Q355 Hot Rolled Seamless Steel Pipe

Nkọwa dị mkpirikpi:

Q355 ígwè ọkpọkọ bụ a Chinese ala alloy elu ike structural ígwè ọkpọkọ, nke dochie Q345, ihe njupụta bụ 7.85 g / cm3.Dabere na GB/T 1591-2018, Q355 nwere ọkwa ogo 3: Q355B, Q355C na Q355D.

Q355 ígwè ọkpọkọ bụ obere alloy, elu-ike ígwè na-eji na welded owuwu na-akwado nrụgide na arọ ibu.Q na-ezo aka n'ókè mkpụrụ, ebe ọnụọgụ 355 na-egosi ike mkpụrụ ya.

Njirimara nke Q355 Steel Pipe

Q355 ígwè ọkpọkọ bụ a structural ígwè na a mkpụrụ ike nke 345 MPa na tensile ike nke 450 MPa.Ọ nwere arụmọrụ nhazi dị egwu na ike mkpakọ, nke enwere ike iji mepụta ụgbọ mmiri nrụgide gas dị elu nke nwere ihe na-erughị 500 lita.Q355 nwekwara mkpuchi nchebe nke nchara nchara.

Ojiji nke Q355 Steel Pipe

Q355 ígwè ọkpọkọ nwere magburu onwe n'ibu Njirimara, oké weldability, na nnukwu corrosion iguzogide.Enwere ike iji ya rụọ ọrụ na imepụta tankị nchekwa mmanụ ala, ụgbọ mmiri dị elu, igwe ọkụ, ụgbọ mmiri, ọdụ ọkụ na ọtụtụ akụkụ ndị ọzọ nwere nnukwu ibu.

Ogo: 34mm-610mm.

WT: 3.5mm-50 mm.

Ụdị: Gburugburu.

Ụdị mmepụta: Hot akpọrepu ma ọ bụ Hot emefu .

Ogologo: Single random ogologo / Ugboro abụọ random ogologo ma ọ bụ dị ka ahịa n'ezie arịrịọ max ogologo bụ 12m


Nkọwa ngwaahịa

Mkpado ngwaahịa

Ngwakọta kemịkalụ(%)

Ọkwa ígwè

Ogo ogo

C% (≤)

Si% (≤)

Mn %(≤)

P%(≤)

S% (≤)

C% (≤)

Ni% (≤)

Cu %(≤)

N% (≤)

Q355

Q355B

0.24

0.55

1.6

0,035

0,035

0.3

0.3

0.4

0.012

 

Q355C

0.2

 

 

0.03

0.03

 

 

 

0.012

 

Q355D

0.2

 

 

0.025

0.025

 

 

 

-

Ihe eji arụ ọrụ

Ike Mpụta (≥N/mm2), Ọkpụrụkpụ ma ọ bụ Dia.(d) na mm

Ọkwa ígwè

Ogo Ọkwa

d≤16

16<d ≤40

40 <d ≤63

63 <d ≤ 80

80<d ≤ 100

100<d≤ 150

150 <d≤ 200

200 <d ≤ 250

250 <d ≤ 400

Q355

Q355B

355

345

335

325

315

295

285

275

-

Q355C

-

Q355D

265

 

Ike tensile (N/mm2), Dia.(d) mm

Ọkwa ígwè

Ogo Ọkwa

d≤100

100 <d ≤ 150

150 <d ≤ 250

250 <d ≤ 400

Q355

Q355B

470-630

450-600

450-600

-

Q355C

-

Q355D

450-600

 

Dia.(d) mm;Mgbatị (%)

Ntuziaka ntụle

d≤40

40 <d ≤ 63

63 <d ≤ 100

100 <d ≤ 150

150 <d≤ 200

250 <d ≤ 400

Kehoraizin

20

19

18

18

17

17

kwụ ọtọ

22

21

20

18

17

17

Nnwale mmetụta

Ogo

Okpomọkụ

Longitudinal Impact Energy (J), ≥

Ike ntụgharị mmetụta ntụgharị (J), ≥

Q355B

20 ℃

34

27

Q355C

0 ℃

34

27

Q355D

-20 ℃

34 (maka ọkpụrụkpụ ≥250mm)

27 (maka ọkpụrụkpụ ≥250mm)

Q355 Steel nha ọkwa ọkwa

China

ISO

European Union

Ọkọlọtọ

Ọkwa

Ọkọlọtọ

Ọkwa

Ọkọlọtọ

Ọkwa (nọmba ihe)

GB/T 1591-2018

Q355B

ISO 630-2

S355B

EN 10025-2

S355, S355JR (1.0045)

Q355C

S355C

S355J0 (1.0553)

Q355D

S355D

S355J2 (1.0577)

Na-agbanwe agbanwe

Mgbe emechara, a na-ebufe ngwongwo ndị ahụ site na igwe na-emezigharị rola asaa iji nweta ịgbatị tubes nke ọma.

Eddy ugbu a

Bido ịgbatị, a na-agafe tube ọ bụla site na igwe eddy ugbu a iji chọpụta maka mgbawa elu na ntụpọ ndị ọzọ.Naanị tubes ndị na-agafe eddy current dabara maka ibuga ndị ahịa.

Emecha

A na-etinye mmanụ ọ bụla na-eguzogide corrosion ma ọ bụ na-ekpuchi ya maka nchebe elu na corrosion na-eguzogide dị ka ndị ahịa chọrọ, a na-ekpuchi njedebe tube ọ bụla site na njedebe njedebe plastik iji zere mmebi na njem, a na-etinye akara na nkọwapụta na ngwongwo dị njikere maka izipu. .

Ngwa

A na-etinye ọkpọkọ Q355 Hot Rolled Carbon steel enweghị nkebi na ngwaọrụ nuklia, nnyefe gas, petrochemical, ụlọ ọrụ ụgbọ mmiri na ụlọ ọrụ ji esi mmiri ọkụ, yana njirimara nke nguzogide corrosion dị elu jikọtara ya na akụrụngwa dabara adaba.

- Ngwa nuklia
- nnyefe gas
- ụlọ ọrụ Petrochemical
- Ụlọ ọrụ ụgbọ mmiri na ebe a na-esi mmiri ọkụ


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