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ASTM A519 kaarboon iyo Alloy birta makaanikada ah ee aan xuduud lahayn

Sharaxaad Gaaban:

Heerka fulinta: ASTM A519;
Waxyaabaha: kaarboon ama daawaha;
Hababka wax-soo-saarka: Kulul-ku-dhammaaday bilaa-wad-la'aan ama Qabow-dhamaystir lahayn;

Cabbirka: Dhexroor ka baxsan ≤12 3/4 (325mm);
Darajooyinka guud ee birta kaarboon: MT 1015, MT 1020, 1026,1035;
Darajooyinka guud ee birta daawaha: 4130, 4140, 4150;

Dahaarka: tuubooyinka waxaa laga yaabaa in lagu dahaadho saliid dib u dhiga miridhku oo ku yaal bannaanka iyo gudaha gudaha.

Faahfaahinta Alaabta

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ASTM A519 Hordhac

ASTM A519tubbada waa in lagu soo saaraa hab-socodka aan kala go'a lahayn oo waa inay noqdaan kuwo kuleyl ah ama la dhammeeyey qabow sida lagu cayimay.

Tuubooyinka wareegsan ee leh dhexroorka dibadda oo aan ka badnayn 12 3/4 inji (325 mm).

Tuubooyinka birta sidoo kale waxaa lagu soo saari karaa afar gees, leydi, ama qaabab kale sida loo baahdo.

Nooca Dhuumaha

ASTM A519 waxaa loo kala saari karaa iyadoo loo eegayo walxaha birta:Birta Kaarboonkaiyo Alloy Steel.

Birta kaarboonwaxaa loo qaybiyaaKaarboon hoose MT(Tubooyinka Makaanikada),Birta Kaarboonka SareiyoDesulfurized ama dib-u-phosphorised, ama labadabaBirta Kaarboonka, si loo waafajiyo baahiyaha warshadaha kala duwan iyo xaaladaha codsiga.

Marka aan darajo la cayimin, soosaarayaashu waxay leeyihiin ikhtiyaarka ah inay bixiyaanMT1015 ama MTX1020buundooyinka

Baaxadda cabbirka

Dhexroor ka baxsan: 13.7 - 325 mm;

Dhumucda gidaarka: 2-100mm.

Alaabta ceeriin

Birta waxaa lagu samayn karaa hab kasta.

Waxaa laga yaabaa in birta lagu shubo godad ama waxa laga yaabaa in lagu shubo xadhig.

Habka wax-soo-saarka

Tuubooyinka waa in ay sameeyaan ahab aan kala go 'lahaynwaana inuu ahaadaa mid kuleyl ah ama la dhammeeyay qabow, sida lagu cayimay.

Tuubooyinka birta ah ee aan fiicneyn waa tuubooyinka aan lahayn tolmo alxan oo dhan.

Tuubooyinka qabow-dhammeeyaywaxaa lagu talinayaa baahida sare ee saxnaanta cabbirka iyo tayada dusha sare.

Welwelka ugu weyni waa waxtarka-wax-ku-oolnimada iyo adkaanta alaabta,tuubo bir ah oo kululwaxay noqon kartaa doorasho ku habboon.

Marka xigta waa habka wax soo saarka ee tuubada birta ah ee kulul ee duuban.

geeddi-socod bilaa-xarado-bir-beeg-tubo ah

Halabuurka Kiimikada ee ASTM A519

Soo saaraha birta waa in uu baari doonaa kulaylka birta kasta si loo go'aamiyo boqolkiiba walxaha la cayimay.

Shaxda 1 Shuruudaha Kiimikada ee Biraha Kaarboon-yar

ASTM A519 Shaxda 1 Shuruudaha Kiimikada ee Biraha Kaarboon-yar

Birta fudud waa bir ka kooban kaarboon inta badan aan ka badnayn 0.25%.Maaddaama waxa ku jira kaarboonka hoose, birtani waxa ay leedahay ductility iyo maleability ka fiican waana ka adag tahay kana xoog badan tahay marka la barbar dhigo birta karbon-sare.

