Seamless Alloy Steel Boiler Pipes Superheater alloy pombi Heat Exchanger Tubes
| Standard:ASTM SA 213 | Alloy kana Kwete: Alloy |
| Giredhi Boka: T5, T9, T11, T22 nezvimwe | Kushandisa: Boiler Pipe / kupisa exchanger pombi |
| Ukobvu: 0.4-12.7 mm | Surface Treatment: Sezvinodiwa nemutengi |
| Kunze Dyamita(Kutenderera): 3.2-127 mm | Tekinoroji: Kupisa kwakatenderedzwa |
| Kureba: Hurefu hwakagadzika kana hurefu husina kurongeka | Kurapa kwekupisa: Normalizing/Tempering/Annealing |
| Chikamu Chimiro: Round | Special Pipe: Gobvu Wall Pipe |
| Nzvimbo Yekwakabva: China | Kushandiswa: Super kupisa, Boiler uye Heat Exchanger |
| Certification: ISO9001:2008 | Muedzo: ECT/UT |
Iyo inonyanya kushandiswa kugadzira yakakwirira-mhando alloy simbi pombi yeyakanyanya kumanikidza boiler pombi, kupisa inopisa pombi uye super kupisa pombi.
Giredhi remhando yepamusoro Alloy simbi: T2, T12, T11, T22, T91, T92 nezvimwe.
| Steel Giredhi | Kemikari Inoumbwa% | ||||||||||
| C | Si | Mn | P, S Max | Cr | Mo | NdiMax | V | Al Max | W | B | |
| T2 | 0.10~0.20 | 0.10~0.30 | 0.30~0.61 | 0.025 | 0.50~0.81 | 0.44~0.65 | - | - | - | - | - |
| T11 | 0.05~0.15 | 0.50 ~ 1.00 | 0.30~0.60 | 0.025 | 1.00 ~ 1.50 | 0.44~0.65 | - | - | - | - | - |
| T12 | 0.05~0.15 | Max 0.5 | 0.30~0.61 | 0.025 | 0.80~1.25 | 0.44~0.65 | - | - | - | - | - |
| T22 | 0.05~0.15 | Max 0.5 | 0.30~0.60 | 0.025 | 1.90~2.60 | 0.87~1.13 | - | - | - | - | - |
| T91 | 0.07~0.14 | 0.20~0.50 | 0.30~0.60 | 0.02 | 8.0~9.5 | 0.85~1.05 | 0.4 | 0.18~0.25 | 0.015 | - | - |
| T92 | 0.07~0.13 | Max 0.5 | 0.30~0.60 | 0.02 | 8.5~9.5 | 0.30~0.60 | 0.4 | 0.15~0.25 | 0.015 | 1.50 ~ 2.00 | 0.001~0.006 |
Kune T91 kunze kwepamusoro inosanganisirawo Nickel 0.4, Va 0.18-0.25, Ni 0.06-0.10, Ni 0.03-0.07, Al 0.02, Ti 0.01, Zr 0.01. A Maximum, kunze kwekunge huwandu kana hushoma hwaratidzwa. Panowanikwa ellipses (...) mutafura ino, hapana chinodiwa, uye kuongororwa kwechinhu hakufanirwe kutsanangurwa kana kutaurwa. B Inotenderwa kuhodha T2 uye T12 ine sulfur content ye 0.045 max. C Nerumwewo, pachinzvimbo chereshiyo yehudiki iyi, zvinhu zvinofanirwa kuve nekuomarara zvishoma kwe275 HV munzvimbo yakaomeswa, inotsanangurwa sekunge mushure mekunyorovesa nekutonhodzwa kune yekamuri tembiricha asi isati yadzika. Kuedza kuoma kunoitwa pakati pekukora kwechigadzirwa. Kuomarara bvunzo frequency ichave maviri masampuli echigadzirwa pane imwe yekupisa yekupisa uye iyo kuomarara mhedzisiro yekuyedza ichataurwa pane yezvinyorwa bvunzo repoti.
