Tsitsani Mafotokozedwe ndi Miyeso Yatsopano ya Chitsulo cha Chitsulo.
GB Standard Q195, Q215, Q235, Q275, Q345 Carbon Structural Steel Bars – Chitsulo champhamvu kwambiri, chosavuta kuchikonza pa ntchito yomanga ndi makina
Kuyerekeza kwa Kapangidwe ka Mankhwala a National Standard Carbon Structural Steel Bars (%)
| Zinthu Zofunika | C | Si | Mn | P | S | Kufotokozera |
| Q195 | 0.12-0.20 | ≤0.30 | 0.30-0.60 | ≤0.045 | ≤0.045 | Chitsulo chotsika cha kaboni: mphamvu yochepa, yosavuta kuikonza |
| Q215 | 0.12-0.20 | ≤0.30 | 0.30-0.60 | ≤0.045 | ≤0.045 | Chitsulo cha kaboni chogwiritsidwa ntchito nthawi zonse: mphamvu yapakati |
| Q235 | 0.14-0.22 | ≤0.30 | 0.30-0.70 | ≤0.045 | ≤0.045 | Chitsulo chomangidwa chomwe chimagwiritsidwa ntchito kwambiri: kusinthasintha bwino |
| Q275 | 0.16-0.22 | ≤0.30 | 0.30-0.80 | ≤0.045 | ≤0.045 | Chitsulo chapakati cha kaboni: mphamvu yokwera, yoyenera zigawo zonyamula katundu |
| Q345 | 0.18-0.20 | ≤0.50 | 1.00-1.50 | ≤0.035 | ≤0.035 | Chitsulo cholimba kwambiri cha alloy: choyenera nyumba zazikulu ndi milatho |
Zolemba:
1. Kuchepa kwa P ndi S kunapangitsa kuti chitsulocho chikhale cholimba komanso chosasunthika.
2.Q345 ndi mtundu wa chitsulo cholimba kwambiri chomwe sichili ndi aloyi wambiri, zonse zili ndi mphamvu zambiri kuposa Q235 ndi Q275.
3. Kuchulukitsa mpweya mu chitsulo kumawonjezera kuuma komanso kuthekera kwa makina.
Kuyerekeza kwa Mndandanda wa Makhalidwe a Makina a Mipiringidzo ya Chitsulo cha Carbon Yokhazikika ya Dziko Lonse
| Zinthu Zofunika | Mphamvu Yotulutsa σ y (MPa) | Mphamvu Yokoka σ b (MPa) | Kutalika δ5 (%) | Ntchito Yachizolowezi |
| Q195 | 195 | 315-430 | ≥26 | Zigawo zomangira zolimba komanso zida zamakanika |
| Q215 | 215 | 345-480 | ≥25 | Zigawo zonse zamakina ndi nyumba zopepuka |
| Q235 | 235 | 375-500 | ≥23 | Nyumba zomangira, milatho, ndi zida zamakanika |
| Q275 | 275 | 410-540 | ≥21 | Nyumba zonyamula katundu wapakatikati ndi zida zamakina auinjiniya |
| Q345 | 345 | 470-630 | ≥20 | Milatho, zombo, nyumba zolemera, ndi zida zonyamula katundu wamphamvu kwambiri |
Mafotokozedwe Athunthu a Chitsulo Chozungulira cha National Standard Carbon Structural Round Steel (Q195–Q345)
| M'mimba mwake (mm / mu) | Kutalika (m / ft) | Kulemera pa mita imodzi (kg/m2) | Kulemera Koyerekeza (kg) | Zolemba |
| 20 mm / 0.79 inchi | 6 m / 20 ft | 2.56 kg/m2 | 750–950 | |
| 25 mm / 0.98 mainchesi | 6 m / 20 ft | 3.99 kg/m2 | 1,050–1,350 | Kutha kupotoka bwino, kugwiritsa ntchito kapangidwe kake |
| 30 mm / 1.18 inchi | 6 m / 20 ft | 5.76 kg/m2 | 1,600–2,000 | Kapangidwe kake ndi kupanga |
| 32 mm / 1.26 inchi | 12 m / 40 ft | 6.16 kg/m2 | 2,000–2,400 | Kapangidwe ka ntchito yapakatikati |
| 40 mm / 1.57 mainchesi | 6 m / 20 ft | 9.95 kg/m2 | 2,700–3,200 | Makina ndi matabwa a mafakitale |
| 50 mm / 1.97 mainchesi | 6–12 m / 20–40 ft | 15.52 kg/m2 | 4,000–4,700 | Zigawo zonyamula katundu |
| 60 mm / 2.36 mainchesi | 6–12 m / 20–40 ft | 22.34 kg/m | 5,500–6,200 |
Dinani batani la kumanja
| Gulu Losinthira Makonda | Zosankha | Kufotokozera / Zolemba |
