Chidule cha chitoliro chachitsulo cha aloyi
Chitoliro cha Alloy Steel chimagwiritsidwa ntchito m'magwiritsidwe ntchito omwe amafunikira mphamvu zotsutsana ndi dzimbiri komanso kulimba bwino komanso pamtengo wotsika. Mwachidule, mapaipi a alloy amakondedwa m'malo omwe mapaipi achitsulo cha kaboni angalephere. Pali magulu awiri a zitsulo za alloy - zitsulo za alloy zambiri ndi zitsulo za alloy zochepa. Mapaipi omwe amapanga zitsulo za alloy zochepa ali ndi kuchuluka kwa alloying komwe kuli pansi pa 5%. Pomwe kuchuluka kwa alloying kwa chitsulo cha alloy chachikulu kungakhale pakati pa 5% mpaka pafupifupi 50%. Mofanana ndi ma alloy ambiri, mphamvu yogwira ntchito ya Chitoliro Chopanda Msoko cha Alloy Steel ndi yokwera pafupifupi 20% kuposa chitoliro cholumikizidwa. Chifukwa chake m'magwiritsidwe omwe ali ndi kuthamanga kwakukulu kogwira ntchito ngati chofunikira, kugwiritsa ntchito chitoliro chopanda msoko ndikoyenera. Ngakhale kuli kolimba kuposa chitoliro cholumikizidwa, mtengo wake ndi wokwera kwambiri. Kuphatikiza apo, chiopsezo cha dzimbiri pakati pa granular pamalo okhudzidwa ndi kutentha chimakhala chachikulu mu chinthu cholumikizidwa. Kusiyana kooneka pakati pa Chitoliro Cholumikizidwa cha Alloy Steel ndi chinthu chopanda msoko ndi msoko wa latitudinal kutalika kwa chitoliro. Komabe, masiku ano, chifukwa cha kupita patsogolo kwa ukadaulo, msoko womwe ulipo pa Alloy Steel ERW Pipe ukhoza kuchepetsedwa kwambiri pogwiritsa ntchito njira yochizira pamwamba, kotero kuti sungawonekere ndi maso a anthu.
Chitsulo cha Alloy Steel & Pipe Specifikation (Chopanda Msoko/ Chophwanyidwa/ ERW)
| Mafotokozedwe | ASTM A 335 ASME SA 335 |
| Muyezo | ASTM, ASME ndi API |
| Kukula | 1/8" NB mpaka 30" NB mkati |
| Kukula kwa Machubu | 1/2" OD mpaka 5" OD, ma diameter a Customs amapezekanso |
| M'mimba mwake wakunja | 6-2500mm; Kulemera: 1-200mm |
| Ndandanda | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Giredi | Chithunzi cha STM A335 P5, P9, P11, P12, P21, P22 & P91, ASTM A213 - T5, T9, T11, T12, T22, T91, ASTM A691 |
| Utali | Mkati mwa 13500mm |
| Mtundu | Yopanda msoko / Yopangidwa |
| Fomu | Zozungulira, Hydraulic etc |
| Utali | Utali Wosasinthika, Wawiri Wosasinthika & Wodula. |
| TSIRIZA | Mapeto Opanda Chilema, Mapeto Opindika, Opondedwa |
Mitundu ya Machubu Opanda Msoko a Chitsulo cha Alloy
Mapaipi achitsulo olimba a 15cr mo alloy
Chitoliro chachitsulo cha aloyi cha 25crmo4
Chitoliro chachitsulo cha ASTM A 335 Grade P11 chokhala ndi mainchesi 36
Chitoliro chopanda msoko cha chitsulo cha 42CrMo/ SCM440
Chitoliro chachitsulo cha Aloyi 20/21/33
Chitoliro chachitsulo cha aloyi cha 40MM
Chitoliro chachitsulo chosapanga dzimbiri cha ASTM A355 P22
Chitoliro Chopanda Msoko cha ASTM A423 Alloy Steel
Chitoliro chachitsulo chophimbidwa ndi aloyi chotsika
Mapaipi a Alloy Steel ERW Chemical Properties
| Chitsulo cha aloyi | |||||||
| C | Cr | Mn | Mo | P | S | Si | |
| 0.05 – 0.15 | 1.00 – 1.50 | 0.30 – 0.60 | 0.44 – 0.65 | 0.025 pasadakhale | 0.025 pasadakhale | 0.50 – 1.00 |
Makhalidwe a Makina Alloy Steel Chrome moly Mapaipi
| Mphamvu Yokoka, MPa | Mphamvu Yotulutsa, MPa | Kutalika, % |
| Mphindi 415 | Mphindi 205 | Mphindi 30 |
Kunja kwa Chitoliro cha Alloy cha ASME SA335 ndi Kulekerera
