% | N (ubuninzi.)% | I-CEV (ubuninzi.)% |
| GB/T 700-2006 | Q235A | 0.22 | 0.35 | 1.4 | 0.045 | 0.05 | - | - | - | - | - |
| GB/T 700-2006 | Q235B | 0.2 | 0.35 | 1.4 | 0.045 | 0.045 | - | - | - | - | - |
| GB/T1591—2018 | Q355B | 0.24 | 0.55 | 1.6 | 0.035 | 0.035 | 0.3 | 0.3 | 0.4 | 0.012 | 0.45 |
Iimpawu zemishini zezakhiwo zentsimbi ethambileyo ezingenanto
| Iipropati zoomatshini, Ubunzima≤16mm | |||
| Umgangatho | Isivuno esincinci amandla I-MPa | Tensile strength I-MPa | Ubuncinane bobude % |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T1591—2018 | 355 | 470-630 | 20 |
I-Youfa brand galvanised mild steel sections hole
1. Icandelo lentsimbi engenanto egalelwe ngesinyithi
2. I-RHS SHS Inxalenye yentsimbi engenanto egayiweyo
Ixesha leposi: Julayi-25-2025