Nchịkọta Injinia
ASTM A252 Grade 3 ọkpọkọ ọkpọkọ bụ ọkpọkọ nchara arụpụtara iji bufee ibu axial na mpụta n'ime ala ma ọ bụ akwa nkume, na-etolite sistemụ ntọala miri emi a pụrụ ịdabere na ya. Okpokoro ndị a na-enye isi ike, ikike na ogologo oge- maka nnukwu ọrụ obodo na nke mmiri gụnyere àkwà mmiri, ọdụ ụgbọ mmiri, mgbidi na-ejigide, na ụlọ ọrụ mmepụta ihe.
Isi uru ha:
- Nnukwu ịnya ụgbọ ala na profaịlụ ala siri ike
- Nnukwu - isi ike nke ngalaba maka ịgbagọ nguzogide
- Nbufe ibu dị oke mma site na mgbakasị akpụkpọ ahụ na ibu njedebe

Ngwakọta kemịkalụ
|
Ihe |
Ọkwa 3 chọrọ (wt%) |
Mkpa Injinia |
|
Carbon (C) |
Ihe na-erughị ma ọ bụ hà nhata 0.26 |
Ike guzoziri ahazi & weldability |
|
Manganese (Mn) |
Ihe na-erughị ma ọ bụ hà nhata 0.95 |
Mmelite ike |
|
Phosphorus (P) |
Ihe na-erughị ma ọ bụ hà nhata 0.050 |
Na-egbochi mgbaji mgbaji |
|
Sulfur (S) |
Ihe na-erughị ma ọ bụ hà nhata 0.060 |
Na-akwalite ịdị mma weld |
Kemistri carbon dị ala na-akwado ezigbo weldability n'oge mgbụsị akwụkwọ.

