DIN 17175 St35.8 Seamless Steel Tubes

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Raws li DIN 17175 muaj kev txhawj xeeb, cov hlau uas muaj cov khoom siv zoo ntawm qhov kub thiab txias, txog 600 ° C, txawm tias nyob rau lub sijhawm ntev, hu ua cov hlau kub-lub zog.


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DIN 17175 ST35.8 seamless carbon steel raws li cov hlab, ua nyob rau hauv peb lub Hoobkas muaj kev txaus siab rau lawv lub peev xwm tiv taus siab.Qhov no feature ntawm DIN 17175 ST35.8 Carbon Steel Superheater Tubes, ua rau lawv xav tau cov khoom muaj nqis rau ntau yam kev lag luam thoob plaws ntau qhov tseem ceeb.Qhov tseeb, cov khoom ntawm qib tshwj xeeb ntawm ST35.8 DIN 17175 Boiler Tube yog qhov siab heev hnub no.Qhov no yog vim hais tias ST35.8 Yeeb Nkab yog suav tias yog cov khoom tseem ceeb uas yuav siv tau thaum lub sij hawm installation ntawm boilers thiab nyob rau hauv lub tank tsim.

Sib nrug los ntawm kev ua cov Hlau DIN 17175 ST35.8 Seamless Tube nrog qhov kawg fittings xws li bevel, ua ke nrog rau cov uas tiav lawm, peb tsim cov ST35.8 DIN 17175 Carbon Steel Tubes nyob rau hauv cov ntaub ntawv xws li hydraulic, round, rectangle los yog squared.Ntxiv rau qhov no, peb kuj tseem tsim cov txheej txheem Steel DIN 17175 Boiler Tube raws li qhov xav tau ntawm cov neeg yuav khoom, los ntawm kev muab cov kev cai.Peb daim ntawv teev cov neeg siv khoom rau ST35.8 DIN 17175 Steel Tubes suav nrog kev lag luam xws li cov chaw tsim hluav taws xob, cov ntaub so ntswg thiab ntawv kev lag luam, pharma, petrochemicals, roj thiab roj nrog rau lub zog, aerospace thiab kev lag luam zaub mov thiab dej haus.Ntawm peb lub Hoobkas, peb ua ntau yam kev ntsuam xyuas ntawm cov pa roj carbon steel DIN 17175 ST35.8 raj kom paub tseeb tias peb cov neeg yuav khoom tau txais cov khoom zoo tshaj plaws xa tuaj rau lawv.Sib nrug los ntawm kev tshuaj xyuas tshuaj thiab kev sim tshuab ua haujlwm ntawm DIN 17175 ST35.8 Steel Tubing, peb pab neeg ua haujlwm tau zoo kuj tseem ua cov kev sim no DIN 17175 ST35.8 Steel Tubes xws li Intergranular corrosion test, Cov khoom siv pov thawj zoo, Pitting resistance test, Hardness test. , Macro test thiab Micro test.

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Raws li DIN 17175-5
Raws li DIN 17175-3
Raws li DIN 17175-2

DIN 17175 St35.8 Seamless Steel Tubes Cov ntsiab lus ceev

Kev tsim khoom: Seamless txheej txheem.
Tawm Dimensions: 14mm-711mm.
Phab ntsa Thickness: 2mm-60mm.
Ntev: Tsau (6m, 9m, 12,24m) lossis ib txwm ntev (5-12m).
Xaus: Plain End, Beveled End, Threaded.

Txoj kev tsim khoom
DIN 17175 St35.8 seamless steel kav yuav ua tau los ntawm kub dov, txias dov, kub nias, kub kos duab los yog txias kos duab.
Cov kav hlau hlau tuaj yeem smelted nyob rau hauv ib qho qhib hearth los yog hluav taws xob rauv raws li txoj kev oxygen tshuab, thiab tag nrho cov hlau yuav tsum tau cam khwb cia zoo li qub.

Kev Xa Khoom
Lub 17175 St35.8 Seamless Steel Tubes Yuav xa los ntawm kev kho cua sov kom haum.Kev kho cua sov muaj xws li:
- normalizing
- Kev tso tawm
- Tempering;los ntawm quenching kub, nws tsis txias, tab sis ces tempered
- Kho qhov loj los ntawm isothermal transformation method.

Thaum tshav kub kub kho kub ntawm DIN 17175 St35.8 Seamless Steel Tubes

Kev ua haujlwm kub yog ua tau los ntawm 1100 txog 850 ° C, thiab qhov kub tuaj yeem txo mus rau 750 ° C thaum ua haujlwm.

Qib Steel

Thermal processing ℃

Normalizing ℃

Tempering

Qib

Khoom naj npawb

quenching kub ℃

Tempering kub ℃

qib 35.8

1.030 5

1100 txog 850 ° C

900-930 Nws

-

-

Tshuaj muaj pes tsawg leeg ntawm DIN 17175 St35.8 Seamless Steel Tubes

Txuj

Qib

Tshuaj muaj pes tsawg leeg (%)

C

Si

Mn

P, S

Cr

Mo

TIAB SA 17175

qib 35.8

≤ 0.17

0.10-0.35 dr hab

0.40-0.80 Nws

≤ 0.030

/

/

Mechanical Property ntawm DIN 17175 St35.8 Seamless Steel Tubes

Txuj

Qib

Tensile zog (MPa)

Yield zog (MPa)

Elongation (%)

TIAB SA 17175

qib 35.8

360-480 : kuv

≥235

≥ 25

Technical Delivery Conditions

Cov raj yuav tsum tau muab cov cua sov kho kom haum rau lawv qhov ntev.Kev kho cua sov hauv qab no yuav tsum tau siv, nyob ntawm seb hom hlau:

normalizing.
Subcritical annealing.
Hardening thiab tempering nrog isothermal transformation.
Hardening thiab tempering nrog tas li txias los ntawm hardening kub thiab tom qab tempering.


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