Dunida tartanka ee soo iibsiga birta B2B, kala doorashada ASTM A53 Darajada Aiyo Darajada Bmaaha oo keliya farsamo - waa go'aan saameynaya faa'iidada badbaadada ee mashruucaaga iyo wadarta kharashka degitaankaaga. Iyada oo ah soo-saare hormuud ah atTianjinKooxda Yuantai Derun, waxaan aragnay sida kormeer yar oo ku yimaada faahfaahinta ay u horseedi karto khaladaad kharash badan.
Jooji Qiimaynta: Sababta Xisaabinta Waqtiga-dhabta ah ay Muhiim u tahay
Mid ka mid ah "dhibaatayaasha miisaaniyadda" ugu weyn ee ganacsiga caalamiga ah waa qiyaasidda miisaanka oo aan sax ahayn. Saraakiil badan oo wax soo iibsi ayaa ku tiirsan jaantusyada aragtida, laakiin marka aad tixgeliso isbeddelka SCH 40 ilaa SCH 80, cufku wuxuu ku boodi karaa ku dhawaad 50% (tusaale ahaan, tuubo NPS ah oo 6" ah waxay ka bilaabataa ~28.26 kg/m ilaa ~42.56 kg/m).
Tani kuma saabsana birta oo keliya; waxay ku saabsan tahay awooddaada rarista badda iyo wiishka. Si aan u xallino tan, waxaan hoos ku darnay Tilmaame-hage Toos ah & Miisaanka oo la xaqiijiyay. Si ka duwan jadwalada taagan, qalabkani wuxuu calaamadeeyaa khilaafaadka wax soo saarka ee suurtagalka ah - sida marka dhumucda derbiga la codsaday ay aad u daran tahay hababka ERW ee caadiga ah.
Laf-dhabarta Farsamada: Sababta aan ugu talineyno Darajada B
In kasta oo heerka A badanaa loo soo qaato sifooyinkiisa qabow ee heerka sare ah, haddana heerka ASTM A53 Heerka B ayaa weli ah "fardaha shaqada" ee warshadaha. Waa tan sababta:
Dhismayaal Wax-soo-saar Sare leh, oo Ammaan ah:Ha ku khamaarin xadka 205 MPa ee Darajada A. ASTM A53 Darajada B waxay kor u qaadaysaa xoogga wax soo saarka ilaa 240 MPa. 17% xoogga dheeraadka ah ma aha tiro oo keliya - waa farqiga u dhexeeya mashruuc si dhib yar u gudbaya iyo mid loo dhisay kaabayaasha shaqada culus iyo khadadka dareeraha cadaadiska sare leh.
Wax soo saar ku habboon miisaaniyaddaada:Heerka B aad ayuu u fududahay in lala shaqeeyo khadadka wax soo saarka ee kala duwan. Haddii aad raadineyso inaad kharashaadka ku badbaadiso, waa heerka loogu talagalay tuubooyinka ERW. Haddii aad u baahan tahay isku halaynta ugu badan ee deegaannada walaaca sare leh, si fiican ayuu u shaqeeyaa sida T aan kala go 'lahayn.ubesWaxay ku dhacdaa "meesha macaan" ee naadirka ah halkaas oo aadan u baahnayn inaad u hurto dabacsanaan xoog.
Ka baxsan Galvanizing: Tiknoolajiyadda Dahaadhka Sare
Haddii mashruucaagu ku yaalo meel xeeb ah oo milix badan leh ama ay la kulmaan kiimikooyin wax gubaya, galvanizing-ka caadiga ah ee kulul-ku-maridu ma bixin karo ilaalin ku filan. Taasi waa meesha dahaarka Zinc-Magnesium-Aluminum ee Yuantai Derun uu ku bixin karo xal aad loogu kalsoonaan karo. Tiknoolajiyaddan "Is-bogsiinta" waxay bixisaa ilaa 10 jeer iska caabbinta daxalka ee hababka dhaqameed, taasoo si weyn u dhimaysa wareegyada dayactirka muddada-dheer.
Hel Xigasho Lagu Kalsoonaan Karo Ilbiriqsiyo gudahood
Ma u baahan tahay wax ka badan cabbirrada caadiga ah?Ma u baahan tahay xakamaynta xagasha R-ga saxda ah ama SHS/RHS-ga dhererka gaarka ah? Kooxdayada farsamada ayaa diyaar u ah inay ku taageeraan. Yuantai Derun, ma bixinno oo keliya tuubooyin - waxaan bixinnaa xalal qaab-dhismeed oo loo dhisay inay sii jiraan.
| Walax (%) | ASTM A53 Heerka A | ASTM A53 Heerka B |
|---|---|---|
| Kaarboon (C) ugu badan | 0.25% | 0.30% |
| Manganese (Mn) | 0.95% | 1.20% |
| Fosfooraska (P) ugu badan | 0.05% | 0.05% |
| Sulfur (S) ugu badan | 0.045% | 0.045% |
| Hantida Farsamada | Darajada A | Darajada B (Sare) |
|---|---|---|
| Xoogga Wax Soo Saarka (Daqiiqad) | 205 MPa (30,000 psi) | 240 MPa (35,000 psi) |
| Xoogga Tijaabada (Daqiiqad) | 330 MPa (48,000 psi) | 415 MPa (60,000 psi) |
| Codsiga | U-dhigma Ugu Fiican | Sababta loo doortay |
|---|---|---|
| Heerkulka Sare | ASTM A106 Heerka B | Kaliya aan tolnayn; xasillooni kuleyl oo wanaagsan. |
| Godka Dhismaha | ASTM A500 Heerka B/C | Gaar ahaan qaybaha qabow ee SHS/RHS. |
| Daxalka Sare | Tuubbo ZMA dahaarka leh | Beddelka Zinc-Magnesium-Aluminium ee loogu talagalay deegaannada aadka u daran. |
Waqtiga boostada: Maajo-07-2026





