Khoom npe
Me steel puag ncig bar (me me- txoj kab uas hla hlau / round pas nrig)
1. Pib
Me steel hloov bar hais txog cov khoom siv cov khoom sib hloov hlau hlau rods ntawm qhov sib txawv me me. Lawv tau siv dav siv raws li pins, dowels, semi- Cov pa, cov pa roj hmab, thiab ntau yam me me lossis ntau yam me me. Cov txiaj ntsig muaj xws li yooj yim ntawm machining, yooj yim cia, yooj yim cia thiab kev thauj khoom rau ob qho kev sib kho lossis kev hloov chaw.
2. Cov Khoom Siv Khoom & Cov Qib
Cov pa roj carbon / cov hlau loj (siv dav dav):C10, C15, C20 (1010/1020/1025, Q195 / Q235)- kev lag luam, zoo weldability thiab machinability. Machinability.
Nruab Nrab Cov Khaub Ncaws Hnav (Cov Khoom Siv Cua Sov):C45 / {1045 - haum rau quench & temperiping xav tau lub zog siab dua.
Alloy / tuam hlau:4140 / 42Cr, 52100 -} {4 4} {{5} {{tiv taus, lossis cov ntawv siv qaug zog.
Stainless hlau:303 (Dawb {{- tshuab machining), 304,316 -} rau corrosion tsis kam.
Dawb - Txiav Hlau:Ua lossis sulfurized qib -} zoo rau high- ntim tshuab.
Qhia kom meej yog aMill xeem Daim Ntawv Pov Thawj (MTC)lossis mechanical / cuam tshuam cov khoom yuav tsum tau thaum xaj.
3. Ib txwm Diameters & Khoom Siv Khoom Noj
Ntau npaum li cas:Ø3 hli - ø40 mm (ntau qhov ntau thiab, ø8, ø8, ø12, ø30, ø40).
Ntev:Txiav -} rau - loj, lossis qauv bar ntev 1 m / 2 m / 3 m / 6 m.
Khoom Siv:kub -} rolled, txias - Kos duab (kaj), tig los yog av (precision).
Nto tas:Pickled & oxed, black oxide, phosphated, galvanized, lossis stainless nyob rau hauv ntuj tiav.
4. Qhov tsawg kawg nkaus thev taus & ncaj
Kub -} rolled:Dav dav taub kev kam kam (Ã 0.2 hli lossis sab saud nyob ntawm qhov loj me).
Txias - Kosn / Bright:Siv kev ua siab ntev, feem ntau ± 0.02 - ± 0.2 hli.
Cov kab hauv av:Precision Kev Zam ± 0.005 - ± 0.02 hli, siv rau cov kabmob lossis cov npliag.
Ncaj ncees:cold - Kos duab thiab av cov kab muab cov ncaj zoo dua, feem ntau tsawg dua lossis sib luag rau 0.5 hli / m.
Thaum xaj khoom, thov qhia txog chav kawm thiab npaj siab (piv txwv li, "ø10 ø 0.01 rau h7 lub qhov haum").
5. Mass / Nyhav Xam
Cov Qauv:
Chav tsev loj (kg / m) ≈ ≈ ≈ 0.0061654 × (kab ntawm kab) ²
Piv txwv:
Ø10 hli: 0.0061654 ×100 =0.6165 kg / m
Ø25 hli: 0.0061654 ×625 =3.8534 kg / m
Rooj Zaum Rooj
| Ø (hli) | Huab hwm coj (kg / m) |
|---|---|
| 3 | 0.0555 |
| 6 | 0.222 |
| 8 | 0.395 |
| 10 | 0.617 |
| 12 | 0.888 |
| 16 | 1.578 |
| 20 | 2.466 |
| 25 | 3.853 |
| 30 | 5.549 |
| 40 | 9.865 |
Qhov tseem ceeb yog raws li ntom ρ ρ=7850 kg / mp, haum rau kev kwv yees kev txiav txim thiab cov luj taws.
6. Cov Khoom Siv Neeg Kho Tshuab (raug xa mus; paub meej nrog MTC)
Cov tshuaj qis carbon hlau (C15):tensile ~ 350-480 MPa; elongation ~ 15-25%.
C45 (1045, normalized):tensile ~ 600-700 mpa; siab dua thaum quenched & tempered.
4140 (quenched & tempered):Siab zog, kev nruj thiab nkees tsis kam.
