ST14 txias- dov steel coils yog dab tsi?
ST14 txias-rolled steelcoils yog qis-carbon, siab-plasticity txias- dov steel khoom, ua los ntawm pickling kub- dov steel coils kom tshem tawm nplai, ua raws li los ntawm txias dov thiab annealing nyob rau hauv chav tsev kub - ib tug txheej txheem uas txhim kho nto smoothness, dimensional precision, thiab mechanical zog} piv rau kub {{5}. Tshwj xeeb yog tsim los rau kev ua haujlwm zoo sib xws uas cov qib hlau zoo tib yam yuav tawg lossis tawg, ST14 coils muaj qhov sib npaug ntawm qhov sib npaug, lub zog, thiab qhov zoo ntawm qhov chaw, ua rau lawv zoo tagnrho rau kev ua haujlwm siab - cov xwm txheej raug tsim.
| Khoom muag |
Cold Rolled Steel Chev CR Coil ST14 |
| Txuj |
IB STEEL, HBIS Group, Bao Steel Thiab lwm yam |
| Dav |
1000mm, 1219mm, 1250mm |
| Thickness |
0.40mm-2.0 hli |
| Ua siab ntev |
Thickness: +/- 0.02 hli; Dav: +5/-0mm |
| Coil Nyhav |
Kwv yees li 4-7 MT |
| Coil ID |
508MM los yog 610MM |
| Pob |
Txheem Hiav Txwv Tsim Nyog Export Pob |
| Daim ntawv thov |
Khoom siv hauv tsev, khoom siv hauv tsev, tsheb, fais fab, kev sib txuas lus, thiab lwm yam |
| Kev xa khoom |
25-30 Hnub |
Alternative Names, Standards, thiab Equivalents
| Standard Organization | Qib / Qib | Lub teb chaws / cheeb tsam ntawm Keeb Kwm | Lus Ceeb Toom/Remarks |
|---|---|---|---|
| UNS | G10080 | Teb chaws USA | Ze tshaj sib npaug rau DC04 |
| AISI/SAE | 1008 | Teb chaws USA | Cov kev sib txawv me me |
| ASTM | A1008 | Teb chaws USA | Standard specification rau txias-rolled steel |
| EN | dc04 ua | Teb chaws Europe | Sib sib zog nqus- kos duab zoo steel |
| DIN | St 14 | Lub teb chaws Yelemees | Sib npaug rau DC04 hauv European qauv |
| JIS | SPCC | Nyiv | Cov khoom zoo sib xws tab sis yuav txawv ntawm kev ua |
| ISO | 1008 | Thoob ntiaj teb | General sib npaug nrog cov khoom zoo sib xws |
Cov lus saum toj no qhia txog ntau yam qauv thiab sib npaug rau St14 steel. Txawm hais tias ntau ntawm cov qhab nia no suav tias yog sib npaug, qhov sib txawv me me hauv kev sib xyaw thiab kev ua haujlwm tuaj yeem cuam tshuam rau kev ua haujlwm. Piv txwv li, SPCC (JIS) tej zaum yuav muaj qhov sib txawv me ntsis ntawm cov khoom siv vim qhov txawv ntawm cov txheej txheem tsim khoom, uas tuaj yeem cuam tshuam rau kev xaiv rau cov ntawv thov tshwj xeeb.
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Tshuaj muaj pes tsawg leeg
| Element (Symbol thiab lub npe) | Qhov feem pua (%) |
|---|---|
| C (Carbon) | 0.06 - 0.08 |
| Manganese (Mn) | 0.30 - 0.60 |
| P (phosphorus) | Tsawg dua lossis sib npaug li 0.025 |
| S (Sulfur) | Tsawg dua lossis sib npaug li 0.025 |
| Fe (Hlau) | Tshuav |
Lub ntsiab alloying hauv St14 steel ua lub luag haujlwm tseem ceeb hauv nws cov khoom:
- Cov pa roj carbon (C):Cov ntsiab lus tsis tshua muaj carbon zoo txhim kho ductility thiab txo hardness, ua rau cov hlau yooj yim rau kev tsim thiab vuam.
- Manganese (Mn):Txhim kho lub zog thiab toughness, thaum tseem pab nyob rau hauv deoxidation thaum lub sij hawm steelmaking.
- Phosphorus (P):Nyob rau hauv me me, nws tuaj yeem txhim kho machinability tab sis kuj tuaj yeem ua rau brittleness yog tias muaj nyob rau hauv ntau dua.