| Miyeso | M'mimba mwake, Utali | Chidutswa: Ø10–Ø100 mm (ikhoza kusinthidwa); Kutalika: 6 m / 12 m kapena kudulidwa kutalika malinga ndi zofunikira pa polojekiti |
| Kukonza | Kudula, Kukonza Ulusi, Kupinda, Kukonza Machining | Mipiringidzo imatha kudulidwa, kupindidwa, kupindika, kubooledwa ndi kupangidwa ndi makina malinga ndi zojambula kapena zofunikira pakugwiritsa ntchito. |
| Chithandizo cha Pamwamba | Zakuda, Zoviikidwa ndi Mafuta, Zopaka, Zopakidwa utoto | Sankhani zogwiritsidwa ntchito mkati/kunja komanso zoteteza dzimbiri. |
| Kuwongoka ndi Kulekerera | Muyezo / Kulondola | Kuwongoka ndi kulekerera kwa miyeso kumatha kulamulidwa ngati pakufunika |
| Kulemba ndi Kuyika Mapaketi | Zolemba Zapadera, Nambala Yotentha, Kutumiza Zinthu Kunja | Zolemba: kukula, mtundu (ASTM A572 mtundu 50), nambala ya kutentha; yopakidwa m'matumba okhala ndi zingwe zachitsulo, yabwino kwambiri yotumizira zidebe kapena kutumiza kwanuko. |
Zolemba Zowonjezeredwa ku Umboni:
Chitsulo Chaching'ono Chozungulira (6–25mm): chogwiritsidwa ntchito pa zida zamakina, maboliti, ndi zigawo za shaft;
Chitsulo Chozungulira Chapakati (25–200mm): chogwiritsidwa ntchito kwambiri m'mapangidwe a nyumba, milatho ndi zida zamakina aukadaulo;
Q345 ndi chitsulo cholimba kwambiri chomwe chili ndi mphamvu zambiri kuposa Q235 ndi Q275, chomwe chimagwiritsidwa ntchito pochigwiritsa ntchito mwamphamvu kwambiri;
Deta yomwe ili m'matebulo ikugwirizana ndi miyezo ya GB/T 699-1999 (Carbon Structural Steel) ndi GB/T 700-2006 (Low-alloy High-strength Steel).
Zothandizira Kapangidwe
Matabwa, zipilala, ma baseplates, mabraketi, ndi zinthu zina zonyamula katundu zomwe zimafunika mphamvu ndi kulimba.
Kapangidwe ka Zitsulo ndi Nyumba
Nyumba zopepuka mpaka zolemera zachitsulo zogwiritsidwa ntchito m'mafakitale, milatho, malo ogwirira ntchito, nyumba zosungiramo katundu ndi zinthu zina zomangira.
Zida ndi Zipangizo
Mafelemu, zomangira, mipata ndi zida zamakanika zomwe zimafuna mphamvu ndi kulimba.
Zopangidwa ndi Zitsulo Zopangidwa
Zosefera ndi mbale zosefera zomwe zimagwiritsidwa ntchito popanga zinthu, mafakitale komanso kupanga zinthu zambiri.
1. Njira Zokonzera
Kumanga ndi Kumanga Mipiringidzo yachitsulo imamangidwa m'mipiringidzo malinga ndi kukula ndi kutalika komwe kumagwiritsidwa ntchito pogwiritsa ntchito zingwe zachitsulo kapena pulasitiki, kuti zikhale zosavuta kunyamula, kunyamula ndi kutsitsa.
Thandizo la Pallet Yamatabwa: Mipiringidzo yachitsulo yapakati mpaka yayikulu imathandizidwa ndi mapallet amatabwa kuti ateteze bar kuti isagwedezeke kapena kupindika.
Chinyezi ndi dzimbiri: Pamwamba pake pamapopedwa mafuta oletsa dzimbiri kapena kutsekedwa ndi filimu yoletsa chinyezi. Mankhwala oyeretsera madzi amaikidwa m'mabokosi kuti ateteze ku chinyezi ndi dzimbiri panthawi yonyamula.
Kusintha: Kudula kutalika, kuteteza manja, kapena kulongedza mwapadera ngati kasitomala akufuna.
2. Njira Zoyendera
Mayendedwe a Mumsewu: Ndi abwino kunyamula patali kapena kutumiza kumalo omangira.
Zitsulozo zimamangidwa mwamphamvu kuti zisagubuduzidwe ndi kugwa nthawi yomweyo kuti zifike pamalo otetezeka.
Mayendedwe a Sitima: Amagwiritsidwa ntchito potumiza zitsulo kutali kwambiri.