| ASTM A450 | Hot rolled | M'mimba mwake wakunja, mm | Kulekerera, mm |
| OD≤101.6 | +0.4/-0.8 | ||
| 101.6<OD≤190.5 | +0.4/-1.2 | ||
| 190.5<OD≤228.6 | +0.4/-1.6 | ||
| Chojambulidwa Chozizira | M'mimba mwake wakunja, mm | Kulekerera, mm | |
| OD 25.4 | ± 0.10 | ||
| 25.4≤OD≤38.1 | ± 0.15 | ||
| 38.1 OD 50.8 | ± 0.20 | ||
| 50.8≤OD<63.5 | ± 0.25 | ||
| 63.5≤OD <76.2 | ± 0.30 | ||
| 76.2≤OD≤101.6 | ± 0.38 | ||
| 101.6<OD≤190.5 | +0.38/-0.64 | ||
| 190.5<OD≤228.6 | +0.38/-1.14 | ||
| ASTM A530 ndi ASTM A335 | NPS | Kunja kwa m'mimba mwake, inchi | Kulekerera, mm |
| 1/8≤OD≤1-1/2 | ± 0.40 | ||
| 1-1/2 <OD≤4 | ± 0.79 | ||
| 4<OD≤8 | +1.59/-0.79 | ||
| 8<OD≤12 | +2.38/-0.79 | ||
| OD>12 | ± 1% |
Kutentha kwa Mapaipi a Alloy Steel Class
| P5, P9, P11, ndi P22 | |||
| Giredi | Mtundu Wothandizira Kutentha | Kusinthasintha kwa Kutentha kwa F [C] | Kuphatikizidwa kwa Subcritical kapena Kuchepetsa Kuchuluka kwa Kutentha F [C] |
| P5 (b,c) | Anneal Yonse kapena Yotentha Kwambiri | ||
| Sinthani ndi Kulimbitsa Mtima | ***** | 1250 [675] | |
| Anneal Yosafunikira (P5c yokha) | ***** | 1325 - 1375 [715 - 745] | |
| P9 | Anneal Yonse kapena Yotentha Kwambiri | ||
| Sinthani ndi Kulimbitsa Mtima | ***** | 1250 [675] | |
| P11 | Anneal Yonse kapena Yotentha Kwambiri | ||
| Sinthani ndi Kulimbitsa Mtima | ***** | 1200 [650] | |
| P22 | Anneal Yonse kapena Yotentha Kwambiri | ||
| Sinthani ndi Kulimbitsa Mtima | ***** | 1250 [675] | |
| P91 | Sinthani ndi Kulimbitsa Mtima | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
| Kuzimitsa ndi Kukwiya | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Machubu Opanda Msoko a Alloy Steel Application Industries
● Makampani Obowola Mafuta Kunja kwa Nyanja
● Kupanga Mphamvu
● Mankhwala a Petrochemical
● Kukonza Gasi
● Mankhwala Apadera
● Mankhwala
● Zipangizo Zamankhwala
● Zipangizo Zamankhwala
● Zipangizo za Madzi a M'nyanja
● Zosinthira kutentha
● Zoziziritsira
● Makampani Opanga Mapepala ndi Mapepala
Chithunzi chatsatanetsatane
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Chitoliro cha Chitsulo cha Aloyi cha 4140 & Chitoliro cha AISI 4140
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Chitoliro cha Chitsulo cha ASTM A335 Alloy 42CRMO
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Mapaipi achitsulo osasemphana a A106 GrB a Mulu
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Chitoliro cha Zitsulo cha A53 Grouting
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Chitoliro cha Chitsulo cha Kaboni cha API5L/ Chitoliro cha ERW
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Chitoliro chachitsulo cha ASTM A53 Giredi A & B ERW Chitoliro
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Chitoliro cha FBE/chitoliro chachitsulo chophimbidwa ndi epoxy
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Chitoliro chachitsulo cholondola kwambiri
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Chitoliro cha Chitsulo Chotentha Choviikidwa ndi Galvanized/GI
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Chitoliro chachitsulo cha SSAW/Chitoliro chozungulira choluka
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Chitoliro chachitsulo chosapanga dzimbiri















