Khoom Parameters
Ncaj Welded Square Tube thiab yeeb nkab
Taw qhia
Ncaj welded square tubes thiab cov kav dej yog cov khoom siv dav siv hauv ntau yam lag luam vim lawv lub zog, ntau yam, thiab yooj yim ntawm fabrication. Cov khoom no feem ntau yog tsim los ntawm cov pa roj carbon steel, stainless hlau, los yog lwm yam alloys, nyob ntawm seb cov kev thov tshwj xeeb.
Cov yam ntxwv tseem ceeb:
Uniform Shape: Cov duab square muab lub zog zoo ib yam thiab ruaj khov.
Welded Tsim: Cov txheej txheem vuam txhim khu kev ntseeg ruaj khov thiab tso cai rau ntev ntev.
Ntau yam: Haum rau ntau yam kev siv, suav nrog kev tsim kho, tsheb, thiab rooj tog tsim khoom.
Corrosion Resistance: Nyob ntawm cov khoom siv, qee cov kav dej square thiab cov kav dej muaj kev tiv thaiv zoo heev rau corrosion.
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm ncaj welded square raj thiab cov kav dej sib txawv raws li cov khoom siv. Hauv qab no yog ib lub rooj nthuav qhia cov tshuaj muaj pes tsawg leeg rau cov qib steel.
| Qib | C (%) | Mn (%) | P (%) | S (%) | Si (%) | Cr (%) | Tsis muaj (%) |
| ASTM A36 | 0.26-0.29 | 0.60-0.90 | Tsawg dua lossis sib npaug li 0.04 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug li 0.40 | - | - |
| ASTM A500 1 | 0.26-0.29 | 0.60-1.20 | Tsawg dua lossis sib npaug li 0.04 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug li 0.40 | - | - |
| ASTM A53 | 0.25-0.30 | 0.40-0.70 | Tsawg dua lossis sib npaug li 0.04 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua lossis sib npaug li 0.10 | - | - |
| ASTM A992 Cov Lus Qhia Tshwj Xeeb | 0.23-0.26 | 0.70-1.00 | Tsawg dua lossis sib npaug li 0.04 | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug li 0.50 | 0.20-0.40 | 0.30-0.50 |
Mechanical Properties
Cov cuab yeej cuab tam ntawm ncaj welded square tubes thiab cov kav dej yog qhov tseem ceeb rau kev txiav txim siab lawv qhov tsim nyog rau ntau yam kev siv. Hauv qab no yog cov lus qhia txog cov khoom siv kho tshuab zoo rau cov qib steel.
| Qib | Yield zog (MPa) | Tensile zog (MPa) | Elongation (%) | Hardness (HB) |
| ASTM A36 | 250 | 400-550 | 20-23 | 119-159 |
| ASTM A500 1 | 240-350 | 310-580 | 20-25 | 120-160 |
| ASTM A53 | 240 | 330-480 | 20-30 | 120-150 |
| ASTM A992 Cov Lus Qhia Tshwj Xeeb | 345 | 450-620 | 20-25 | 150-190 |
Lub cev muaj zog
Lub cev muaj zog ntawm cov kav dej ncaj nraim thiab cov kav dej yog qhov tseem ceeb rau kev nkag siab txog lawv tus cwj pwm nyob rau hauv ntau yam mob. Hauv qab no yog ib lub rooj qhia txog lub cev lub cev.
| Khoom | Tus nqi |
| Qhov ntom | 7850 kg/m³ |
| Melting Point | 1425-1540 degree |
| Thermal conductivity | 50 W/m·K |
| Hluav taws xob Resistivity | 1.68 x 10^-8 Ω·m |
Txheej Txheem Kev Ua Haujlwm
Cov txheej txheem kev ua tau zoo ntawm ncaj welded square tubes thiab cov kav dej yog cuam tshuam los ntawm lawv cov khoom siv thiab kev tsim khoom. Hauv qab no yog cov lus qhia txog cov txheej txheem kev ntsuas kev ua tau zoo.
| Khoom | Tus nqi |
| Weldability | Zoo |
| Formability | Zoo heev |
| Machineability | Nruab nrab |
| Corrosion Resistance | Nws txawv raws qib |
Steel Qib (Kev Taw Qhia Qhia)
Cov qib steel rau ncaj welded square tubes thiab cov kav dej yog cais raws li lawv cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab. Cov qib uas muaj xws li:
ASTM A36: Qib qis carbon steel paub txog nws qhov zoo weldability thiab machinability, dav siv hauv kev tsim kho thiab kev siv cov qauv.
ASTM A500 1: Ib qho kev qhia tshwj xeeb rau txias- tsim welded thiab seamless carbon steel structural tubing, muab lub zog ntau dua thiab cov khoom siv kho tshuab zoo dua.
ASTM A53: Ib qho kev qhia tshwj xeeb rau cov yeeb nkab haum rau vuam thiab dabtsi yog khoov, feem ntau siv rau hauv cov qauv thiab kev siv siab.
ASTM A992 Cov Lus Qhia Tshwj Xeeb: Qib siab -lub zog steel siv feem ntau hauv lub tsev thav duab, paub txog nws cov weldability zoo heev thiab kev ua haujlwm zoo.
Daim ntawv thov
Ncaj welded square raj thiab cov kav dej pom cov ntawv thov hauv ntau qhov kev lag luam, suav nrog:
Kev tsim kho: Siv rau hauv tsev thav duab, kab, thiab kab teeb.
Automotive: Ua hauj lwm hauv chassis thiab structural Cheebtsam.
Rooj tog: Feem ntau siv rau hauv kev tsim cov rooj, rooj zaum, thiab txee.
Kev tsim khoom: Siv nyob rau hauv machinery thiab khoom thav duab.
Cov qhab nia xaiv tau
Raws li cov kev xav tau tshwj xeeb, cov qhab nia hloov pauv yuav raug txiav txim siab:
Stainless hlau qib (xws li, 304, 316): Rau cov ntawv thov uas xav tau kev tiv thaiv corrosion.
Alloy Steel Qib (xws li AISI 4130): Rau siab zog thiab toughness.
Galvanized hlau: Rau kev txhim kho corrosion tiv thaiv hauv kev siv sab nraum zoov.
Khoom Qhia
FAQ:
Q: Koj puas yog tuam txhab lag luam lossis chaw tsim khoom?
A: Ib tus kws tshaj lij steel kav cov ntaub ntawv inventor, chaw tsim tshuaj paus thiab kev daws teeb meem
Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Feem ntau nws yog 3-5 hnub yog tias cov khoom muaj nyob hauv Tshuag. los yog nws yog 10-15 hnub yog tias cov khoom tsis nyob hauv Tshuag, nws yog raws li kom muaj nuj nqis.
Q: Koj puas muab cov qauv? puas yog dawb los yog ntxiv?
A: Yog, peb tuaj yeem muab cov qauv dawb tab sis xav tau them tus nqi thauj khoom.
Q: Koj cov nqe lus them nqi yog dab tsi?
A: Them nyiaj<=2000USD, 100% in advance. Payment>=2000USD, 30% T / T ua ntej, 70% tshuav nyiaj ua ntej xa khoom.
Yog tias koj muaj lus nug ntxiv, pls xav tiv tauj peb
Ms. Lucy Luo
Senior Muag
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