Stainless 304/316:tensile ~ 520-700 mpa; corrosion resistant.
Qhia kom meej yog tias cov tseev kom muajpaib lub zog, tensile zog, kev cuam tshuam tawv, lossis hardness.
7. Kev Kho Cua Sov & Cov Kev Xaiv deg
Annealing / normizing:Txhim kho machinability, refine grain.
Queny & Temper:Nce lub zog thiab hardness (pins (pins, Shafts, fasteners).
Xov Deg Plaub:Phosphating, Galvanizing, Nickel plating, Black Oxide, chrome plating.
Deg Hardening:Induction hardening, carburizing, nitrivate rau coj kev tiv thaiv.
8. Ua & Muaj nqis -}} muaj cov kev pabcuam
Precision txiav thiab chamfering.
Tig, xub pwg, kauj ruam, chamfers, qhov tseem ceeb.
Sib tsoo (od / Centerless) thiab xaus rau txhij txhua tus kam.
Drilling, tapping, kawg machining.
Kev kho cua sov nrog kev machin kawg.
Anti - xeb tiv thaiv thiab ntim; Kaus nrog lwm cov fasteners thiab cov khoom siv.
9. Cov ntawv thov raug
Cov Axles Me Me, Cov Pins, Cov Dowels, Shafts, Cov Menyuam Kawm Ntawv, Qhia Rods.
Cov ntawv ceev ceev (bolts, rivets).
Jigs, fixtures, nrhiav cov pins, cov khoom siv tshuab ua liajcert.
Hloov chaw Tshuag rau kev kho ua teb thiab kev txij nkawm.
Tuam thiab pwm cov khoom siv (cov kab uas hla me).
10. Cov Lus Qhia Zoo
MTC:nrog cov tshuaj thiab cov khoom siv kho tshuab.
Tshuaj Ntsuam Xyuas Sab Nrau:Txoj kab uas hla, ntev, kev ua siab ntev, ncaj, nto mob.
Kev Kuaj Neeg Kho:Tensile, Hardness, Charpy Feem (yog tias yuav tsum tau).
NDT:MT, PT lossis ut rau cov ntawv thov tseem ceeb.
Traceability:Tshav kub / batch thiab cov ntawv qhia tshuaj xyuas.
11. Ntim & Thauj
Bundled nyob rau hauv tus qauv ntev, nyab xeeb nrog steel Strapping thiab spacers.
Precision-ground or coated bars wrapped in VCI film or rust-preventive paper.
Txhua pob ntawm qhov loj me, ntev, kom muaj nuj nqis, ntsuas cua sov, PO NUMBERS.
Export ntim thiab lub qhov rooj - -}}}} cov lus txib.
12. Cov ntaub ntawv xaj
Thov muab:
Inch × ntev × kom muaj nuj nqi.
Khoom Siv Khoomthiab txawm tias MTC yuav tsum muaj.
Nto tas(kub {- rolled, txias -, kos, galvanized, thiab lwm yam).
Kev Pab Rau Chav Kawm (e.g., Ø10 ±0.02).
Yuav Tsum Tau Ceev(quenched & tempered, annealed, thiab lwm yam).
Ua Xav Tau(qhov, qhov tseem ceeb, xov, tig xaus).
Lub sijhawm khoom xa tuaj thiab kev thauj mus los.
13. Xaiv Cov Lus Qhia
RauPrecision haum, siv txias - kos lossis cov kab tuav av nrog txhais cov tev.
RauSiab zog / qaug zog tsis kam, xaiv 1045/4140 thiab quench & Tem.
RauCorrosive lossis marine ib puag ncig, Xaiv 304/316 stainless los yog duplex {{{}}} muaj kev tiv thaiv cov pa roj carbon hlau.
Rauloj - nplai machining, Dawb {- Txiav cov hlaus txhim kho lub neej thiab ua haujlwm tau zoo.
Koj puas xav kom kuv npaj anpaj - rau - kev txiav txim loj lub rooj(piv txwv li, ø6-ø30 hli nrog ntev thiab tag nrho cov hnyav), lossis aCov Khoom Siv Khoom Taw QhiaRaws li koj daim ntawv thov tshwj xeeb?
Cim npe nrov: Me Steel Hloov Bar, Tuam Tshoj Me Nyuam Steel Round Bar Manufacturers, lwm tus neeg, Hoobkas
