HSS imatanthauza gawo lachitsulo lopanda kanthu. Gawo lachitsulo lopanda kanthu (HSS) limapangidwa ndi chitsulo chomangira chokha pa code iliyonse. Chitsulo chosalala chimasinthidwa pang'onopang'ono kukhala mawonekedwe osiyanasiyana polumikiza m'mbali monga zozungulira kapena zozungulira, zozungulira, zazikulu, ndi zamakona anayi panthawi yopanga. Zitsulo zozungulira ndi zamakona anayi nthawi zina zimatchedwa zigawo zachitsulo kapena mabokosi.
Youfa yogulitsa yotentha yofatsa chitsulo chosapanga dzimbiri
Zigawo zopanda kanthu zachitsulo, zomwe zimadziwikanso kuti chubu chachitsulo chomangidwa kapena zigawo zopanda kanthu zachitsulo, ndi mtundu wa chitsulo chomwe chimapangidwa kukhala gawo lopanda kanthu la tubular. Zigawo zopanda kanthu zachitsulo zomangidwa zimagawidwa m'magulu atatu akuluakulu: zigawo zopanda kanthu zamakona anayi (RHS), zigawo zopanda kanthu zamakona anayi (SHS) ndi zigawo zopanda kanthu zozungulira (CHS). Mtundu uliwonse wa gawo lopanda kanthu uli ndi makhalidwe ake ndipo umagwira ntchito yakeyake. Zigawo zopanda kanthu zachitsulo zomangidwa pang'ono zili m'magulu ozizira komanso otentha, S275 ndi S355. Zigawo zopanda kanthu zachitsulo zomangidwa pang'ono zimagwiritsidwa ntchito kwambiri popanga ndi kugwiritsa ntchito makina ambiri, komwe zimagwiritsidwa ntchito ngati mafelemu, zipilala, njanji ndi matabwa.
Miyezo ndi kalasi yachitsulo ya magawo opanda kanthu achitsulo
| Miyezo | GB/T3091 GB/T13973 | API 5L ASTM A53 | ISO65 | BS1387 EN10219 | DIN2440 | JIS G3444 |
| Chofanana kalasi yachitsulo | Q195 | GR.A | √ | S195 | S195 | - |
| Q235 | GR.B | - | S235 | - | STK400 | |
| Q355 | GR.C | - | S355 | - | STK490 |
Mankhwala a zigawo za Hollow
| Chitsulo chofewa chopanda kanthu, Kulemera ≤16mm | |||||||||||
| Muyezo | Kalasi yachitsulo | C (yochuluka.)% | Si (max.)% | Mn (yochuluka)% | P (yochuluka.)% | S (yokwera kwambiri)% | Cr (yowonjezera)% | Ni (zochuluka.)% | Cu (yowonjezera.)% | N (yochuluka.)% | CEV (yowonjezera)% |
| 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 |
Kapangidwe ka makina a chitsulo chofewa chachitsulo chofewa
| Katundu wa makina, WT≤16mm | |||
| Muyezo | Zokolola zochepa mphamvu MPa | Kulimba kwamakokedwe MPa | Kutalikirana kochepa % |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T1591—2018 | 355 | 470-630 | 20 |
Gawo la Youfa lopangidwa ndi chitsulo chofewa chopanda kanthu
1. Gawo lachitsulo lopanda kanthu lopangidwa ndi galvanized
2. Gawo lachitsulo chopanda kanthu la RHS SHS
Nthawi yotumizira: Julayi-25-2025