GB / T 3094 Cold Drawn Seamless Tshwj Xeeb Zoo Cov Hlau Tubes
Khoom siv
GB / T 3094 qhia txog qhov yuav tsum tau ua rau txias kos seamless tshwj xeeb zoo li tus steel raj, uas feem ntau yog siv nyob rau hauv ntau yam kev siv engineering. Cov hlab no yog cov yam ntxwv ntawm lawv cov duab tshwj xeeb thiab qhov ntev, ua rau lawv tsim nyog rau cov hom phiaj tshwj xeeb thiab txhua yam.
Specification
Tus qauv qhia txog cov kev qhia tshwj xeeb rau cov txheej txheem tsim khoom, qhov ntev, kev ua siab ntev, thiab kev sim cov txheej txheem rau cov raj hlau no. Cov raj tuaj yeem ua rau ntau yam duab, suav nrog cov duab plaub, oval, thiab lwm yam kev cai profile.
Cov yam ntxwv tseem ceeb
Seamless Kev Tsim Kho: Qhov tsis muaj welds txhim khu lub zog thiab durability ntawm cov hlab.
Txias Drawn txheej txheem: Cov txheej txheem no txhim kho qhov tseeb qhov tseeb thiab qhov chaw tiav.
Cov duab tshwj xeeb: Cov duab kev cai tso cai rau kev siv ntau yam hauv kev lag luam sib txawv.
Siab zog: Cov khoom siv ua kom muaj zog tensile siab thiab ua haujlwm rau deformation.
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm cov hlau siv hauv GB / T 3094 raj yog qhov tseem ceeb rau kev ua kom ntseeg tau tias cov khoom siv kho mob xav tau. Hauv qab no yog cov lus sib xyaw ua ke:
| Lub ntsiab | Kev sib xyaw (%) |
| Cov pa roj carbon (C) | 0.10 - 0.25 |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | Tsawg dua lossis sib npaug rau 0.035 |
| Sulfur (S) | Tsawg dua lossis sib npaug rau 0.025 |
| Silicon (Si) | 0.10 - 0.40 |
| Chromium (Cr) | 0.00 - 0.30 |
| Nickel (Ni) | 0.00 - 0.30 |
Mechanical Properties
Cov cuab yeej cuab tam ntawm cov khaub thuas kos seamless tshwj xeeb zoo li tus steel raj yog qhov tseem ceeb rau lawv cov kev ua tau zoo hauv kev siv. Cov lus hauv qab no qhia txog cov khoom no:
| Khoom | Tus nqi |
|---|---|
| Yield zog (MPa) | Ntau dua lossis sib npaug li 250 |
| Tensile zog (MPa) | Ntau dua lossis sib npaug li 450 |
| Elongation (%) | Ntau dua lossis sib npaug li 20 |
| Hardness (HB) | Tsawg dua los yog sib npaug li 200 |
Lub cev muaj zog
Cov khoom siv lub cev ntawm cov raj steel kuj ua lub luag haujlwm tseem ceeb hauv lawv daim ntawv thov. Cov lus hauv qab no nthuav tawm cov khoom no:
| Khoom | Tus nqi |
| Qhov ceev (g / cm³) | 7.85 |
| Thermal conductivity (W / m · K) | 50.2 |
| Hluav taws xob tiv taus (Ω·m) | 1.68 × 10^-8 |
Txheej Txheem Kev Ua Haujlwm
Cov txheej txheem kev ua tau zoo ntawm cov raj steel yog qhov tseem ceeb rau lawv qhov kev tsim khoom thiab kev siv tau. Hauv qab no yog ib lub rooj hais txog kev ntsuas kev ua haujlwm tseem ceeb:
| Performance Metric | Tus nqi |
| Cold Drawn Reduction (%) | 10 - 30 |
| Khoov Radius (mm) | Ntau tshaj los yog sib npaug rau 2.5 × raj txoj kab uas hla |
| Nto Roughness (Ra) | Tsawg dua los yog sib npaug rau 1.6 |
Qib Steel
Cov qib steel tau teev tseg hauv GB / T 3094 yog tsim los ua kom tau raws li ntau yam khoom siv thiab tshuaj lom neeg. Cov qib uas muaj xws li:
Q195: Tsawg carbon steel nrog zoo weldability thiab formability.
Q235: Cov qauv hlau dav dav nrog lub zog nruab nrab thiab zoo plasticity.
Q345: Lub zog muaj zog tsawg alloy steel, haum rau cov haujlwm hnyav.
Daim ntawv thov
Cold drawn seamless tshwj xeeb zoo li tus steel raj yog dav siv nyob rau hauv ntau yam industries, xws li:
Kev tsim kho: Cov yam ntxwv ntawm cov khoom, cov ncej, thiab kev txhawb nqa.
Automotive: Chassis thiab ncua kev kawm ntawv qhov chaw.
Aerospace: Cheebtsam yuav tsum muaj zog-rau-hnyav piv.
Kev tsim khoom: Machinery thiab khoom siv.
Cov qhab nia xaiv tau
Ntxiv nrog rau cov qib uas tau teev tseg, lwm qib yuav raug txiav txim siab raws li kev thov tshwj xeeb:
S235: European tus qauv sib npaug rau cov qauv siv dav dav.
S355: Siab zog steel rau kev thov.
A500: American Standard rau structural tubing.
Cov kev xaiv no tuaj yeem muab cov cuab yeej zoo sib xws thiab tuaj yeem siv nyob ntawm qhov muaj thiab cov kev xav tau tshwj xeeb.
Cim npe nrov: oval zoo li tus steel raj, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, customized, lag luam wholesale, nqe, OEM, zeb, tsim, kev muag khoom
