Cov Kav Dej Txias, EN10219 S235JRH, S235J0H, S355JRH, S355J0H

Kev Piav Qhia Luv:

Qhov no ntawm Cov Txheej Txheem European no qhia txog cov xwm txheej kev xa khoom rau cov khoom siv vuam txias, cov seem hollow ntawm cov duab voj voog, square lossis rectangular thiab siv rau cov seem hollow tsim txias yam tsis muaj kev kho cua sov tom qab.

Cangzhou Spiral Steel Pipes Group Co., Ltd muab cov kav hlau hollow rau cov qauv.


Cov Khoom Qhia Txog Khoom

Cov Cim Npe Khoom

Khoom Siv Kho Tshuab

qib hlau

lub zog tsawg kawg nkaus
Mpa

Lub zog tensile

Qhov ntev tsawg kawg nkaus
%

Lub zog cuam tshuam tsawg kawg nkaus
J

Qhov tuab uas tau teev tseg
mm

Qhov tuab uas tau teev tseg
mm

Qhov tuab uas tau teev tseg
mm

ntawm qhov kub thiab txias ntawm

<16

> 16≤40

<3

≥3≤40

≤40

-20 ℃

0℃

20 ℃

S235JRH

235

225

360-510

360-510

24

-

-

27

S275J0H

275

265

430-580

410-560

20

-

27

-

S275J2H

27

-

-

S355J0H

365

345

510-680

470-630

20

-

27

-

S355J2H

27

-

-

S355K2H

40

-

-

Cov Tshuaj Lom Zem

Qib hlau

Hom de-oxidation a

% los ntawm pawg, siab tshaj plaws

Lub npe hlau

Tus lej hlau

C

C

Si

Mn

P

S

Nb

S235JRH

1.0039

FF

0,17

1,40

0,040

0,040

0.009

S275J0H

1.0149

FF

0,20

1,50

0,035

0,035

0,009

S275J2H

1.0138

FF

0,20

1,50

0,030

0,030

S355J0H

1.0547

FF

0,22

0,55

1,60

0,035

0,035

0,009

S355J2H

1.0576

FF

0,22

0,55

1,60

0,030

0,030

S355K2H

1.0512

FF

0,22

0,55

1,60

0,030

0,030

a. Txoj kev deoxidation yog raws li nram no:

FF: Cov hlau uas tua tag nrho uas muaj cov khoom sib txuas nrog nitrogen txaus kom sib txuas nrog nitrogen tau (piv txwv li tsawg kawg 0,020% tag nrho Al lossis 0,015% soluble Al).

b. Tus nqi siab tshaj plaws rau nitrogen tsis siv yog tias cov tshuaj lom neeg qhia tias muaj tsawg kawg nkaus Al tag nrho cov ntsiab lus ntawm 0,020% nrog qhov tsawg kawg nkaus Al/N piv ntawm 2:1, lossis yog tias muaj lwm cov ntsiab lus N-binding txaus. Cov ntsiab lus N-binding yuav tsum tau sau tseg rau hauv Daim Ntawv Tshuaj Xyuas.

Kev Ntsuas Hydrostatic

Txhua qhov ntev ntawm cov yeeb nkab yuav tsum tau kuaj los ntawm tus neeg tsim khoom kom muaj lub zog hydrostatic uas yuav tsim cov kev ntxhov siab hauv phab ntsa yeeb nkab tsis pub tsawg dua 60% ntawm qhov tsawg kawg nkaus ntawm qhov kub thiab txias. Lub zog yuav tsum txiav txim siab los ntawm cov qauv hauv qab no:
P=2St/D

Kev Hloov Pauv Uas Tso Cai Hauv Qhov Hnyav thiab Qhov Ntev

Txhua qhov ntev ntawm cov yeeb nkab yuav tsum tau ntsuas sib cais thiab nws qhov hnyav yuav tsum tsis txhob hloov ntau tshaj 10% dhau lossis 5.5% qis dua nws qhov hnyav theoretical, xam siv nws qhov ntev thiab nws qhov hnyav ib chav ntev.
Lub sab nraud txoj kab uas hla yuav tsum tsis txhob hloov ntau dua ± 1% ntawm qhov teev tseg nominal sab nraud txoj kab uas hla
Phab ntsa tuab ntawm txhua qhov chaw yuav tsum tsis pub ntau tshaj 12.5% ​​nyob rau hauv qhov tuab ntawm phab ntsa uas tau teev tseg


  • Yav dhau los:
  • Tom ntej no:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb