Q355 Hot Rolled Seamless Steel Pipe

ʻO ka wehewehe pōkole:

ʻO ka paipu kila Q355 he paipu kila kiʻekiʻe kiʻekiʻe Kina, ka mea i hoʻololi iā Q345, ʻo 7.85 g / cm3 ka nui o nā mea.Wahi a GB / T 1591 -2018, loaʻa iā Q355 nā pae kiʻekiʻe 3: Q355B, Q355C a me Q355D.

ʻO ka paipu kila Q355 he mea haʻahaʻa haʻahaʻa, kila ikaika kiʻekiʻe i hoʻohana ʻia i nā hale welded e kākoʻo ana i ke koʻikoʻi a me nā ukana kaumaha.Hōʻike ka Q i ka helu hua, a ʻo ka helu 355 e hōʻike ana i kona ikaika hua.

ʻO nā hiʻohiʻona o Q355 Pipe kila

ʻO ka paipu kila Q355 he kila kila me ka ikaika o ka 345 MPa a me ka ikaika tensile o 450 MPa.Loaʻa iā ia ka hana hoʻoponopono maikaʻi a me ka ikaika compressive, hiki ke hoʻohana ʻia no ka hana ʻana i nā kīʻaha kiʻekiʻe kiʻekiʻe i loaʻa ma lalo o 500 lita.Loaʻa iā Q355 kahi papa pale o ka pale ʻana i ka ʻōpala.

Nā hoʻohana ʻana i ka paipu kila Q355

Q355 paipu kila i maikaʻi mechanical waiwai, weldability nui, a ample corrosion kū'ē.Hiki ke hoʻohana ʻia no ka hana ʻana a me ka hana ʻana i nā pahu mālama ʻaila, nā moku kiʻekiʻe, nā boilers, nā moku, nā kikowaena mana, a me nā ʻāpana hana kiʻekiʻe.

Nui: 34mm-610mm.

WT: 3.5mm-50 mm.

ʻAno: Poe.

ʻAno hana: ʻōwili wela a i hoʻopau ʻia paha.

Ka lōʻihi: Hoʻokahi wale nō ka lōʻihi / ʻelua manawaleʻa lōʻihi a i ʻole ke noi maoli ʻana o ka mea kūʻai aku max ka lōʻihi he 12m


Huahana Huahana

Huahana Huahana

Huina Kemika(%)

Papa kila

Papa maikaʻi

C % (≤)

Si % (≤)

Mn %(≤)

P %(≤)

S% (≤)

Cr% (≤)

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

 

 

 

Na Waiwai Mechanical

Ka ikaika o ka hua (≥N/mm2), mānoanoa a i ʻole dia.(d) i ka mm

Papa kila

Kūlana Kūlana

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

 

Ikaika U'i (N/mm2), Dia.(d) mm

Papa kila

Kūlana Kūlana

d≤100

100 < d ≤ 150

150 < d ≤ 250

250 < d ≤ 400

Q355

Q355B

470 – 630

450 – 600

450 – 600

Q355C

Q355D

450 – 600

 

ʻO Dia.(d) mm;Elongation (%)

Laʻana kuhikuhi

d≤40

40 < d ≤ 63

63 < d ≤ 100

100 < d ≤ 150

150 < d≤ 200

250 < d ≤ 400

Kaupae

20

19

18

18

17

17

Kū pololei

22

21

20

18

17

17

Ho'āʻo Impact

ʻAno maikaʻi

Mahana

ʻEmi Loaʻa Impact (J), ≥

ʻEhu Puʻupuʻu Kūlohelohe (J), ≥

Q355B

20 ℃

34

27

Q355C

0 ℃

34

27

Q355D

-20 ℃

34 (no ka mānoanoa ≥250mm)

27 (no ka mānoanoa ≥250mm)

Q355 Steel Equivalent Grade

Kina

ISO

Hui ʻEulopa

Kūlana

Papa

Kūlana

Papa

Kūlana

Papa (Helu Material)

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)

Hoʻopololei

Ma hope o ka hoʻopili ʻana, lawe ʻia nā huahana i loko o kahi mīkini hoʻopololei ʻehiku e hoʻokō pono ai i nā paipu.

Eddy kēia manawa

Ma hope o ka hoʻopololei ʻana, hele ʻia kēlā me kēia paipu ma waena o ka mīkini eddy e ʻike ai i nā māwae a me nā hemahema ʻē aʻe.ʻO nā paipu wale nō e hele i ke au eddy kūpono no ka lawe ʻana i nā mea kūʻai.

Hoʻopau

Hoʻopili ʻia kēlā me kēia paipu me ka ʻaila pale corrosion a i ʻole nā ​​​​varnished no ka pale ʻana i ka ʻili a me ka corrosion e like me ka makemake o nā mea kūʻai aku, ua uhi ʻia kēlā me kēia hopena o nā pahu e nā pāpale plastik e pale aku i ka pōʻino i ka hele ʻana, kau ʻia nā māka a me nā kikoʻī a mākaukau nā huahana no ka hoʻouna ʻana. .

Palapala noi

ʻO Q355 Hot Rolled Carbon steel seamless pipes ua hoʻohana nui ʻia i ka mīkini nuklea, ka lawe ʻana i ke kinoea, ka petrochemical, ka hana moku a me nā ʻoihana boiler, me nā hiʻohiʻona o ke kūpaʻa corrosion kiʻekiʻe i hui pū ʻia me nā waiwai mechanical kūpono.

- Mea hana nukelea
- Ka lawe kinoea
- ʻOihana Petrokimia
- ʻOihana hana moku a me ka paila


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