Mid ka mid ah kuwa ugu kulul ee loogu talagalay Galvanized Astm A106/Api 5l/Astm A53 Tubooyinka Birta ee Aan Xunaha lahayn iyo Tuubooyinka Saliidda
Waxaa naga go'an inaan bixino adeeg iibsi hal-joojin ah oo fudud, waqti-badbaadin iyo lacag-badbaadin ah oo macaamiisha ah Mid ka mid ah kuwa ugu kulul ee Galvanized Astm A106/ Api 5l/ Astm A53 Dhuumaha Biraha iyo TuubooyinkaQadka Saliida iyo GaaskaAnaga, anaga oo leh xamaasad iyo daacadnimo weyn, waxaan diyaar u nahay inaan ku siino shirkadaha ugu fiican oo aan horay kuugu sii soconno si aan u abuurno mustaqbal firfircoon oo la saadaalin karo.
Waxaa naga go'an inaan bixinno adeeg iibsi hal-joojin ah oo fudud, waqti-badbaadin ah iyo lacag-badbaadin ah ee macaamiishaAstm A106/Api 5l/Astm A53 Tuubooyinka Stee-ga, Dhuumaha Biraha ee Galvanized-ka ah, Qadka Saliida iyo Gaaska, Alaabadayada si weyn ayaa loo aqoonsan yahay oo lagu kalsoon yahay isticmaalayaasha waxayna dabooli karaan isbeddel joogto ah oo dhaqaale iyo baahiyo bulsho. Waxaan soo dhaweyneynaa macaamiisha cusub iyo kuwa hore ee ka kala socda dhammaan qaybaha nolosha si ay nagula soo xiriiraan xiriirka ganacsi ee mustaqbalka iyo guusha wadajirka ah!
Dulmar
Codsiga
Dhuumaha birta ah ee aan fiicnayn ee hawlgalka heerkulka sare ASTM A106, oo ku habboon heerkulka sare
Fasalka ugu weyn
Fasalka birta qaab dhismeedka tayada sare leh: GR.A,GR.B,GR.C
Qayb Kiimiko ah
Halabuurka, | |||
Darajada A | Darajada B | Darajada C | |
Kaarboon, max | 0.25A | 0.3B | 0.35B |
Manganese | 0.27-0.93 | 0.29-1.06 | 0.29-1.06 |
Fosfooraska, max | 0.035 | 0.035 | 0.035 |
Sulfur, max | 0.035 | 0.035 | 0.035 |
Silikoon, min | 0.10 | 0.10 | 0.10 |
Chrome, maxC | 0.40 | 0.40 | 0.40 |
Copper, maxC | 0.40 | 0.40 | 0.40 |
Molybdenum, maxC | 0.15 | 0.15 | 0.15 |
Nickel, maxC | 0.40 | 0.40 | 0.40 |
Vanadium, maxC | 0.08 | 0.08 | 0.08 |
A Dhimista 0.01% ee ka hoosaysa ugu badnaan kaarboonka la cayimay, korodhka 0.06% manganese ee ka sarreeya inta la cayimay waxa la ogolaan doonaa ugu badnaan 1.35%. | |||
B Ilaa si kale u qeexo iibsaduhu, hoos u dhac kasta oo ah 0.01% ee ka hooseeya ugu badnaan kaarboonka la cayimay, korodhka 0.06% manganese ee ka sarreeya inta la cayimay waxa la ogolaan doonaa ugu badnaan 1.65%. | |||
C Shantan walxood oo la isku daray waa in aanay ka badnayn 1%. |
Hantida Makaanikada
Darajada A | Darajada B | Darajada C | ||||||
Xoog xajin, min, psi(MPa) | 48 000 (330) | 60 000 (415) | 70 000 (485) | |||||
Awood soo saar, min, psi(MPa) | 30 000 (205) | 35 000 (240) | 40 000 (275) | |||||
Dheeraad ah | Guddoon | Dheeraad ah | Guddoon | Dheeraad ah | Guddoon | |||
Kordhinta 2 inji (50 mm), min, % Tijaabooyin xariijin transverse ugu yar ee aasaasiga ah, iyo dhammaan cabbirrada yaryar oo lagu tijaabiyay qayb buuxda | 35 | 25 | 30 | 16.5 | 30 | 16.5 | ||
Marka heerka wareega 2-in. (50-mm) muunadada dhererka cabbirka ayaa la isticmaalaa | 28 | 20 | 22 | 12 | 20 | 12 | ||
Imtixaannada xariijimaha dhaadheer | A | A | A | |||||
Tijaabooyinka xariijinta leexsan, laga jarayo 1/32-in kasta. (0.8-mm) hoos u dhaca dhumucda gidaarka ee ka hooseeya 5/16 inch | 1.25 | 1.00 | 1.00 | |||||
A Dhererka ugu yar ee 2 inji (50 mm) waa in lagu go'aamiyaa isla'egta soo socota: | ||||||||
e=625000A 0.2 / U 0.9 | ||||||||
ee cutubyada inch-pound, iyo | ||||||||
e=1940A 0.2 / U 0.9 | ||||||||
ee cutubyada SI, | ||||||||
meesha: e = dhererka ugu yar ee 2 inji (50 mm), %, lagu soo koobay 0.5% ugu dhow, A = aagga isdhaafka ah ee muunada tijaabada xiisadda, in.2 (mm2), ku salaysan dhexroor ka baxsan oo cayiman ama magac ahaan la cayimay dhexroor ka baxsan ama ballac muunada magaca iyo dhumucdiisuna waxay cayiman, oo lagu soo koobay 0.01 in.2 (1 mm2) ee ugu dhow . (Haddii aagga sidaas loo xisaabiyay uu la mid yahay ama ka weyn yahay 0.75 in.2 (500 mm2), markaas waa in la isticmaalaa qiimaha 0.75 in.2 (500 mm2). U = xoogga xajinta oo cayiman, psi (MPa). |
Shuruudaha Imtixaanka
Marka lagu daro hubinta isku dhafka kiimikada iyo sifooyinka farsamada, tijaabooyinka hydrostatic ayaa la sameeyaa mid mid, waxaana la sameeyaa tijaabooyinka fidinta iyo fidinta. . Intaa waxaa dheer, waxaa jira shuruudo gaar ah oo loogu talagalay qaab-dhismeedka yar-yar, cabbirka hadhuudhka, iyo lakabka decarburization ee tuubada birta ee dhammaatay.
Awood-siinta
Awooda Sahayda: 1000 Tan bishii Fasalka ASTM SA-106 Dhuumaha Bir
Baakadaha
Xirmooyinka iyo Sanduuqa Alwaaxda ee Xoogan
gaarsiin
7-14 maalmood haddii kaydka, 30-45 maalmood si loo soo saaro
Lacag bixinta
30% deebaaji, 70% L/C ama nuqul B/L ama 100% L/C marka la eego