Weelka tube-ka weelka weelka weelka ee tuubooyinka gaaska dabiiciga ah
Loogu tala-galaytuubada gaaska dabiiciga ahs, Nabdoonaanta iyo isku halaynta ayaa ah mudnaanta koowaad. Als al-ka Arc wuxuu door muhiim ah ka ciyaaraa hubinta in tuubooyinkan ay u adkeysan karaan xaaladaha adag ee ay wajahayaan inta lagu gudajiro noloshooda. Hawsha alxanka ee Arc waxay ku lug leedahay adeegsiga korantada si loo dhaliyo kuleyl aad u daran oo dhalaalaysa cidhifyada tuubooyinka oo ay isku dhalleeceeyaan.
Caadi ah | Fasalka birta | Ka kooban kiimikada | Guryaha TSensile | Tijaabada wadnaha ee tijaabada ah oo tijaabada miisaanka ee miisaanka | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Cev4) (%) | Rt0.5 MPA | Rm mpa spa tensile xoog | Rt0.5 / rm | (L0 = 5.65 √ s0) codka a | ||||||
dixiri | dixiri | dixiri | dixiri | dixiri | dixiri | dixiri | dixiri | Kale | dixiri | min | dixiri | min | dixiri | dixiri | min | |||
L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Tijaabada Therpy Saamaynta: Saamaynta Wax ka qabashada tamarta ee Pipe-ka iyo Send Weld waa la baari doonaa sida loogu baahan yahay heerka asalka ah. Faahfaahinta, ka eeg heerka asalka ah. Tuur Imtixaanka Miisaanka Ilkaha: Aagga Ikhtiyaariga Ikhtiyaariga ah | |
GB / T9711-2011 (PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1) 2) 3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1) 2) 3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555mbb | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1) 2) 3 | Waan-waan | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Xusuusin: | ||||||||||||||||||
1) 0.015 ≤ attet <0.060; n ≤ 0.012; 2-1; CU ≤ 0.30; CR ≤ 0.30; | ||||||||||||||||||
2) v + nb + ti ≤ 0.015% | ||||||||||||||||||
3) Dhamaan fasalada birta, Mo waxaa laga yaabaa in ≤ 0.35%, qandaraas. | ||||||||||||||||||
4) Cev = c + mn / 6 + (cr + m + m + + + (Cu + NI) / 5 |
Mid ka mid ah qodobbada ugu muhiimsan ee laga fiirsado marka arc alxamida tuubooyinka gaaska dabiiciga ahi waa nooca farsamada alxanka loo isticmaalo. Loogu tala-galayTuubbada Weelka Weelkas, Habka ugu caansan ee loo adeegsado waa tikniyoolajiyadda alxanka ee arc (eed). Tani waxay ku lug leedahay isticmaalka flux granular, oo lagu shubay aagga alxaminta si loo abuuro jawi ilaalin ah oo ka hortagaya oksidation iyo wasaqda kale ee ka soo baxa welwelka. Tani waxay keenaysaa tayo sare leh, oo aan lamid ahayn oo leh cillado yar.

Tixgelin kale oo muhiim ah marka arc alxanka gaaska dabiiciga ah uu yahay xulashada sheyga buuxinta well ee. Qalabka buufiyaha waxaa loo isticmaalaa in lagu buuxiyo wixii farqi ah ama carqalado ah oo ku yaal Weld, oo abuuraya dammaanad xoog leh oo joogto ah. Tuubbooyinka dharka lagu hayo, sheyga buuxinta waa in loo istcimaalaa oo la jaan qaadaya darajada birta gaarka ah ee la isticmaalay iyo xaaladaha deegaanka ee tuugada ay soo ifbaxdo. Tani waxay xaqiijineysaa in Weld ay u adkeysan karto cadaadiska iyo heerkulka ay la kulmaan tuubooyinka gaaska dabiiciga ah.
Marka laga soo tago dhinacyada farsamada ee alxanka Arc, sidoo kale waa muhiim in la tixgeliyo shahaadooyinka iyo khibradda kalkaalisada ay qabaan shaqada. Als allc ee tuubooyinka gaaska dabiiciga ahi waxay u baahan yihiin xirfad sare iyo khibrad sare, iyo sidoo kale fahamka caqabadaha gaarka ah ee caqabadaha gaarka ah iyo shuruudaha shaqada. Waa muhiim in laga shaqeeyo khibrad khibrad leh oo la xaqiijiyay oo si joogto ah u soo saari kara welds tayo sare leh oo buuxiya heerarka adag ee warshadaha.
Gunaanad, in la xiro oo kacsan Tube ee Weebe ee Tube Waxay u baahan tahay tixgelin taxaddar leh oo ku saabsan farsamooyinka welbashada, agabyada buufiyaha, iyo shahaadooyinka ay u leeyihiin kalkaalisada shaqada. Markii la hubiyo in ay helaan dareenka ay u qalmaan, waxaa suuragal ah in la abuuro dhuumaha gaaska dabiiciga ah ee buuxiya shuruudaha warshadaha ee badbaadada, isku halaynta iyo waxqabadka muddada-dheer.