I-HSS isho ingxenye yensimbi engenalutho. Ingxenye yensimbi engenalutho (i-HSS) yakhiwe kuphela ngensimbi yokwakha ngokwekhodi ngayinye. Ipuleti lensimbi eliyisicaba lishintshwa kancane kancane libe yizimo ezahlukene ngokushisela imiphetho efana nendilinga noma eyindilinga, eyindilinga, eyisikwele, kanye neyindilinga ngesikhathi senqubo yokukhiqiza. Izingxenye zensimbi ezingenalutho eziyisikwele neziyindilinga ngezinye izikhathi zibizwa ngokuthi izingxenye zensimbi noma zebhokisi.
Isigaba se-Youfa esishisayo sokuthengisa insimbi ethambile
Izingxenye ezingenalutho zensimbi, ezaziwa nangokuthi ishubhu lensimbi elihlelekile noma izingxenye ezingenalutho zesakhiwo, luhlobo lwensimbi olubunjwa lube yisigaba esingenalutho esinomgodi. Izingxenye ezingenalutho zensimbi eziqinile zihlukaniswe ngezinhlobo ezintathu eziyinhloko: izingxenye ezingenalutho ezingonxande (RHS), izingxenye ezingenalutho eziyisikwele (SHS) kanye nezingxenye ezingenalutho ezijikelezayo (CHS). Uhlobo ngalunye lwesigaba esingenalutho lunezimfanelo zalo futhi lufeza injongo ethile. Izingxenye ezingenalutho zensimbi eziqinile zisezigabeni ezibandayo nezishisayo eziqediwe, i-S275 kanye ne-S355. Izingxenye ezingenalutho zensimbi eziqinile zivame ukusetshenziswa ezindaweni eziningi zokwakha kanye nezinhlelo zokusebenza zemishini, lapho zisetshenziswa khona njengozimele, amakholomu, izinsimbi zokubiyela kanye nemishayo.
Amazinga kanye nebanga lensimbi yezingxenye zensimbi ezingenalutho
| Amazinga | GB/T3091 GB/T13973 | I-API 5L I-ASTM A53 | I-ISO65 | BS1387 EN10219 | I-DIN2440 | I-JIS G3444 |
| Okulinganayo ibanga lensimbi | Q195 | GR.A | √ | S195 | S195 | - |
| Q235 | GR.B | - | S235 | - | I-STK400 | |
| Q355 | GR.C | - | S355 | - | I-STK490 |
Izakhiwo zamakhemikhali zezingxenye ezingenalutho ezakhiweni
| Isigaba esingenalutho sensimbi encane Ukwakheka kwamakhemikhali, Isisindo ≤16mm | |||||||||||
| Okujwayelekile | Ibanga lensimbi | C (ubuningi.)% | I-Si (ubuningi.)% | Mn (ubuningi.)% | I-P (ubuningi.)% | I-S (ubuningi.)% | I-Cr (ubuningi.)% | Ni (ubuningi.)% | I-Cu (ubuningi.)% | I-N (ubuningi.)% | I-CEV (ubuningi.)% |
| 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 |
Izakhiwo zemishini zezingxenye ezingenalutho zensimbi ethambile ezakhiweni
| Izakhiwo zemishini, i-WT≤16mm | |||
| Okujwayelekile | Inzuzo encane amandla I-MPa | Amandla okudonsa I-MPa | Ukwandiswa okuncane % |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T1591—2018 | 355 | 470-630 | 20 |
Izingxenye ezingenalutho zensimbi ethambile ye-Youfa brand galvanised
1. Isigaba sensimbi esingenalutho esigayiwe
2. Isigaba sensimbi esingenalutho se-RHS SHS
Isikhathi sokuthunyelwe: Julayi-25-2025