Ihe eji arụ ọrụ
|
Ngwongwo |
Achọrọ ọkwa 3 |
Uru arụmọrụ ntọala |
|
Ike ọdụdọ |
60–85 ksi (415–585 MPa) |
Nguzogide mmetụta ịkwọ ụgbọala |
|
Mpụta Ike |
Karịrị ma ọ bụ hà nhata 45 ksi (310 MPa) |
Ibu - na-ebu ntụkwasị obi |
|
Ogologo oge |
Karịrị ma ọ bụ hà nhata 20% |
Nguzogide mgbawa mgbe ị na-anya ụgbọ ala |
|
Ọdịdị ductility |
Achọrọ |
Na-aṅụ nrụgide siri ike |
Ọkwa 3 na-enye ọkwa ike kachasị elu n'okpuru ASTM A252 - dị mma maka ikpokọta ibu arọ{2}.
Ụzọ mmepụta na njikwa iguzosi ike n'ezi ihe
ASTM A252 A na-arụpụta ọkpọkọ ọkpọkọ ọkwa 3 site na iji ọtụtụ ụzọ mmepụta dabere na nha nha, ihe nhazi na nkọwapụta ọrụ:
- ERW (Electric Resistance Weld):
Kwesịrị ekwesị maka usoro nchikota ọkọlọtọ nwere ike ịnya mmiri a pụrụ ịdabere na ya na ọnụ ahịa{0}} dị irè maka ọrụ ntọala ala{1}}.
- LSAW (Arc gbanyere n'ime mmiri ogologo):
Na-enye ezigbo nkwụ ọtọ, mgbidi toro ogologo, yana iguzosi ike n'ezi weld dị elu, dị mma maka ihe owuwu dị oke egwu dị ka oghere akwa mmiri ma ọ bụ ntọala jaket dị n'akụkụ osimiri.
- SSAW / spral weld:
Na-enye ohere ikpo nnukwu dayameta nwere ike kachasị ike na ikike mbufe ibu n'ọrụ nrụbe oke mmiri na ọdụ ụgbọ mmiri.
Kwụsị Nhọrọ Mwube
Iji kwekọọ n'ụdị sedimenti na ọnọdụ ịnya ụgbọ ala, enwere ike ibunye ikpo dị ka:
- Mepee ikpo ngwụcha{{0}
Ikwe ka nkwụnye ala ma ọ bụ nrụnye oghere okwute ebe nguzogide esemokwu na-enye aka nke ukwuu n'ikike
- E mechiri-okpo ngwụcha jiri akpụkpọ ụkwụ gbadoro anya
Na-eme ka ntinye banye n'ime ala siri ike, na-eme ka njedebe na-arụ ọrụ- na-ebelata, na ibelata mmebi n'oge ụgbọ ala.
Nhọrọ mmepụta ihe ndị a na-eme ka ikporisị ntụkwasị obi dị n'okpuru nrụgide ịnya ụgbọ ala ma na-enyefe ibu dị mma n'oge ndụ ọrụ nke ikpo.
Akụkụ akụkụ
|
Oke |
Oke Oke |
|
Dayameta dị n'èzí |
8"-72" (219-1828 mm) |
|
Ọkpụrụkpụ mgbidi |
6-50 mm |
|
Ogologo |
Ruo 30 m kwa otu ibe, gbatịpụrụ site na ịgbado ọkụ ubi |
Nhọrọ dayameta buru ibu na-enye ụbara isi ike n'akụkụ maka ọdụ ụgbọ mmiri na mkpọmkpọ mmiri.
Welding, Splicing & Joint Control
Mgbasa ubi site na nkwonkwo ụkwụ{0} weld
Nhazi weld na-emetụta ọrụ nhazi ozugbo
Ihe mkpuchi ime ime nhọrọ maka ịga n'ihu ịnya ụgbọ ala
Nnwale Ultrasonic ma ọ bụ redio dị ka akọwapụtara
Nchekwa elu & Nhọrọ mkpuchi
Dabere na corrosivity saịtị:
- Coal{0}}ta epoxy
- Ngwakọta{{0}epoxy bonded (FBE)
- Zinc/aluminom ịgbasa metallized
- Nchedo Cathodic maka ikpo mmiri juru
Usoro ndị a na-agbatị ndụ ọrụ n'ime mmiri ma ọ bụ ala mmepụta ihe ike.
Nwụnye & Atụmatụ Ubi

Ụzọ ndị a na-ahụkarị:
- Mmetụta ịnya ụgbọ ala
- Hydraulic/vibrary ịnya ụgbọ ala
- Jetting n'ime oke osimiri aja
Uru arụmọrụ:
- Ngwa ngwa nrụnye na ntakiri gwuputa
- Ndakọrịta siri ike yana njuputa ihe & nkwado
- Nkwado kwụsiri ike n'okpuru ibufe ikuku, ebili mmiri ma ọ bụ seismic
Kwesịrị ekwesị maka:
- Oke osimiri na ikpokọta mmiri
- Mgbidi Port na Quay
- Bridge ntọala
- Nnukwu ụlọ ọrụ mmepụta ihe
Nchịkọta
ASTM A252 Grade 3 ọkpọkọ ọkpọkọ na-enye ike ịnya ụgbọ elu dị elu, ịdịte aka nhazi na ogologo oge{2}} n'ịrụ ọrụ ntọala na-achọ gburugburu ebe owuwu obodo na mmiri.
Nchọta zuru oke, nkwadebe ngwụcha, akpụkpọ ụkwụ ikpo, nkwado mkpirisi, akwụkwọ MTC zuru oke, yana nyocha BV/ABS dị - nke Octal Pipe wetara.
FAQ

Q1: Gịnị bụ ASTM A252 Grade 3 pipe ikpo eji?
Q2: Kedu ihe dị iche n'etiti ASTM A252 Grade 2 na Grade 3?
Q3: ASTM A252 ọ chọrọ nnwale hydrostatic?
Q4: Gịnị ndidi emetụta ASTM A252 ọkpọkọ ọkpọkọ?
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