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Mechanical Properties
| Khoom | Xwm txheej/Tswv yim | Tus nqi / Ntau Yam (Metric) | Tus nqi / Ntau Yam (Imperial) | Reference Standard for Test Method |
|---|---|---|---|---|
| Tensile zog | Annealed | 270 - 350 MPa | 39 - 51 tsi | ASTM E8 |
| Yield zog (0.2% offset) | Annealed | 150 - 220 MPa | 22 - 32 tsi | ASTM E8 |
| Elongation | Annealed | 30 - 40% | 30 - 40% | ASTM E8 |
| Hardness (Brinell) | Annealed | 80 - 100 HB | 80 - 100 HB | ASTM E10 |
| Impact Strength (Charpy) | -20 degree | 30 - 50 J | 22 - 37 ft -lbf | ASTM E23 |
Cov khoom siv hluav taws xob ntawm St14 steel ua rau nws haum rau cov ntawv thov uas xav tau kev tsim tau zoo thiab lub zog nruab nrab. Nws lub zog tensile thiab lub zog tawm los yog txaus rau ntau yam kev siv, thaum nws elongation qhia tau zoo heev ductility, tso cai rau deformation tseem ceeb thaum lub sij hawm ua.
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Lub cev muaj zog
| Khoom | Qhov kub thiab txias | Tus nqi (Metric) | Tus nqi (Imperial) |
|---|---|---|---|
| Qhov ntom | - | 7.85 g / cm³ | 0.284 lb/in³ |
| Melting Point | - | 1425 - 1540 degree | 2600 - 2800℃F |
| Thermal conductivity | 20 degree | 50 W/m·K | 34.5 BTU·in/h·ft²·° F |
| Tshwj xeeb kub muaj peev xwm | 20 degree | 0.49 kJ/kg · K | 0.12 BTU/lb ·℃F |
| Hluav taws xob Resistivity | 20 degree | 0.000017 Ω·m | 0.000010 Ω·in |
| Coefficient ntawm Thermal Expansion | 20-100 degree | 11.5 x 10⁻⁶/K | 6.4 x 10⁻⁶ /℃F |
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Weldability ntawm St14 Steel
| Vuam txheej txheem | Recommended Filler Metal (AWS Classification) | Hom Shielding Gas / Flux | Sau ntawv |
|---|---|---|---|
| MIG | Qauv: ER70S-6 | Argon + CO₂ mix | Zoo rau cov ntu nyias |
| TIG | Qauv: ER70S-2 | Argon | Zoo heev rau cov pob qij txha huv |
| stick | E7018 | - | Yuav tsum tau preheat rau tuab seem |
St14 steel yog qhov zoo tshaj plaws weldable, ua rau nws haum rau ntau yam txheej txheem vuam. Cov ntsiab lus carbon tsawg txo qhov kev pheej hmoo ntawm kev tawg thaum lub sij hawm vuam, thiab preheating tej zaum yuav tsim nyog rau cov seem thicker kom tsis txhob thermal stresses. Tom qab-weld kev kho cua sov tuaj yeem txhim kho cov khoom ntawm qhov sib koom ua ke.
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Cov lus nug nquag nug (FAQ)
1. Dab tsi yog qhov txawv ntawm ST14 txias-rolled steel coils thiab lwm yam txias-rolled qib (ST12, ST13)?
ST14 yog qhov sib sib zog nqus- qib kos duab nrog cov yas siab dua (elongation Ntau dua lossis sib npaug li 36%) piv rau ST12 (qib lag luam, elongation Ntau dua lossis sib npaug li 28%) thiab ST13 (qib duab, elongation Ntau dua lossis sib npaug li 32%). ST14 muaj cov qauv zoo tshaj plaws rau cov ntawv thov kev sib sib zog nqus sib sib zog nqus, thaum ST12 yog qhov tsim nyog rau kev tsim qauv thiab ST13 rau kev xav tau kev kos duab dav dav. ST12 yog sib npaug rau DC01 / SPCC, ST13 txog DC03 / SPCD, thiab ST14 txog DC04 / SPCE.
2. Puas yog ST14 txias- dov steel coil sib npaug rau lwm qib steel thoob ntiaj teb?
Yog lawm. ST14 (DIN 1623) yog tag nrho sib npaug rau DC04 (EN 10130), SPCE (JIS G 3141), thiab 08AL (Suav GB) qib. Cov qib no muaj cov tshuaj lom neeg zoo sib xws, cov khoom siv kho tshuab, thiab kev tsim kho, ua rau lawv hloov pauv tau hauv ntau daim ntawv thov.
