1. Kev txheeb xyuas cov khoom
Khoom npe: SAE / AISI 1020 Carbon Steel - Round / Square / Flat Bars
Womic Steel cov khoom code: (ntxig koj tus lej sab hauv)
Daim ntawv xa tuaj: Kub-dov, normalized, annealed, txias-draw (txias-tiav) raws li teev
Cov ntawv thov: shafts, pins, studs, axles (case-hardened), general-purpose machining parts, bushes, fasteners, agricultural machinery components, low-medium strength structural parts.
2. Txheej txheem cej luam / Daim ntawv thov Summary
SAE 1020 yog qib qis-carbon, wrought steel qib dav siv qhov nruab nrab lub zog, zoo weldability thiab zoo machinability yuav tsum tau. Nws yog feem ntau nkag rau hauv kub-dov los yog txias-tiav tej yam kev mob thiab feem ntau yog siv nyob rau hauv lub xeev muab los yog tom qab kev ua hauj lwm theem nrab (piv txwv li, rooj plaub carburizing, kev kho cua sov, machining). Womic Steel muab 1020 tuav nrog kev tswj xyuas zoo thiab tuaj yeem muab cov kev pabcuam ntxiv xws li machining, straightening, case hardening thiab precision sib tsoo.
3.Cov tshuaj muaj pes tsawg leeg (wt.%)
| Element | Qhov ntau yam / Max (%) |
| Cov pa roj carbon (C) | 0.18–0.23 dr hab |
| Manganese (Mn) | 0.30-0.60 Nws |
| Silicon (Si) | ≤ 0.40 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.050 |
| Copper (Cu) | ≤ 0.20 (yog tias muaj) |
4.Tej yam cuab yeej cuab tam
Cov khoom siv tshuab sib txawv nrog kev tsim khoom (kub-dov, normalized, annealed, txias-draw). Cov kab hauv qab no yog cov txiaj ntsig kev lag luam ib txwm; siv MTC rau kev cog lus muaj txiaj ntsig.
Kub dov / Normalized:
- Tensile zog (UTS): ≈ 350 - 450 MPa
- Tawm lub zog: ≈ 250 - 350 MPa
- Elongation: ≥20 - 30%
Hardness: 120-170 HB
Cold-Drawn:
- Tensile zog (UTS): ≈ 420 - 620 MPa
- Tawm lub zog: ≈ 330 - 450 MPa
- Elongation: ≈ 10 - 20%
- Hardness: siab dua kub dov
5. Lub cev muaj zog
Qhov ceev: ≈ 7.85 g / cm³
Modulus ntawm Elasticity (E): ≈ 210 GPa
Poisson tus piv: ≈ 0.27 - 0.30
Thermal conductivity thiab expansion: ib txwm rau cov hlau tsis muaj carbon tsawg (sib tham engineering rooj rau kev xam tsim)
6.Kev kho cua sov & kev ua haujlwm
Annealing: tshav kub saum toj no transformation ntau, qeeb txias.
Normalizing: refine grain qauv, txhim kho toughness.
Quenching & Tempering: txwv los ntawm-hardening; case hardening pom zoo.
Carburizing: feem ntau rau SAE 1020 rau tawv tawv / tawv core.
Kev Ua Haujlwm Txias: ua kom muaj zog, txo cov ductility.
7. Weldability & Fabrication
Weldability:Zoo. Cov txheej txheem: SMAW, GMAW (MIG), GTAW (TIG), FCAW. Preheat feem ntau tsis tas yuav tsum muaj rau cov tuab tuab; ua raws li cov txheej txheem vuam specifications (WPS) rau cov qauv tseem ceeb.
Brazing / Soldering:siv cov qauv kev coj ua.
Machineability:Zoo - 1020 tshuab yooj yim; txias-draw bars tshuab txawv los ntawm annealed tuav (cov cuab yeej thiab tsis kho).
Txoj kev / dabtsi yog khoov:Zoo ductility nyob rau hauv lub xeev annealed; dabtsi yog khoov vojvoog txwv nyob ntawm thickness thiab mob.
8. Cov qauv qauv, qhov ntau thiab tsawg & kam rau ua
Womic Steel muab cov khoom tuav hauv ntau qhov kev lag luam. Qhov ntau thiab tsawg muaj nyob ntawm kev thov.
Cov ntaub ntawv muab khoom ib txwm:
Round bars: Ø6 mm txog Ø200 mm (inch ranges nyob ntawm seb muaj peev xwm zeb)
Square bars: 6 × 6 mm txog 150 × 150 mm
Pav ca / rectangular tuav: thickness thiab dav rau kev txiav txim
Txiav-rau-ntev, sawn, lossis kub txiav xaus; centerless hauv av thiab tig tiav tuav muaj.
