Ko te tikanga o te HSS he wāhanga maitai tuwhera. Ko te wāhanga maitai tuwhera (HSS) he mea hanga noa iho i te maitai hanganga e ai ki te waehere. Ka hurihia haeretia te pereti maitai papatahi ki ngā āhua rerekē mā te whakarewa i ngā taha pērā i te porowhita, te porowhita rānei, te porowhita, te tapawhā, me te tapawhā i te wā o te tukanga hanga. Ko ngā wāhanga maitai tuwhera tapawhā me te tapawhā ka kiia i ētahi wā he maitai ngongo, he wāhanga pouaka rānei.
Hoko wera a Youfa i te wāhanga tuwhera maitai ngawari
Ko ngā wāhanga rino ngāwari, e mōhiotia ana ko te ngongo rino hanganga, ko ngā wāhanga hanganga tuwhera rānei, he momo rino kua hangaia hei wāhanga ngongo tuwhera. E toru ngā momo matua o ngā wāhanga rino ngāwari: ngā wāhanga tapawhā tuwhera (RHS), ngā wāhanga tapawhā tuwhera (SHS) me ngā wāhanga porowhita tuwhera (CHS). He āhuatanga motuhake tō ia momo wāhanga tuwhera, ā, he mahi motuhake tāna. Kei roto i ngā momo whakaotinga makariri me ngā momo whakaotinga wera ngā wāhanga rino ngāwari, S275 me S355. He maha ngā whakamahinga o ngā wāhanga rino ngāwari i roto i ngā mahi hanga me ngā mahi miihini, e whakamahia ana hei anga, hei pou, hei reera me hei kurupae.
Ngā paerewa me te tohu maitai o ngā wāhanga kōhao maitai
| Ngā Paerewa | GB/T3091 GB/T13973 | API 5L ASTM A53 | ISO65 | BS1387 EN10219 | DIN2440 | JIS G3444 |
| ōrite kounga maitai | Q195 | GR.A | √ | S195 | S195 | - |
| Q235 | GR.B | - | S235 | - | STK400 | |
| Q355 | GR.C | - | S355 | - | STK490 |
Ngā āhuatanga matū o ngā wāhanga tuwhera hanganga
| Wāhanga kōhao maitai ngawari Te hanganga matū, Taumaha ≤16mm | |||||||||||
| Paerewa | Te taumata maitai | C (mōrahi)% | Si (mōrahi)% | Mn (mōrahi)% | P (mōrahi)% | S (mōrahi)% | Cr (mōrahi)% | Ni (mōrahi)% | Cu (mōrahi)% | N (mōrahi)% | CEV (mōrahi)% |
| 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 |
Ngā āhuatanga hangarau o ngā wāhanga tuwhera maitai ngawari hanganga
| Ngā āhuatanga miihini, WT≤16mm | |||
| Paerewa | Te hua iti rawa kaha MPa | Te kaha o te kume MPa | Te roanga iti rawa % |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T1591—2018 | 355 | 470-630 | 20 |
Ngā wāhanga kōhao maitai ngawari kua whakakikoruatia e te waitohu Youfa
1. Wāhanga maitai tuwhera kua whakapūmautia
2. RHS SHS Wāhanga maitai kauwhata kua whakapūmautia
Wā tuku: Hurae-25-2025