Cov khoom lag luam

Txheem:EF39

Teem nqi: S235gt

Kev ua: Smls / erw

Qhov loj me:{{0 {0}} / 2 nti (48.3mm)

Phab Ntsa Thickness:3.2 / 4mm

Ntev:6m, 6.4m lossis customized los ntawm 4-12 m

Thickness kam rau: ±10%

Nto:Kub dipped galvanized, pre-galvanized, dub, pleev xim

Xaus:Phiaj xwm xaus, bevel xaus, ob qho kawg xov, ib qho nrog caps, lwm qhov nrog couplings, dov lub grooved, spigot sib koom tes

Txoj kev thauj khoom:Thawv lossis lub nkoj loj

Tshuaj lom neeg cov khoom siv & cov kev ua lub cev

Tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv neeg kho tshuab
Qib hlau	Tshuaj Muaj Tshuaj						Cov Khoom Siv Neeg Kho Tshuab
Qib hlau	C Max.	Si	Mn Max.	P Max.	S Max.	Tus niag tim laus min.	Tawm tswv yim zog mpa	Tensile Tuag MPA	Elongation % lub min
S235gt	0.20	a,b	1.40	0.040	0.045	0.020	235	340/520	24
Tsawg dua los yog sib npaug rau {{{{0}}}}}}}}}
B thaum bare hlab yog teev (saib kev xaiv 8) Qhov ntau yuav tsum tau tshaj tawm thaum lub sijhawm nug thiab kev nug.

Tshuab

Kev Ua Haujlwm Siv Technology ntawm EN39 Steel Yeeb Nkab
1. Nto Txheej Txheem Kho Mob
• EP (Electrolytic Polishing): Cov yeeb nkab ntawm cov yeeb nkab steel yog polished los ntawm kev kho qhov hluav taws xob, txhim kho qhov tiav thiab tshem cov txheej oxide thiab impurities.
• BA (ci annealing): annealed nyob rau hauv ib qho kev kub-kub thiab oxygen impourities nyob rau saum npoo ntawm cov nyhuv steel, tab sis tuaj yeem nthuav tawm cov khoom plig saum npoo av.
• AP (xaiv kho cov kua roj xws li nitric acid thiab cov kua qaub flues acid thiab xeb, txhim kho cov khaubncaws sab nraud dej thiab xeb, corrosion tsis kam.
• MP (kev siv tshuab polishing): lub npoo ntawm cov yeeb nkab steel yog polishing los ntawm kev kho kom haum thiab yuav tsum tau kho passivation.

2. Kub Rolling Cov Txheej Txheem Ntau Lawm
• Cov tshuaj zoo heev: Lub discher fforator siv tau los txhim kho cov hlau hlau los ntawm kev noj lub zog loj
• Moulding thiab Vuam Vuam: Los mus txuas ntxiv Rolling Moulding tom qab Picterance, Siv Vuam Vuam, Arc Vuam thiab Lwm Txoj Kev Mus Rau Weld rau hauv Kav Pipe.
• Ntaus thiab ncaj thiab tshem oxide thiab vuam slag, thiab ncaj kom ua kom pom tseeb qhov tseeb.
• Txiav thiab xeb xeb thiab txiav raws li qhov xav tau, lub xeb saum npoo yog muab tshem tawm los ntawm pickling lossis tshuab txhuam.

3. Lwm yam kev siv tshuab
• Ua kom ncaj: txias ncaj thiab kub ncaj, siv xovxwm lossis kev ntaus los ntawm kev ntaus pob hauv qab DN50).
• Lub tes tsho hlau thiab dabtsi yog khoov: Xov Kev twb kev txuas tau xav tau xov hlau (phau ntawv siv hluav taws xob yuav tsum tau khoov Rrourius 1.5 ~ 4d, thiab tswj Weld txoj hauj lwm.

kev pom

Txoj kev kuaj pom ntawm EN39 steel yeeb nkab
1. Cov txawj ntse paub tseeb
• 3D kev teeb tsa lub teeb pom kev: precision 3D kev ntsuas thev naus laus zis, xaiv cov kab tawg ntawm cov yeeb nkab huab ntawm cov yeeb nkab huab ntawm cov yeeb nkab huab ntawm cov yeeb nkab huab
Sib sib zog kawm qauv: Txiav feem cuam tshuam thiab tsim cov ntaub ntawv kuaj xyuas kom txhawb nqa los txhawb cov ntaub ntawv traceazeobility thiab txheej txheem kev ua kom zoo.
• Kev ua lub sijhawm tiag tiag: Lub kaw lus tuaj yeem suav qhov chaw, hom thiab qhov loj me ntawm qhov tsis xws luag thiab txo cov phau ntawv kev cuam tshuam thiab txhim kho kev ua haujlwm.

2. Cov khoom siv tsoos
Tshuaj lom neeg tshuaj ntsuam xyuas: Cov ntaub ntawv pov thawj ntawm cov ntsiab lus ntawm cov pa roj carbon, silicon, manganese thiab lwm cov ntsiab lus raws li tus qauv (piv txwv li EN 10219).
• Kev Ntsuas Mechanical Ntsuam Xyuas: suav nrog cov txiaj ntsig lub zog (ntau dua los yog sib luag rau 235 MPa) thiab elongation (ntau dua lossis sib npaug ntawm 24%).
• Qhov loj me thiab kev tshuaj xyuas sab nto: Xyuas kom meej tias txoj kab uas hla, txheej txheem phab ntsa tuab thiab piv txwv li ntawm 200 txog 600 g / m²) yog nce mus rau tus qauv.
• Tsis yog kev sim ua kom tsis txhob mob siab (NDT): xws li ultrasonic lossis nqus partle particle partle

en 39 scaffolding pipe