Shaxda 2 Shuruudaha Kiimikada ee Biraha kale ee Kaarboon

ASTM A519 Shaxda 2 Shuruudaha Kiimikada ee Biraha kale ee Kaarboon

Biraha kaarboonka dhexdhexaadka ah: Ka kooban inta u dhaxaysa 0.25% iyo 0.60% kaarboon, waxay bixiyaan adayg sare iyo xoog waxayna u baahan yihiin daaweyn kulayl si loo hagaajiyo guryaha.

Bir kaarboon sare leh: Waxa ku jira inta u dhaxaysa 0.60% iyo 1.0% ama ka badan oo kaarboon ah, oo waxay siisaa qallafsanaan aad u sarreeya iyo xoog, laakiin adagaanta hoose.

Shaxda 3 Shuruudaha Kiimikada ee Biraha Alloy

Shaxda 4 Shuruudaha Kiimikada ee la Resulfurized ama Dib-u-Foosforized, ama Labada, Birta Kaarboon

ASTM A519 Shaxda 4 Shuruudaha Kiimikada ee Dib-u-Soosaaraynta ama Dib-u-Foosfayraynta, ama Labada, Birta Kaarboon

Shaxda 5 Dulqaadyada Falanqaynta Alaabta Ka badan ama ka hooseeya Xadka ama Xadka la cayimay

Soo-saaraha waa in la waydiiyaa oo kaliya inuu falanqeeyo badeecada haddii loo baahdo.

ASTM A519 Shaxda 5 Dulqaadyada Falanqaynta Alaabta ee Tubooyinka Birta Kaarboon

Qalabka makaanikada ee ASTM A519

 

ASTM A519 waxay dabooshaa walxaha tijaabada ah ee soo socda:

Imtixaan Adag;Imtixaannada kacsanaanta;Tijaabada aan burburin;Imtixaanka Dabciga;Nadaafadda birta iyo adkaanta.

Magacaabidda Darajada Nooca Dhuumaha Xaalad Xoog wax ku ool ah Xoogga Wax-soo-saarka Kordhinta 2in.[50mm],% Rockwell,
Adag B Miisaanka
ksi Mpa ksi Mpa
1020 Birta Kaarboonka HR 50 345 32 220 25 55
CW 70 485 60 415 5 75
SR 65 450 50 345 10 72
A 48 330 28 195 30 50
N 55 380 34 235 22 60
1025 Birta Kaarboonka HR 55 380 35 240 25 60
CW 75 515 65 450 5 80
SR 70 485 55 380 8 75
A 53 365 30 205 25 57
N 55 380 35 250 22 60
1035 Birta Kaarboonka HR 65 450 40 275 20 72
CW 85 585 75 515 5 88
SR 75 515 65 450 8 80
A 60 415 33 230 25 67
N 65 450 40 275 20 72
1045 Birta Kaarboonka HR 75 515 45 310 15 80
CW 90 620 80 550 5 90
SR 80 550 70 485 8 85
A 65 450 35 240 20 72
N 75 515 48 330 15 80
1050 Birta Kaarboonka HR 80 550 50 345 10 85
SR 82 565 70 485 6 86
A 68 470 38 260 18 74
N 75 540 50 345 12 82
1118 Resulfurized
ama dib loo qaabeeyey,
ama labadaba,
Biraha Kaarboonka
HR 50 345 35 240 25 55
CW 75 515 60 415 5 80
SR 70 485 55 380 8 75
A 80 345 30 205 25 55
N 55 380 35 240 20 60
1137 Resulfurized
ama dib loo qaabeeyey,
ama labadaba,
Biraha Kaarboonka
HR 70 485 40 275 20 75
CW 80 550 65 450 5 85
SR 75 515 60 415 8 80
A 65 450 35 240 22 72
N 70 485 43 295 15 75
4130 Alloy Steels HR 90 620 70 485 20 89
SR 105 725 85 585 10 95
A 75 515 55 380 30 81
N 90 620 60 415 20 89
4140 Alloy Steels HR 120 825 90 620 15 100
SR 120 825 100 690 10 100
A 80 550 60 415 25 85
N 120 825 90 620 20 100

HR-Hot Rolled, CW-qabow Shaqeynayay, SR-Stress la yareeyay, A-Annealed iyo N-caadiyan.

