ʻO Q355/Q355B Carbon Steel H-Beam i hoʻopilikino ʻia no ke kūkulu ʻana i ka nui o ke kumukūʻai kūʻai nui, ʻokiʻoki kūlou ʻana i loaʻa
ʻO ka H Beam i ʻōwili wela ʻiaʻO ka ʻāpana kea he pūnaewele (ka ʻāpana kikowaena kū pololei) a me nā flanges (nā ʻāpana moe ma kēlā ʻaoʻao kēia ʻaoʻao). Loaʻa i nā flanges nā ʻili kūloko a me waho like, a ʻo ke ʻano o ka hoʻololi ʻana i ka pūnaewele he ʻano piʻo. Hāʻawi kēia hoʻolālā i nā pono penei:
Ikaika ikaika o ka flexuralHoʻonui nui ka modulus ʻāpana kiʻekiʻe i ka hiki ke halihali i nā ukana o nā I-beams kuʻuna a me nā kahawai ma ke kaumaha like.
Paʻa kūkulu kiʻekiʻeʻO ka laulā like o ka flange e hāʻawi i ka ʻoʻoleʻa ʻaoʻao maikaʻi loa, e kūpono ai no ke kākoʻo ʻana i nā ukana bidirectional.
Ka pono o nā mea hana kiʻekiʻeUa hoʻemi ʻia ka pilikia o ka hoʻonui ʻia ʻana o ke koʻikoʻi e pili ana i nā ʻāpana kila kuʻuna, e mālama ana i ka 10% a i 30% o ke kila.
| ʻElemene | ʻIke (%) |
| Kalapona (C) | ≤ 0.20–0.24 |
| Silika (Si) | ≤ 0.55 |
| Manganese (Mn) | ≤ 1.60 |
| ʻO ka phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Nb + V + Ti | ≤ 0.12 |
| Chromium (Cr) | ≤ 0.30 |
| Nikala (Ni) | ≤ 0.50 |
Ikaika Hua (MPa)
| Mānoanoa (mm) | Ikaika Hāʻawi |
| ≤ 16 | ≥ 355 |
| 16 – 40 | ≥ 345 |
| 40 – 63 | ≥ 335 |
| 63 – 80 | ≥ 325 |
| 80 – 100 | ≥ 315 |
| 100 – 150 | ≥ 305 |
| 150 – 200 | ≥ 285 |
Ikaika Hoʻopaʻa (MPa)
| Pae Mānoanoa | Ikaika Hoʻopaʻa |
| ≤ 80 mm | 470 – 630 |
| 80 – 150 mm | 450 – 600 |
| ≥ 150 mm | 450 – 600 |
Hoʻolōʻihi
| Waiwai | Waiwai |
| Hoʻolōʻihi (%) | ≥ 21–22 |
Hoʻāʻo hopena (Pae Q355B)
| Mea | Koi |
| Mahana Hoʻāʻo | 20°C |
| Ikehu hopena | ≥ 27 J |
Nā Papa Kila Kūlike
| Kūlana Maʻamau | Papa like |
| EN | S355JR |
| ASTM | A572 Gr.50 |
ʻO ka H Beam i ʻōwili wela ʻiaʻO ka ʻāpana kea he pūnaewele (ka ʻāpana kikowaena kū pololei) a me nā flanges (nā ʻāpana moe ma kēlā ʻaoʻao kēia ʻaoʻao). Loaʻa i nā flanges nā ʻili kūloko a me waho like, a ʻo ke ʻano o ka hoʻololi ʻana i ka pūnaewele he ʻano piʻo. Hāʻawi kēia hoʻolālā i nā pono penei:
Ikaika ikaika o ka flexuralHoʻonui nui ka modulus ʻāpana kiʻekiʻe i ka hiki ke halihali i nā ukana o nā I-beams kuʻuna a me nā kahawai ma ke kaumaha like.
Paʻa kūkulu kiʻekiʻeʻO ka laulā like o ka flange e hāʻawi i ka ʻoʻoleʻa ʻaoʻao maikaʻi loa, e kūpono ai no ke kākoʻo ʻana i nā ukana bidirectional.
Ka pono o nā mea hana kiʻekiʻeUa hoʻemi ʻia ka pilikia o ka hoʻonui ʻia ʻana o ke koʻikoʻi e pili ana i nā ʻāpana kila kuʻuna, e mālama ana i ka 10% a i 30% o ke kila.
