700×300 H kukuna Q235B a me Q345B kukuna, I kukuna kila kila Column Universal
1. Aʻo maʻalahi:
ʻO ka H-beam kahi ʻano o ka ʻāpana waiwai a me ka ʻāpana kiʻekiʻe me ka ʻoi aku ka maikaʻi o ka mahele ʻāpana cross-sectional.
ʻoi aku ka maikaʻi o ka ratio ikaika-a-kaumaha. Ua kapa ʻia ʻo ia ma muli o kona ʻāpana like me ka leka Pelekane "H". Mai na wahi a pau o
Hoʻonohonoho ʻia ka H-beam ma nā kihi ʻākau, loaʻa i ka H-beam nā mea maikaʻi o ke kūpaʻa kūlou ikaika, hana maʻalahi,
mālama i ke kumu kūʻai a me ke kaumaha māmā ma nā ʻaoʻao āpau, a ua hoʻohana nui ʻia.
2. Ka Hui Kemika
Papa | Ka Hui Kemika (%) | ||||
C | Si | Mn | P | S | |
Q235B | ≤0.20 | ≤0.35 | ≤1.40 | ≤0.045 | ≤0.045 |
Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 |
Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 |
Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.025 |
3. Pono Mechanical
Papa | Waiwai Mechanical | ||
Ka ikaika hua (N/mm2)/(Mpa) | Ikaika U'i (N/mm2)/(Mpa) | Elongation (%) | |
Q235B | ≥235 | 370-500 | ≥26 |
Q345B | 345 | 470-630 | ≥20 |
Q345C | 345 | 470-630 | ≥21 |
Q345D | 345 | 470-630 | ≥21 |
4. Hōʻike Kiʻi:
5. Hana hou aku:
6. Kiʻekiʻe alapinepine welded H kukuna:
Hoʻohana ʻia ke ʻano alapine kiʻekiʻe e hoʻomehana kūloko i ka ʻili metala, a welded ma lalo o ka hana o ka ikaika o waho, me ka ʻole.
kekahi uea kuʻihao a i ʻole flux, a hiki ke hana mau ʻia i nā mea nui.
1) Ka laulā o nā kikoʻī (ka nui o ka ʻāpana). Hiki ke koho ʻia ke kiʻekiʻe, ka pūnaewele, ka mānoanoa flange a me ka laulā flange e like me ka mea kūʻai aku
nā koi no ka hoʻopili ʻana i ka pā kila. Hiki ke hoʻohana ʻia e like me nā ʻano ʻokoʻa ʻē aʻe ma mua o ka maʻamau o ka H-beam wela.
2) E koho i nā ʻano kila like ʻole. ʻO ka nui o nā kukuna H i ʻōwili wela ʻia ʻo Q235B a me Q345B. I ka wa liʻiliʻi pūʻulu o kūikawā kila mākaʻi
koi ʻia, ʻaʻole hiki i ka mea kanu hana ke hana iā lākou. Hiki i ka welding ke koho i ka pā kila e like me ka mea e pono ai.
3) He kiʻekiʻe ka pololei o ka huahana a me ka maikaʻi o ka ʻili. Ma muli o ke kiʻekiʻe kiʻekiʻe a me ka maikaʻi o ka ʻili o ka huahana pā kila,
ʻo ka H precision ma hope o ke kuʻi ʻana he kiʻekiʻe a maikaʻi hoʻi ka maikaʻi o ka ʻili. ʻO ka ʻokoʻa mānoanoa o nā pā kila (hoʻohana ʻia no ka hoʻopaʻa ʻana i nā kaola H)
ʻO ka maʻamau he mau hapaʻumi kakaikahi o ka millimeter a i kekahi hapaʻumi o ka millimeter, aʻo ka neʻe ʻana o ka mānoanoa o nā kukui H i ʻōwili wela he mau hapaʻumi o kahi.
millimeter a 1 millimeters, ʻo ia ka aneane 10 manawa o ka ʻokoʻa.
4) Hoʻokō paʻa a me ka hoʻonohonoho kūloko maikaʻi. Mai ka hana ʻana o nā papa kila mai ka hoʻoheheʻe ʻana i ka hoʻolei ʻana i ka ʻōwili ʻana
ʻoi aku ka kiʻekiʻe ma mua o nā H-beams wela ) nā hōʻailona hilinaʻi a paʻa.
5) He maʻalahi ka loaʻa ʻana o nā hemahema wiliwili. ʻOiai he nui nā pōmaikaʻi i ʻōlelo ʻia ma luna, ma muli o ka hoʻokumu ʻana o ka welding, aia ke koena welding
ʻO ke koʻikoʻi wela ma ka wahi kuʻi, ʻokoʻa ke ʻano o ka wahi kuʻi, a aia ke koʻikoʻi o ka hoʻolālā, kahi mea e pili ana i nā hemahema.
Me ka hoʻomau mau ʻana o ka pae welding a me ka pae mālama wela, ua hoʻemi iki ʻia kēia mau hemahema. I kēia lā, welded kiʻekiʻe
Ua hoʻohana ʻia nā H-beams ma nā ʻano hana like ʻole me ka ʻoihana koa a me ka aerospace.