Dulqaadka cabbirka ee ASTM A519

 

Dulqaadka Dhexroorka Dibadda

Shaxda 6 Dulqaadyada Dhexroorka Dibadeedloogu talagalay Tuubooyinka Kulul ee Wareega

ASTM A519 Shaxda 6 Dulqaadyada Dhexroorka Dibadeed ee Tuubooyinka Kulul ee Dhammaystiran

Shaxda 12 Dulqaadyada Dhexroorka Dibadeed eeTubooyin aan Xumaan lahayn oo Dhulka ah

Cabbirka Dhexroorka Ka baxsan,
gudaha [mm]
Dulqaadyada Dhexroorka Dibadeed ee Cabirka iyo Dhererka La Siiyey, gudaha. [mm]
Dhamaaday Hoosta Dhamaaday Hoosta
OD≤1 1/4 [31.8] 0.003 [0.08]
marka L≤16ft[4.9m]
0.000 0.004 [0.10]
marka L >16ft[4.9m]
0.000
1 1/4 [31.8] OD ≤2 [50.8] 0.005 [0.13]
marka L≤16ft[4.9m]
0.000 0.006 [0.15]
marka L >16ft[4.9m]
0.000
2 [50.8] OD ≤3 [76.2] 0.005 [0.13]
marka L≤12ft[3.7m]
0.000 0.006 [0.15]
marka L≤16ft[4.9m]
0.000
3 [76.2] OD ≤4 [101.6] 0.006 [0.15]
marka L≤12ft[3.7m]
0.000 0.006 [0.15]
marka L≤16ft[4.9m]
0.000

Dulqaadka Dhumucda gidaarka

Shaxda 7 Dulqaadyada Dhumucda Darbigaloogu talagalay Tuubooyinka Kulul ee Wareega

ASTM A519 Shaxda 7 Dulqaadyada Dhumucda Darbiga ee Tuubooyinka Kulul ee Wareega

Shaxda 10 Dulqaadyada Dhumucda Darbigaloogu talagalay Tuubooyinka Qabow-wareega ah ee Wareegga ah

Dhumucdiisuna waxay u kala duwan tahay sida
Boqolkiiba dhexroorka ka baxsan
Dulqaadka Dhumucda gidaarka ee ka hooseeya ama ka hooseeya magaca %
OD≤1.499in[38.07mm] OD≥1.500 gudaha [38.10mm]
OD/WT≤25 10.0 7.5
OD/WT:25 12.5 10.0

Dulka iyo Guddaha Dulqaadka Dhexroorka

Shaxda 8 Dibadeed iyo Guddaha Dulqaadyada Dhexroorka eeTuubooyinka Qabow-wareega ah ee Wareegga ah (cutubyo inch)

ASTM A519 Shaxda 8 Dibed iyo Gudaba Dulqaadyada Dhexroorka Dhexroorka Tuubbada Qabow-Wadareed (Cutubyada inch)

Shaxda 9 Dubka iyo Guddaha Dulqaadyada Dhexroorkaloogu talagalay Tuubooyinka Qabow-wareega ah ee Wareegga ah (Utubyada SI)

ASTM A519 Shaxda 9 Dibed iyo Gudaba Dulqaadyada Dhexroorka Dhexroorka Tuubbada Qabow-Shaqeysa ee Wareegga ah (Si Cutubyada)

Dhexroorka ka baxsan iyo Dulqaadka Dhumucda gidaarka

Shaxda 11 Dhexroorka Dibadeed iyo Dulqaadyada Darbigaee loogu talagalay Tubbooyinka Biraha ee Qalafsan

Cabbirka la cayimay ee ka baxsan dhexroorka,
gudaha [mm]
Dhexroor ka baxsan,
gudaha [mm]
Dhumucda gidaarka,
%
6 3/4 [171.4] ±0.005 [0.13] ± 12.5
6 3/4 - 8 [171.4 - 203.2] ±0.010 [0.25] ± 12.5

Dulqaadka dhererka

Shaxda 13 Dulqaadyada Dhererkaloogu talagalay Tuubooyinka Kulul-Dhamayseed ama Qabow-Dhamayseed

ASTM A519 Jadwalka 13 Dulqaadyada Dhererka ee Tuubooyinka Kulul dhammays tiran ama Qabow

Dulqaadka Toosan

Shaxda 14 Dulqaadashada Toosanloogu talagalay Tuubooyinka Makaanikada Wareegga ah ee aan Xumaan lahayn

ASTM A519 Shaxda 14 Dulqaadyada Toosan ee Tuubooyinka Makaanikada Wareegga ah

Dahaarka

Tuubada waa in lagu daboolaa filim saliid ah ka hor inta aan la dhejin si looga hortago miridhku.