Kunyamula katundu yense wa galimoto, mafelemu othandizira, zingwe zachitsulo zomangira bwino katundu yense wa galimoto, mafelemu othandizira zingwe zonse za galimoto yomangira bwino katundu yense wa galimoto, mafelemu othandizira zingwe zonse za galimoto yomangira bwino katundu yense wa galimoto.
Kuyendera m'nyanja: Koyenera kutumiza zitsulo kunja / kutumiza katundu mtunda wautali.
Makontena, katundu wambiri kapena zotengera zotseguka pamwamba - titha kusinthasintha malinga ndi mtundu wa katundu wanu komanso doko lomwe mukupita.
3. Ubwino
Zitsulozo zimaphikidwa ndi nthunzi, zimatsukidwa ndi madzi, zimaumitsidwa, zimapakidwa mafuta ndikukulungidwa ndi mapepala angapo a pepala asanakulungidwe ndi matepi kuti agwire zonse pamodzi.
Ma phukusi osiyanasiyana oyendera amaphatikiza magwiridwe antchito ndi chitetezo cha zinthu zapakhomo komanso zapadziko lonse lapansi.
Mgwirizano wokhazikika ndi makampani otumiza katundu monga MSK, MSC, COSCO ndi unyolo wautumiki wothandiza pa logistics, komanso unyolo wautumiki wothandiza pa logistics ndi zomwe tikukukhutiritsani.
Timatsatira miyezo ya ISO9001 yoyendetsera bwino machitidwe onse, ndipo tili ndi ulamuliro wokhwima kuyambira kugula zinthu zolongedza mpaka kukonza nthawi yoyendera magalimoto. Izi zimatsimikizira kuti ma H-beams akuchokera ku fakitale mpaka kumalo a polojekiti, kukuthandizani kumanga pamaziko olimba a polojekiti yopanda mavuto!
1. Kodi mungapeze bwanji mtengo wa zitsulo?
Mutha kulankhulana nafe kudzera pa imelo, imelo, kapena foni pa intaneti. Tidzakupatsani mtengo ndi zambiri zokhudza kutumiza katundu mwachangu momwe tingathere.
2. Kodi mungapereke zitsanzo?
Zachidziwikire. Zitsanzo nthawi zambiri zimakhala zaulere (zazing'ono kapena zochepa). Tikhozanso kupanga malinga ndi zitsanzo kapena zojambula za makasitomala.
3. Kodi miyezo ndi zipangizo zotani zopangira zitsulo ndi ziti?
Muyezo wa Chitchaina (GB): Q195, Q215, Q235, Q275, Q345
Muyezo wa ku Ulaya (EN): C15, C22, C45, 42CrMo4
Muyezo wa ku America (ASTM/AISI): 1018, 1045, 4140
Zipangizo zoyenera zitha kusankhidwa malinga ndi zofunikira za polojekiti.
4. Kodi nthawi yoperekera zitsulo ndi nthawi yanji?
Zomwe zilipo: Nthawi zambiri masiku 3-7 kuti ziperekedwe
Kupanga mwamakonda: Nthawi zambiri masiku 15-30 otumizira, kutengera zinthu, mainchesi, ndi kutalika
5. Kodi njira zolipirira ndi ziti?
Njira zolipirira zomwe anthu ambiri amagwiritsa ntchito: T/T (kutumiza uthenga), PayPal imapezeka m'madera ena. 6. Kodi zitsulo zingadulidwe kapena kusinthidwa malinga ndi kutalika kwake?
Inde. Timapereka ntchito zodula ndi kusintha malinga ndi zomwe mukufuna, ndipo timaperekanso chithandizo cha pamwamba monga kutsuka, kupaka utoto, ndi mafuta oletsa dzimbiri.
7. Kodi njira zoyendera zitsulo ndi ziti?
Kuyendera pamsewu: Kutumiza patali kapena pamalopo
Kuyendera sitima: Kuyendera kwakukulu kwapakati mpaka kutali
Kuyenda panyanja: Kutumiza kunja kapena katundu wolemera mtunda wautali
Mapaketi olimba, osanyowa komanso osachita dzimbiri, kuonetsetsa kuti katunduyo watumizidwa bwino.
8. Kodi ubwino wa zitsulo umatsimikizika bwanji?
Yopangidwa motsatira miyezo ya dziko (GB), miyezo ya ku Ulaya (EN), ndi miyezo ya ku America (ASTM)
Satifiketi ya zinthu (Mill Test Certificate, MTC) yoperekedwa
Kuyang'anira kukula, katundu wa makina, ndi malo ozungulira zinthu kunachitika asanatuluke mufakitale.
Tsatanetsatane Wolumikizirana
Adilesi
Malo oyendetsera chitukuko cha Kangsheng,
Chigawo cha Wuqing, mzinda wa Tianjin, China.
Maola
Lolemba-Lamlungu: Utumiki wa maola 24










