ʻO HSS ke ʻano o ka ʻāpana kila hakahaka. ʻO ka ʻāpana kila hakahaka (HSS) ua hana wale ʻia me ke kila kūkulu e like me ke code. Hoʻololi mālie ʻia ka papa kila pālahalaha i nā ʻano like ʻole ma ka hoʻopili ʻana i nā kihi e like me ka poepoe a i ʻole ka pōʻai, elliptical, square, a me ka rectangular i ka wā o ke kaʻina hana. ʻO nā ʻāpana kila huinahā a me nā rectangular i kekahi manawa i kapa ʻia he kila paipu a i ʻole nā ʻāpana pahu.
ʻĀpana hakahaka kila akahai kūʻai wela ʻo Youfa
ʻO nā ʻāpana hakahaka kila māmā, i ʻike ʻia hoʻi he paipu kila kūkulu a i ʻole nā ʻāpana kūkulu hakahaka, he ʻano kila i hana ʻia i loko o kahi ʻāpana tubular hakahaka. Ua hoʻokaʻawale ʻia nā ʻāpana hakahaka kila māmā i ʻekolu mau ʻano nui: nā ʻāpana hakahaka huinahā (RHS), nā ʻāpana hakahaka huinahā (SHS) a me nā ʻāpana hakahaka pōʻai (CHS). Loaʻa i kēlā me kēia ʻano ʻāpana hakahaka kona mau ʻano ponoʻī a lawelawe i kahi kumu kikoʻī. Aia nā ʻāpana hakahaka kila māmā i nā papa i hoʻopau ʻia i ke anu a me ka wela, S275 a me S355. Hoʻohana pinepine ʻia nā ʻāpana hakahaka kila māmā i nā hana kūkulu a me nā hana mechanical he nui, kahi e hoʻohana ʻia ai lākou e like me nā mōlina, nā kolamu, nā pale a me nā kaola.
Nā kūlana a me ke kila kila o nā ʻāpana hakahaka kila
| Nā Kūlana | GB/T3091 GB/T13973 | API 5L ASTM A53 | ISO65 | BS1387 EN10219 | DIN2440 | JIS G3444 |
| like papa kila | Q195 | GR.A | √ | S195 | S195 | - |
| Q235 | GR.B | - | S235 | - | STK400 | |
| Q355 | GR.C | - | S355 | - | STK490 |
Nā waiwai kemika o nā ʻāpana hakahaka kūkulu
| ʻĀpana hakahaka kila akahai, WT≤16mm | |||||||||||
| Kūlana Maʻamau | Papa kila | C (max.)% | Si (max.)% | Mn (max.)% | P (max.)% | S (max.)% | Cr (max.)% | Ni (max.)% | Cu (max.)% | N (max.)% | CEV (max.)% |
| 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 |
Nā waiwai mechanical o nā ʻāpana hakahaka kila akahai kūkulu
| Nā waiwai mechanical, WT≤16mm | |||
| Kūlana Maʻamau | Ka loaʻa kālā haʻahaʻa loa ikaika MPa | Ikaika tensile MPa | Ka hoʻolōʻihi iki ʻana % |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T1591—2018 | 355 | 470-630 | 20 |
ʻO ka brand Youfa galvanized kila akahai nā ʻāpana hakahaka
1. ʻĀpana kila hakahaka galvanized
2. ʻĀpana kila hakahaka RHS SHS Galvanized
Ka manawa hoʻouna: Iulai-25-2025