| Steel Giredhi | Mechanical Properties | |||
| T. S | Y. P | Elongation | Kuoma | |
| T2 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T11 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T12 | ≥ 415MPa | ≥ 220MPa | ≥ 30% | 163HBW(85HRB) |
| T22 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T91 | ≥ 585MPa | ≥ 415MPa | ≥ 20% | 250HBW(25HRB) |
| T92 | ≥ 620MPa | ≥ 440MPa | ≥ 20% | 250HBW(25HRB) |
Kusiyana kwakabvumirwa muWall thickness
| Wallthikess % | |||||
| kunze dhayamita mu. mm | 0.095 2.4 uye pasi | pamusoro pe0.095 kusvika 0.15 2.4-3.8 incl. | pamusoro 0.15 kusvika 0.18 3.8-4.6 incl | pamusoro 0.18 kusvika 4.6 | |
| pamusoro pasi pamusoro pasi pamusoro pasi pamusoro pasi pamusoro pasi | |||||
| isina musono, inopisa yapera | |||||
| 4inch uye pasi pe40 0 35 0 33 0 28 0 | |||||
| pamusoro pe4 inch ... 35 0 33 0 28 0 | |||||
| isina musono, kutonhora kwapera | |||||
| pamusoro under | |||||
| 11/2 uye pasi | 20 0 | ||||
| pamusoro pe11/2 | 22 0 | ||||
Misiyano inobvumidzwa muhukobvu hwemadziro inoshanda chete kune chubhu, kunze kwemukati-inogumbura machubhu, sekukungurutswa kana kutonhora kwapera.
uye tisati tazungunusa, kuwedzera, kukotama, kukwenenzvera, kana mamwe mabasa ekugadzira
Kusiyanisa Kunobvumidzwa muKunze Diameter
| kunze dhayamita (mm) | Kusiyana kwakabvumidzwa (mm) | |
| inopisa yakapera seamless chubhu | pamusoro | under |
| 4" (100mm) uye pasi | 0.4 | 0.8 |
| 4-71/2"(100-200mm) | 0.4 | 1.2 |
| 71/2-9“(200-225) | 0.4 | 1.6 |
| Welded machubhu uye kutonhora akapedza seamless machubhu | ||
| pasi pe1"(25mm) | 0.1 | 0.11 |
| 1-11/2"(25-40mm) | 0.15 | 0.15 |
| 11/2-2"(40-50mm) | 0.2 | 0.2 |
| 2-21/2"(50-65mm) | 0.25 | 0.25 |
| 21/2-3"(65-75mm) | 0.3 | 0.3 |
| 3-4"(75-100mm) | 0.38 | 0.38 |
| 4-71/2"(100-200mm) | 0.38 | 0.64 |
| 71/2-9“(200-225) | 0.38 | 1.14 |
Hydraustatic Test:
Iyo Pipe Yesimbi Inofanirwa Kuedzwa Hydraulically One by One. Iyo Yakakura Muyedzo Kudzvanya ndeye 20 MPa. Pasi Pekumanikidzwa Kuedzwa, Nguva Yekudzikamisa Inofanira Kuve isingasviki 10 S, Uye Pipe Yesimbi haifanirwe Kudonha. Kana iyo Hydraulic Test Inogona Kutsiviwa neEddy Yazvino Kuedza kana Magnetic Flux Leakage Testing.
Nondestructive Test:
Mapaipi Anoda Kuongororwa Kwakawanda Anofanirwa Kuongororwa Nema Ultrasonically One by One. Mushure mekunge Nhaurirano Inoda Mvumo yeBato uye Yakatsanangurwa Muchibvumirano, kumwe Kuedza Kusina Kuparadza Inogona Kuwedzerwa.
Flattening Test:
Machubhu Ane Dhiyamita Yekunze Yakakura Kupfuura 22 Mm Achaiswa Kumuyedzo Wekutsetseka. Hapana Inooneka Delamination, White Spots, kana Kusachena Kunofanira Kuitika Panguva Yese Yekuyedza.
Kuoma Muedzo:
YePipe Yemagiredhi P91, P92, P122, Uye P911, Brinell, Vickers, Kana Rockwell Hardness Miedzo Ichaitwa Pamuenzaniso kubva kune imwe neimwe Roti.