Nā palena
| Inoa huahana | H ʻōwili wela-Kukui |
| Papa | Q235B, Q355B, SS400, ST37, SS41, A36, A992 H Beam a pēlā aku |
| ʻAno | Kūlana GB, Kūlana ʻEulopa, ASTM |
| Ka nui | 1. Ka laulā o ka pūnaewele (H): 100-900mm 2. Ka laulā o ka flange (B): 100-300mm 3. Mānoanoa o ka Pūnaewele (t1): 5-30mm 4. Mānoanoa o ka Flange (t2): 5-30mm |
| Ka lōʻihi | Maʻamau 6m a me 12m a i ʻole e like me ke koi a ka mea kūʻai aku |
| Nā Nui Maʻamau | 6*12, 12*16, 14*22, 16*26 |
| Noi | Hoʻohana nui ʻia i nā ʻano hale like ʻole, nā alahaka, nā kaʻa, nā bracker, nā mīkini etc. |
| Hoʻopili ʻana | Hoʻokuʻu aku i ka hoʻopili maʻamau a i ʻole e like me ke koi a nā mea kūʻai aku |
Nā Hiʻohiʻona
H Beam SteelHe ʻano hoʻokele waiwai ia me ke ʻano ʻāpana like me ka leka Latin nui h, i ʻike ʻia hoʻi he mau kaola kila honua, nā kaola I flange ākea a i ʻole nā kaola I flange like. ʻO ka ʻāpana o ke kila ʻano H e komo pinepine i ʻelua ʻāpana: ka pūnaewele a me ka flange, i kapa ʻia hoʻi he pūhaka a me ka lihi. ʻOi aku ka liʻiliʻi o ka mānoanoa o ka pūnaewele o ke kila ʻano H ma mua o nā kaola I maʻamau me ke kiʻekiʻe pūnaewele like, a ʻoi aku ka laulā o ka flange ma mua o nā kaola I maʻamau me ke kiʻekiʻe pūnaewele like, no laila ua kapa ʻia hoʻi he mau kaola I flange ākea.
Noi
Nā kukuna H, ma muli o ko lākou pono kiʻekiʻe a me ke kumukūʻai kūpono, ua lilo i mea nui no nā hale kila hou a hoʻohana nui ʻia i:
Kūkulu ʻanaNā hale hana ʻoihana, nā hale kiʻekiʻe, a me nā wahi ākea (e like me nā kahua mokulele a me nā kahua pāʻani);
ʻEnekinia AlahakaNā kaola nui a me nā pou no nā alahaka kaʻaahi a me nā alaloa nui, ʻoiai hoʻi nā hale kila ākea nui;
Hana ʻana i nā Mīkini: Nā mōlina lako kaumaha, nā kaola ala crane, nā keel moku, a pēlā aku;
Nā ʻOihana Ikehu a me nā KemikaNā kahua kila, nā hale kiaʻi, nā uapo, a me nā hale ʻoihana ʻē aʻe.
1. He aha kāu mau kumukūʻai?
Hiki ke loli kā mākou kumukūʻai ma muli o ka lako a me nā kumu mākeke ʻē aʻe. E hoʻouna aku mākou iā ʻoe i kahi papa inoa kumukūʻai hou ma hope o ka hoʻokaʻaʻike ʻana o kāu ʻoihana
mākou no ka ʻike hou aku.
2. Loaʻa iā ʻoe kahi nui kauoha liʻiliʻi loa?
ʻAe, koi mākou i nā kauoha honua āpau e loaʻa kahi nui o ke kauoha liʻiliʻi loa. Inā ʻoe e ʻimi nei e kūʻai hou aku akā ma nā nui liʻiliʻi loa, paipai mākou iā ʻoe e nānā i kā mākou pūnaewele.
3. Hiki iā ʻoe ke hoʻolako i nā palapala pili?
ʻAe, hiki iā mākou ke hāʻawi i ka hapa nui o nā palapala e pili ana i nā Palapala Hōʻoia / Kūlike; ʻInikua; Kumu, a me nā palapala hoʻokuʻu aku ʻē aʻe inā pono.
4. He aha ka awelika o ka manawa alakaʻi?
No nā laʻana, ʻo ka manawa alakaʻi ma kahi o 7 mau lā. No ka hana nui ʻana, ʻo ka manawa alakaʻi he 5-20 mau lā ma hope o ka loaʻa ʻana o ka uku waiho. E lilo nā manawa alakaʻi i mea kūpono i ka wā
(1) ua loaʻa iā mākou kāu waihona, a (2) ua loaʻa iā mākou kāu ʻae hope loa no kāu mau huahana. Inā ʻaʻole kūlike kā mākou mau manawa alakaʻi me kāu lā palena, e ʻoluʻolu e nānā i kāu mau koi me kāu kūʻai aku. I nā hihia āpau e hoʻāʻo mākou e hoʻokō i kāu mau pono. I ka hapa nui o nā hihia hiki iā mākou ke hana pēlā.
5. He aha nā ʻano uku āu e ʻae ai?
30% ma mua e T/T, 70% ma mua o ka hoʻouna ʻana ma FOB; 30% ma mua e T/T, 70% e kūʻē i ke kope o BL kumu ma CIF.
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