Tolerances & nto tiav:
Kev kam ua raws li cov neeg siv khoom tshwj xeeb lossis cov qauv siv tau (ASTM A29 / A108 lossis sib npaug rau cov ncej txias txias). Womic Steel tuaj yeem muab cov av precision (h9 / h8) lossis tig mus rau qhov yuav tsum tau ua.
9. Kev Tshawb Fawb & Kev Ntsuas
Womic Steel nqa tawm lossis tuaj yeem muab cov ntaub ntawv soj ntsuam thiab kuaj hauv qab no:
Cov kev ntsuam xyuas tus qauv (nrog rau tshwj tsis yog tau teev tseg):
Tshuaj ntsuam xyuas (spectrometric / ntub chemistry) thiab MTC qhia qhov tseeb muaj pes tsawg leeg.
Tensile test (raws li kev pom zoo sampling txoj kev npaj) - qhia qhov tseem ceeb rau UTS, YS, Elongation.
Kev tshuaj xyuas qhov muag thiab kev txheeb xyuas qhov ntev (inch, straightness, length).
Hardness test (cov qauv xaiv).
Yeem:
Ultrasonic Testing (UT) rau sab hauv tsis xws luag (100% los yog sampling).
Sib Nqus Particle Test (MT) rau saum npoo tawg.
Eddy-tam sim no xeem rau nto / ze-nto defects.
Tsis yog-tus qauv sampling zaus thiab kev soj ntsuam thib peb (los ntawm Lloyd's, ABS, DNV, SGS, Bureau Veritas, thiab lwm yam).
Tag nrho MTC thiab daim ntawv pov thawj hom ntawm kev thov (piv txwv li, ISO 10474 / EN 10204 style daim ntawv pov thawj qhov muaj feem xyuam).
10.Kev tiv thaiv nto, ntim & logistics
Kev tiv thaiv nto:lub teeb xeb-tiv thaiv roj txheej (tus qauv), yas kawg lub kaus mom rau rounds (optional), ntxiv rust-inhibitor packing rau ntev hiav txwv voyages.
Ntim:bundled nrog steel straps, ntoo dunnage rau export; ntoo crates rau precision av tuav yog xav tau.
Kev qhia / cim:txhua pob khoom / bar cim nrog cov xov tooj cua sov, qib, qhov loj me, Womic Steel lub npe, thiab PO naj npawb raws li thov.
11.Quality Systems & Certification
Womic Steel ua haujlwm raws li kev tswj hwm cov ntaub ntawv zoo (ISO 9001).
MTC muaj rau txhua qhov cua sov / batch.
Kev soj ntsuam thib peb thiab kev faib tawm-kev pom zoo hauv zej zog tuaj yeem npaj tau ib daim ntawv cog lus.
12.Hom Kev Siv / Daim Ntawv Thov
General engineering: shafts, pins, studs thiab bolts (ua ntej kev kho cua sov los yog nto hardening)
Automotive Cheebtsam rau kev siv tsis tseem ceeb lossis ua cov khoom tseem ceeb rau carburized qhov chaw
Agricultural machinery qhov chaw, couplings, tshuab qhov chaw thiab fixtures
Fabrication xav tau zoo weldability thiab nruab nrab lub zog
13.Womic Steel Advantages & Services
Mill muaj peev xwm rau kub-kuav los tiag thiab txias-tiav tuav nrog nruj seem tswj.
Nyob rau hauv-tsev zoo lab rau tshuaj & mechanical kuaj; MTC muab rau txhua qhov cua sov.
Cov kev pabcuam ntxiv: kev sib tsoo precision, tsis muaj kev sib tsoo, machining, rooj plaub carburizing (ntawm tus khub rauv taws), thiab cov khoom tshwj xeeb rau kev xa tawm.
Kev sib tw ua thawj zaug thiab kev txhawb nqa thoob ntiaj teb.
Peb txaus siab rau peb tus kheejcustomization kev pab cuam, ceev ntau lawm voj voog, thiabthoob ntiaj teb kev xa khoom network, kom ntseeg tau tias koj cov kev xav tau tshwj xeeb tau ntsib nrog qhov tseeb thiab ua tau zoo.
Lub vev xaib: www.womicsteel.com
Email: sales@womicsteel.com
Tel/WhatsApp/WeChat: Victor: +86-15575100681 los yog Jack: +86-18390957568
Post lub sij hawm: Sep-12-2025