Alloy Steel Yeeb Nkab, GB T3087 10 #, Seamless Yeeb Nkab, Smls Yeeb Nkab
Ob peb xyoos dhau los, peb lub tuam txhab tau nqus thiab zom cov thev naus laus zis hauv tsev thiab txawv teb chaws. Lub caij no, peb lub tuam txhab ua haujlwm pab pawg kws tshaj lij tau mob siab rau kev txhim kho Alloy Steel Yeeb Nkab, GB T3087 10#, Seamless Yeeb Nkab, Smls Yeeb Nkab, "Zoo pib, Muag tus nqi pheej yig tshaj, Lub tuam txhab zoo tshaj plaws" yuav yog tus ntsuj plig ntawm peb lub koom haum. Peb zoo siab tos txais koj tuaj xyuas peb lub lag luam thiab sib tham txog kev lag luam!
Ob peb xyoos dhau los, peb lub tuam txhab tau nqus thiab zom cov thev naus laus zis hauv tsev thiab txawv teb chaws. Lub caij no, peb lub tuam txhab ua haujlwm ib pab pawg kws tshaj lij tau mob siab rau kev txhim kho ntawmTuam Tshoj Steel thiab Hlau Yeeb Nkab, Aiming kom loj hlob los ntawm qhov deb ntawm cov neeg muag khoom muaj kev paub dhau los hauv cov haujlwm no hauv Uganda, peb khaws kev tshawb fawb txog kev tsim cov txheej txheem thiab tsa cov khoom zoo ntawm peb cov khoom lag luam. Txog tam sim no, cov npe khoom lag luam tau hloov kho tas li thiab nyiam cov neeg siv khoom thoob plaws ntiaj teb. Nyob rau hauv qhov tob cov ntaub ntawv tuaj yeem tau txais hauv peb lub vev xaib thiab koj yuav tau txais kev pabcuam nrog tus kws pab tswv yim zoo los ntawm peb pab pawg tom qab muag. Lawv tab tom yuav ua kom koj tau txais kev lees paub tiav txog peb cov khoom thiab ua kom txaus siab rau kev sib tham. Kev lag luam me xyuas mus rau peb lub Hoobkas hauv Uganda tuaj yeem txais tos txhua lub sijhawm. Cia siab tias yuav tau txais koj cov lus nug kom tau txais kev sib koom tes zoo siab.
Txheej txheem cej luam
Daim ntawv thov
Nws yog tsuas yog siv los ua cov khoom zoo carbon steel, tsis tshua muaj siab nruab nrab siab boiler yeeb nkab, super rhuab chav seamless carbon steel yeeb nkab.
Qib tseem ceeb
Qib ntawm cov khoom zoo carbon steel: 10 #, 20 #
Chemical Component
| Txuj | Qib | Chemical Composition (%) | |||||||
| C | Si | Mn | P | S | Cr | Cu | Ni | ||
| wb 3087 | 10 | 0.07-0.13 Nws | 0.17-0.37 Nws | 0.38-0.65 Nws | ≤ 0.030 | ≤ 0.030 | 0.3-0.65 hli | ≤ 0.25 | ≤ 0.30 |
| 20 | 0.17–0.23 dr hab | 0.17-0.37 Nws | 0.38-0.65 Nws | ≤ 0.030 | ≤ 0.030 | 0.3-0.65 hli | ≤ 0.25 | ≤ 0.30 | |
Mechanical Property
| Txuj | Cov yeeb nkab steel | Phab ntsa thickness | Tensile zog | Yield zog | Elongation |
| wb 3087 | (mm) | (MPa) | (MPa) | % | |
| ≥ | |||||
| 10 | / | 335-475 Ib | 195 | 24 | |
| 20 | 15 | 410-550 Nws | 245 | 20 | |
| ≥15 | 225 | ||||
Ua siab ntev
Permissible deviation ntawm txheej kab ntawm steel hlab
| Hom steel raj | Tso cai sib txawv | ||||||
| Kub dov (extruded, nthuav) steel raj | ± 1.0% D lossis ± 0.50, coj tus lej ntau dua | ||||||
| Cold drawn (dov) steel tube | ± 1.0% D lossis ± 0.30, coj tus lej ntau dua | ||||||
Tso cai sib txawv ntawm phab ntsa thickness ntawm kub dov (extrusion, expansion) steel hlab
Unit: mm
| Hom steel raj | Sab nraud txoj kab uas hla ntawm steel tube | S / D | Tso cai sib txawv | ||||||
| kub dov (extruded) steel raj | ≤ 102 | - | ± 12.5% S lossis ± 0.40, coj tus lej ntau dua | ||||||
| > 102 | ≤ 0.05 | ± 15% S lossis ± 0.40, coj tus lej ntau dua | |||||||
| > 0.05 ~ 0.10 | ± 12.5% S lossis ± 0.40, coj tus lej ntau dua | ||||||||
| > 0.10 | + 12.5% S | ||||||||
| - 10% S | |||||||||
| kub nthuav steel raj | + 15% S | ||||||||
Tso cai sib txawv ntawm phab ntsa thickness ntawm txias drawn (dov) steel hlab
Unit: mm
| Hom steel raj | Phab ntsa thickness | Tso cai sib txawv | ||||||
| Cold drawn (dov) steel tube | ≤ 3 | 15 - 10% S lossis ± 0.15, coj tus lej ntau dua | ||||||
| > 3 | + 12.5% S | |||||||
| - 10% S | ||||||||
Kev Xeem Xeem
Flattening xeem
Cov raj hlau nrog ib txoj kab uas hla sab nraud ntau dua 22 hli thiab txog 400 hli, thiab phab ntsa thickness ntau dua 10 hli yuav tsum tau ua qhov kev ntsuam xyuas flattening. Tom qab cov qauv yog flattened
Khoov xeem
Cov raj hlau uas muaj lub taub sab nraud tsis pub ntau tshaj 22 hli yuav tsum tau txais kev sim khoov. Lub kaum sab xis yog 90o. Lub vojvoog dabtsi yog khoov yog 6 npaug ntawm txoj kab uas hla ntawm lub raj steel.Tom qab khoov cov qauv, tsis muaj fissures lossis kab nrib pleb raug tso cai los tshwm ntawm cov qauv.
Kev ntsuam xyuas macroscopic
Rau cov raj steel ncaj qha los ntawm kev nruam nruam los yog steel ingots, cov neeg muab khoom yuav tsum tau lees tias tsis muaj cov pob dawb, impurities, sub-dog cua npuas, pob txha taub hau thaj ua rau thaj los yog txheej txheej ntawm cov ntoo khaub lig-sectional acid pickled macroscopic cov ntaub so ntswg ntawm billet los yog cev steel.
Kev tshuaj xyuas tsis muaj kev puas tsuaj
Raws li cov neeg xav tau kev thov, uas yog tom qab ntawd sib tham ntawm cov neeg muab khoom thiab xav tau ob tog thiab qhia nyob rau hauv daim ntawv cog lus, ultrasonic flaw detection tej zaum yuav ua ib tug neeg ua rau steel hlab. Lub longitudinal phau ntawv tsis zoo ntawm cov qauv coj mus kuaj yuav tsum ua tau raws li qhov yuav tsum tau ua rau kev soj ntsuam tom qab lees paub qib C8 teev hauv GB / T 5777-1996.
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