Saliida ka hortagga miridhku waxa kale oo laga yaabaa in lagu mariyo gudaha iyo bannaanka ee tuubada.

Codsiyada ASTM A519 Steel Pipe

 

Duulimaadka iyo hawada sare: soo saarista qaybaha muhiimka ah sida matoorada diyaaradaha iyo hababka taageerada hawada sare.

Warshadaha tamartaQalabka qodista iyo soo saarista tuubooyinka kuleyliyaha cadaadiska sare leh.

Mashiinnada iyo qalabka wax soo saarka: Qaybaha asaasiga ah ee ka kooban mashiinada iyo qalabka warshadaha ee kala duwan.

Qalabka ciyaaraha: Soo saarista xargaha baaskiillada ee waxqabadka sarreeya iyo goobaha kale ee ciyaaraha.

Dhismaha iyo dhismahaWaxyaalaha taageerada qaabdhismeed ee dhismayaasha iyo codsiyada jawiga cadaadiska sare leh.

ASTM A519Eu dhigmaMilbaxnimo

TS EN 10297-1: E355, 25CrMo4, 42CrMo4, iwm. Qalabkan waxaa loo arki karaa inay u dhigmaan qaar ka mid ah kaarboonka iyo birta daawaha ee ASTM A519.

2. DIN 1629: St52, St37.4, iwm. Sida caadiga ah loo isticmaalo ujeedooyinka farsamada iyo dhismaha, kuwani waxay la mid yihiin darajooyinka birta fudud ee ASTM A519.

3. JIS G3445: STKM13A, STKM13B, iwm. Kuwani waa tuubooyinka birta kaarboon ee loo isticmaalo ujeedooyinka farsamada iyo dhismaha.

4. BS 6323: CFS 3, CFS 4, CFS 8, iwm. Kuwani waa tuubooyinka birta ah ee aan xidhnayn iyo kuwa alxanka leh ee baabuurta, farsamada iyo injineernimada guud.

5. GB/T 8162: 20#, 45#, 40Cr, 20CrMo, iwm. Tuubooyinka birta ah ee aan kala go'a lahayn iyo tuubooyinka dhismaha guud iyo qaabdhismeedka farsamada.

6. ISO 683-17: 100Cr6, iwm, oo caadi ahaan loo isticmaalo soo saarista wax soo saarka, waxay sidoo kale ka heli kartaa codsiga injineernimada makaanikada waxayna leedahay codsiyo la mid ah biraha daawaha qaarkood ee ASTM A519.

Markaad dooranayso walxo u dhigma, waxaa muhiim ah in la tixraaco qaabka kiimikada ee faahfaahsan iyo sifooyinka hantida farsamada si loo hubiyo in alaabta la doortay ay buuxinayso shuruudaha waxqabadka ee codsiga gaarka ah.

Faa'iidooyinkayaga

 

Tan iyo markii la aasaasay 2014, Botop Steel waxay noqotay shirkad hormuud ka ah tuubooyinka birta kaarboon ee Waqooyiga Shiinaha, oo loo yaqaan adeeg aad u wanaagsan, alaab tayo sare leh, iyo xalal dhammaystiran.Shirkaddu waxay bixisaa noocyo kala duwan oo ah tuubooyinka birta kaarboonka iyo alaabada la xidhiidha, oo ay ku jiraan kuwa aan fiicneyn, ERW, LSAW, iyo tuubada birta ee SSAW, iyo sidoo kale saf buuxa oo ah xirmooyinka tuubooyinka iyo flanges.

Alaabooyinkeeda gaarka ah waxa kale oo ka mid ah alloys-ga sare iyo biraha austenitic ahama, oo loogu talagalay in lagu daboolo baahiyaha mashaariicda dhuumaha ee kala duwan.


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