Q355B High - zaus ncaj ncaj rau kev xaws welded yeeb nkab
Q355B Submerged Arc Welded Ncaj Nraim Yeeb Khoom Taw Qhia
This is the grade of low-alloy high-strength structural steel specified in the Chinese National Standard (GB/T 1591-2018 "Low Alloy High-Strength Structural Steel"). Nws hloov cov qib qub Q345 thiab yog ib qho ntawm feem ntau siv tau siv qis tshaj plaws {{}} muaj cov hlau loj-zog loj. Q355B qhia tias cov hlau no muaj lub zog los ntawm tsis pub tsawg tshaj 355 MPa thiab lav cov yam ntxwv nruj ntawm chav nyob (20 degree).
Tshuaj lom neeg tshuaj lom neeg ntawm Q355B (cov ntsiab lus tseem ceeb%)
| Ntsiab lus | C | Si | Mn | P | S |
|---|---|---|---|---|---|
| zoo siab | Tsawg dua los yog sib npaug rau 0.24 | Tsawg dua los yog sib npaug rau 0.55 | Tsawg dua los yog sib npaug rau 1.60 | Tsawg dua los yog sib npaug rau 0.035 | Tsawg dua los yog sib npaug rau 0.035 |
Kev tsim khoom ntawm ERW HIGH - zaus tiv thaiv welded steel yeeb nkab
Kev tsim ntawm Q355B siab - zaus tsis kam welded yeeb nkab pib nrog tus hlau chev ntawm ib qho dav. Tom qab uncoiling thiab leveling, nws yog maj muab rau hauv ib lub cylindrical puab los ntawm kev tsim cov chais. Txij ntawm no, ib qho siab {{4 4}} zaus yog siv rau ntawm ntug kev vuam lossis induction rau tam sim ntawd nqa nws mus rau lub xeev me me. Tom qab ntawd tom qab, extrusion co rollers thov kev loj hlob kom ua tiav cov khoom {}}}} nias nias}} Nias weld muaj zog. Tom qab, kev caij nkoj sab hauv thiab sab nraud ib txhij scraped tawm, thiab cov yeeb nkab welded nkag mus thiab yog qhov loj me los ntawm lub tshuab sizing thiab qhov ntev. Thaum kawg, tom qab raug txiav kom ntev los ntawm ya pom, kev kuaj xyuas qhov tseeb thiab} Lub zog {{} Lub zog}
Hais txog peb lub tuam txhab
Raws li cov kws tshaj lij kev lag luam export lag luam tuam txhab, peb muab cov neeg siv khoom muaj ntau yam ntawm high {{zaus} zaus {zaus} cov khoom siv hluav taws xob muaj zog thiab kev tswj hwm hnyav. Peb nkag siab lub luag haujlwm tseem ceeb ntawm cov kav dej welded hauv liaj teb xws li kev tsim kho thiab kev siv machinery manufacturing; Yog li no, tag nrho peb cov khoom tau raws cov qauv thoob ntiaj teb thiab muaj ruaj khov thiab txhim khu kev qha.
Cim npe nrov: Q355B High - zaus ncaj ncaj rau sab nrauv, Suav Q355B siab {preatency shoam welded yeeb nkab tsim, cov chaw muag khoom
Koj Tseem Yuav Zoo Li
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