1. Pseudo-inferior steel kav yog nquag folding.
Folding yog ntau hom folding kab tsim nyob rau saum npoo ntawm cov yeeb nkab steel, uas feem ntau khiav los ntawm txoj kab ntsug ntawm tag nrho cov khoom.Qhov laj thawj rau folding yog tias qhov kev nrhiav kev ua haujlwm siab yog vim muaj ntau qhov kev nrhiav. tus nqi, thiab tus nqi ntawm lub siab yog loj, uas ua rau fulphic. Cov khoom folding yuav muab tais thaum lub tom ntej dov.
2.Cov tsos ntawm pseudo -inferior steel kav feem ntau muaj tshuaj loog.
Lub hemp nto yog qhov tsis txaus uas yog qhov tsis sib xws los ntawm cov khoom siv dov qhov hnav hnyav tshwm sim los ntawm qhov tsis sib xws ntawm cov hlau.Dua rau kev nrhiav cov txiaj ntsig, cov pseudo-steel yeeb nkab manufacturers feem ntau muaj feem ntau dov dov.
3.Qhov saum npoo ntawm cov pseudo-inferior steel yeeb nkab yog nquag nti.
Muaj ob qho laj thawj: (1).Cov khoom siv ntawm cov pseudo -inferior steel yeeb nkab yog qhov tsis sib xws thiab impurities.(2).Pseudo -infested cov ntaub ntawv manufacturers 'cov cuab yeej tiv thaiv yog yooj yim thiab yooj yim rau lo rau hlau. Cov impurities no tuaj yeem tsim cov caws pliav tom qab cov neeg tom.
4.Qhov saum npoo ntawm cov pseudo-inferiority yog nws cov kab nrib pleb. Yog vim li cas yog tias nws cov billet yog adobe, muaj ntau adobe pores, thiab adobe muaj cov kab nrib pleb vim thermal stress thaum lub sij hawm txias. Tom qab dov, tawg yog dov.
5.Lub pseudo -inferior steel yeeb nkab yog ib qho yooj yim mus khawb vim hais tias cov cuab yeej ntawm cov inferior steel yeeb nkab manufacturers yog yooj yim, nws yog ib qho yooj yim los tsim burrs, thiab cov nto ntawm cov hlau yog khawb.Deep scraping txo lub zog ntawm cov hlau.
6.Lub pseudo -inferior steel yeeb nkab tsis muaj xim hlau luster thiab yog lub teeb liab lossis zoo ib yam li hlau. Qhov laj thawj yog ob lub ntsiab lus. Nws cov khoom xyaw yog adobe.2. Qhov kub ntawm dov kub tsis yog tus qauv. Lawv cov hlau kub tau pom los ntawm kev tshuaj xyuas qhov muag. Qhov no tsis tuaj yeem dov raws li thaj chaw Austeenopragons, thiab kev ua haujlwm ntawm cov hlau tsis tuaj yeem ua tau raws li cov qauv.
7.Cov kab rov tav cov leeg ntawm pseudo - cov kav hlau tsis zoo yog nyias thiab qis, thiab lawv feem ntau muaj kev tsis txaus siab. Qhov laj thawj yog vim li cas thiaj li ua tiav qhov tsis zoo sib txawv loj, thawj ob peb feem ntawm cov khoom tiav yog loj, hom hlau yog me me, thiab hom lub qhov tsis txaus siab.
8.Qhov hla ntawm cov pseudo-inferior steel yeeb nkab yog oval. Yog vim li cas thiaj li yuav txuag tau cov ntaub ntawv, cov chaw tsim khoom lub siab ntawm thawj ob txoj kev ntawm cov khoom tiav cov menyuam yog loj. Qhov kev siv ntawm cov xov no txo qis heev, thiab nws tsis ua raws li cov qauv ntawm cov duab ntawm cov xov.
9.Cov khoom xyaw ntawm cov hlau zoo yog cov khoom sib xws, lub tonnage ntawm lub tshuab txias shear yog siab, thiab txiav lub taub hau yog du thiab zoo huv si. Vim yog cov khoom siv tsis zoo, cov khoom siv pseudo-shoddy feem ntau muaj qhov tshwm sim ntawm kev poob cov nqaij, uas yog, qhov tsis sib xws, thiab tsis muaj xim hlau luster.Thiab vim hais tias cov khoom ntawm fake thiab shoddy manufacturers raug txiav, yuav muaj pob ntseg loj uas muaj lub taub hau thiab tails. .
10.Cov pseudo-inferior steel kav muaj ntau cov impurities, qhov ntom ntawm cov hlau me me, thiab qhov loj me yog qhov tsis zoo. Yog li ntawd, tsis muaj kab civliv caliper, nws tuaj yeem siv tau rau nws.Piv txwv li, rau xov 20, qhov siab tshaj plaws tsis zoo sib txawv ntawm lub teb chaws tus qauv yog 5%, thiab nws ib leeg theoretical hnyav yog 120 kg thaum tus kav yog 9m. Nws qhov hnyav tsawg kawg nkaus yuav tsum yog: 120 x (L -5%)=114 kg Qhov tseeb qhov hnyav ntawm cov hauv paus ib leeg yog tsawg dua 114 kg, uas yog pseudo-inferior steel, vim nws muaj qhov sib txawv tsis zoo ntawm ntau tshaj 5%.
11.Lub puab txoj kab uas hla ntawm lub pseudo-inferior steel yeeb nkab fluctuates ntau, vim tsis ruaj tsis khov yin thiab yang nto ntawm L thiab steel kub.2. Cov hlau muaj pes tsawg leeg tsis sib xws.3. Vim yog cov khoom siv yooj yim thiab lub hauv paus tsis tshua muaj zog, lub bouncing ntawm lub tshuab dov yog loj.Yuav muaj kev hloov loj nyob rau hauv tib lub lim tiam, thiab xws li steel tuav yuav tsis yooj yim tawg.
12.Cov cim lag luam thiab cov ntawv luam tawm ntawm cov raj zoo yog cov qauv zoo.
13.Qhov loj threads nrog ib txoj kab uas hla ntawm peb steel kav muaj ib tug deb ntawm ob lub trademarks saum toj no IM.
14.Lub longitudinal tendons ntawm pseudo-inferior steel threads feem ntau wavy.
15.Vim cov pseudo-steel yeeb nkab manufacturers tsis muaj tsav tsheb, lub ntim kuj yog xoob.Lub sab yog oval.