3. Dab tsi thickness thiab dav muaj nyob rau ST14 txias-rolled steel coils?
Peb muab ST14 txias- dov steel coils nyob rau hauv thicknesses ntawm 0.3mm mus rau 2.5mm thiab dav ntawm 800mm mus rau 1830mm. Txheem dav yog 1000mm, 1250mm, thiab 1500mm, nrog rau kev cai ntau thiab tsawg muaj raws li qhov kev thov. Thicknesses kuj tuaj yeem ua raws li koj qhov kev xav tau tshwj xeeb, los ntawm 0.3mm txog 2.5mm.
4. Dab tsi nto tiav rau ST14 txias- dov steel coils?
Peb muab ob tus qauv nto zoo: FC (siab- ua tiav zoo) rau cov khoom siv pom thiab txheej txheej, thiab FB (kev ua tiav dav dav) rau kev ua haujlwm tsim qauv. Tsis tas li ntawd, peb muab kev kho mob tshwj xeeb rau saum npoo, nrog rau oiled (kom tiv thaiv xeb), passivated, thiab tiv thaiv - ntiv tes, kom ua tau raws li cov lus qhia tshwj xeeb - ua cov kev cai. Cov roj zaj duab xis siv yog tshem tau nrog alkali tov, kom ntseeg tau tias compatibility nrog painting thiab txheej txheej txheem.
5. Puas yog ST14 txias-khoov steel coils tuaj yeem welded?
kiag li. ST14 cov ntsiab lus qis carbon (max 0.08%) thiab tswj cov tshuaj muaj pes tsawg leeg muab cov weldability zoo heev. Nws yog sib xws nrog txhua txoj kev vuam, suav nrog MIG, TIG, tsis kam vuam, thiab qhov chaw vuam, tsis tas yuav tsum muaj cov electrodes tshwj xeeb thiab ua kom yooj yim rau kev sib dhos ua ke.
6. Lub sijhawm xa khoom zoo li cas rau ST14 txias- dov steel coil xaj?
Rau hauv - qauv ST14 coils, kev xa khoom yog 7-15 hnub thoob ntiaj teb. Kev txiav txim siab lossis loj - ntim xaj (cov thawv ntim puv) feem ntau xav tau 15-30 hnub, nyob ntawm qhov tshwj xeeb tshwj xeeb (thickness, width, deg kho) thiab xaj kom muaj nuj nqis. Peb ua qhov tseem ceeb ntawm kev xa khoom raws sijhawm kom ntseeg tau tias koj lub sijhawm tsim khoom tsis cuam tshuam.
7. Dab tsi yuav tsum tau khaws cia rau ST14 txias- dov steel coils?
ST14 txias- dov steel coils yuav tsum tau muab cia rau hauv qhov chaw qhuav, qhov cua nyob sab hauv tsev kom tsis txhob ya raws -induced oxidation. Peb pom zoo kom khaws cia lawv nrog peb cov txheej txheem ntim khoom (tiv thaiv- ntawv xeb, yas zaj duab xis) kom ruaj ntseg zoo. Oiled coils tau lees tias yuav xeb -dawb rau 6 lub hlis nyob rau hauv ib txwm cia, tsheb thauj mus los, thiab tuav cov xwm txheej. Yog hais tias tsis yog - oiled coils raug thov, tus neeg muag khoom yuav tsis muaj lub luag haujlwm rau xeb lossis khawb vim tsis muaj roj txheej.
8. Kuv puas tuaj yeem tau txais cov qauv dawb ntawm ST14 txias-rolled steel coils rau kev kuaj?
Yog lawm. Peb muab cov qauv dawb (feem ntau yog 300mm × 300mm) rau kev kuaj cov khoom thiab tsim cov kev sim. Cov neeg siv khoom tsuas yog yuav tsum them tus nqi thauj khoom. Peb cov qauv yog cov neeg sawv cev ntawm peb cov khoom lag luam ntau, kom ntseeg tau tias koj tuaj yeem tshawb xyuas qhov zoo, kev tsim, thiab kev ua tau zoo ua ntej muab kev txiav txim ntau. Hu rau peb pawg neeg muag khoom kom thov cov qauv hnub no.
Cim npe nrov: din en 10130 st14 txias- dov steel coils, Tuam Tshoj din en 10130 st14 txias-rolled steel coils manufacturers, lwm tus neeg, Hoobkas
