ASTM A234 Dhuumaha dhaadheer ee alxanka
Soo bandhig:
Dunida tuubooyinka birta, hal erey oo caadi ah ayaa si isdaba joog ah u soo baxa: tuubo welded alxan leh.Tubooyinkani waxay door muhiim ah ka ciyaaraan warshado kala duwan waxayna u adeegaan ujeedooyin kala duwan.
Dhuumaha alxanka dheer, oo sidoo kale loo yaqaanno bir toosan oo alxan leh, waa tuubo bir ah oo ka samaysan saxan bir ah oo kulul ama qabow-duuban ama gariiradda birta ah.Magacoodu wuxuu ka yimid habka alxanka, kaas oo ku dhaca xariiq toosan oo dhererkiisu yahay tuubada.Habkani wuxuu hubinayaa tayada alxanka ee joogtada ah iyo kala goysyada adag, ka hortagga qulqulka iyo kor u qaadista guud ahaan sharafta qaabdhismeedka.
Halabuurka Kiimikada ee ASTM A234 WPB & WPC
| Curiyaha | Nuxurka, % | |
| ASTM A234 WPB | ASTM A234 WPC | |
| Kaarboon [C] | ≤0.30 | ≤0.35 |
| Manganese [Mn] | 0.29-1.06 | 0.29-1.06 |
| Fosfooraska [P] | ≤0.050 | ≤0.050 |
| Sulfur [S] | ≤0.058 | ≤0.058 |
| Silikoon [Si] | ≥0.10 | ≥0.10 |
| Chromium [Cr] | ≤0.40 | ≤0.40 |
| Molybdenum [Mo] | ≤0.15 | ≤0.15 |
| Nickel [Ni] | ≤0.40 | ≤0.40 |
| Copper [Cu] | ≤0.40 | ≤0.40 |
| Vanadium [V] | ≤0.08 | ≤0.08 |
*Kaarboonka u dhigma [CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] waa in aanu ka badnayn 0.50 waxaana lagu soo wargalin doonaa MTC.
Guryaha Makaanikada ee ASTM A234 WPB & WPC
| ASTM A234 | Xoogga Jilbaha, min. | Xoogga Wax-soo-saarka, min. | Kordhinta %, min | |||
| ksi | MPa | ksi | MPa | Dhererran | Guddoon | |
| WPB | 60 | 415 | 35 | 240 | 22 | 14 |
| WPC | 70 | 485 | 40 | 275 | 22 | 14 |
*1.Xirmooyinka tuubooyinka WPB iyo WPC ee laga sameeyay taarikada waa inay lahaadaan dhererka ugu yar ee 17%.
*2.Haddii aan loo baahnayn, qiimaha adkaanta looma baahna in la sheego.
Dhuumaha alxanka dheer:
Dhanka kale,tuubooyinka alxanka tooska ahwaxaa lagu soo saaraa iyadoo la isticmaalayo farsamooyin alxanka kala duwan sida alxanka arc ama alxanka caabbinta.Tuubooyinkan waxaa badanaa laga sameeyaa tuubo bannaan oo aan fiicneyn ama welded, kuwaas oo markaa loo sameeyo qaabka la rabo.Dhuumaha Welded Dhererka ah waxay bixisaa awood gaar ah iyo adkeysi, taasoo ka dhigaysa mid ku habboon codsiyada warshadaha ee ku lug leh xaaladaha cadaadiska sare ama culeyska culus.
Tuubooyinka alxanka dheer ayaa mara habka alxanka saxda ah si loo hubiyo in dhumucdiisuna ay lebbisan tahay tuubada oo dhan oo leh cillado yaryar.Tani waxay ka dhigaysaa door aad u fiican codsiyada qaabdhismeedka sida dhismaha, xoqida iyo tuulan.
Tuubooyinka alxanka ah ee tooska ah, dhinaca kale, waxay ku yimaadaan qaabab iyo cabbirro kala duwan.Nidaamkooda wax-soo-saarkoodu wuxuu u oggolaanayaa in wax laga beddelo, taasoo ka dhigaysa inay ku habboon yihiin codsiyada u baahan cabbirro gaar ah ama naqshado adag.Intaa waxaa dheer, tuubooyinka dhaadheer ee alxanka leh ayaa si weyn loogu isticmaalaa warshadaha sida saliidda iyo gaasta, baabuurta, iyo hawada sare sababtoo ah awooddooda sare iyo caabbinta walbahaarka.
Khibradda shirkadda:
Haddii aad raadinayso dhuumaha LSW ee la isku halayn karo, Cangzhou Spiral Steel Pipe Group Co., Ltd. waa magac lagu kalsoon yahay ee warshadaha.Shirkaddu waxay leedahay 13 khadadka wax soo saarka ee gaarka ah ee tuubooyinka birta, 4 khadadka wax soo saarka ee ka hortagga daxalka iyo ilaalinta kulaylka, waxayna leedahay tignoolajiyada xirfadeed iyo qalabka looga baahan yahay soo saarista tuubooyinka birta oo tayo sare leh.
Gabagabadii:
Marka la soo koobo, tubbada alxanka tooska ah ayaa bixisa faa'iidooyin gaar ah iyadoo ku xiran shuruudaha gaarka ah ee mashruucaaga ama codsigaaga.Dhuumaha alxanka dheer waxay u taagan tahay tayada alxanka ee joogtada ah iyo degenaanshiyaha qaabdhismeedka, halka tuubada alxanka dheer ay bixiso qaab ahaan iyo cabbir ahaanba.Fahamka kala duwanaanshahan, waxaad samayn kartaa go'aan xog ogaal ah markaad dooranayso tuubooyinka sida ugu fiican ugu habboon baahiyahaaga.Tayada iyo isku halaynta, aamina Cangzhou Spiral Steel Pipe Group Co., Ltd., shirkad u heellan heer sare wax soo saarka birta birta.







