ASTM A333 Grade 6bututun ƙarfe mara nauyi da welded wanda aka ƙera don jure yanayin zafi kamar ƙasa-45°C, tare da mafi ƙarancinƘarfin ƙarfi na 415 MPakuma mafi ƙanƙantaƘarfin ƙarfin 240 MPa.
Maɓallan kewayawa
Iyakar
Taƙaitaccen: ASTM A333 GR.6;
Nau'in bututun ƙarfe: carbon karfe;
Nau'in Bututun Karfe: Bututun Karfe mara ƙarfi da Weld;
Zazzabi mai dacewa: Yawanci ana amfani dashi a wuraren aiki inda zafin ƙira ya kasance mafi ƙarancin -45°C, ko -50°F;
Matsayin Magana
Sai dai in ba haka ba an ƙayyade a cikin ASTM A333, misali, maganin zafi, abun da ke tattare da sinadaran, kaddarorin inji.
Sauran buƙatun suna komawa zuwa buƙatun da suka dace a cikin ASTM A999.Wannan shine inda kewayon girma da bayanan haƙurin girma suka fito.
Maganin zafi
Welded kuma mara sumul Tubing
An yi zafi zuwa ƙasa da 1500°F [815°C] kuma ana sanyaya a cikin iska ko cikin ɗakin sanyaya na tanderun da ke sarrafa yanayi.
Bututu Karfe mara sumul
ana iya yin zafi zuwa ƙasa da 1500°F [815°C] sannan a kashe shi cikin ruwa.
Haɗin Sinadari
| Daraja | C | Mn | P | S | Si | Ni | Cr | Cu | Al | V | Nb | Mo |
| max | - | max | max | - | - | - | - | - | max | max | max | |
| Darasi na 6 | 0.30 | 0.29-1.06 | 0.025 | 0.025 | min 0.10 | max 0.40 | max 0.30 | max 0.40 | - | 0.08 | 0.02 | 0.12 |
Ga kowane raguwar 0.01% carbon ƙasa da 0.30%, haɓakar 0.05 % manga se sama da 1.06 % za a ba da izini zuwa matsakaicin 1.35% manganese.
Ta hanyar yarjejeniya tsakanin masana'anta da mai siye, ana iya ƙara iyakar niobium zuwa 0.05 % akan nazarin zafi da 0.06 % akan nazarin samfur.
Kayayyakin Injini
| Ƙarfin ɗaure, min | Ƙarfin ƙima,min | ||
| psi | MPa | psi | MPa |
| 60,000 | 415 | 35,000 | 240 |
Sauran Ayyukan Gwaji
Gwajin tensile
Gwajin tasiri
Matsi na Hydrostatic ko gwajin lantarki mara lalacewa
ASTM A333 GR.6 Girman Siffar da Bacewa
Ana iya samun cikakkun buƙatun abun ciki a:Menene ma'aunin ASTM A333?
ASTM A333 GR.6 Madadin Kayayyakin
EN 10216-4
Saukewa: P265NL
Halaye: Ƙarfe mai ƙarancin zafin jiki don ƙananan yanayin zafi tare da tauri mai kyau.
ASTM A350
Darasi: LF2 Darasi na 1
Halaye: Ƙirƙirar sassa don ƙananan yanayin zafi, dace da tsarin bututu.
GB/T 18984-2003
Matsayi: 09Mn2V, 06Ni3MoDG
Fasaloli: Bututun ƙarfe marasa ƙarfi don -45 ° C zuwa -195 ° C ƙananan yanayin zafi, ana amfani da kayan aikin petrochemical da tasoshin matsa lamba mai ƙarancin zafi.
EN 10028-4
Darasi: 11MnNi5-3, 13MnNi6-3
Halaye: Ƙarfe mai laushi mai ƙarancin zafi don kayan aiki na matsa lamba, dace da ƙananan yanayin zafi.
ASTM A671
Darasi: CA55, CB60, CB65, CB70, da dai sauransu.
Halaye: Arc-welded karfe bututu don ƙananan zafin aikace-aikace.
ASTM A334
Darasi: Darasi na 1, Darasi na 6
Fasaloli: Daidaitaccen bututun ƙarfe mara sumul da welded don sabis na ƙarancin zafin jiki.
CSA Z245.1
Darajoji: 290, 359, 414, 448, 483, da dai sauransu.
Halaye: Tubes don masana'antar man fetur da iskar gas, wasu matakan ƙarfin ƙarfi sun dace da ƙananan yanayin zafi.
Farashin AS1548
Saukewa: PT490N/NR
Halaye: Wannan ƙaƙƙarfan tsari ne mai kyau don tasoshin matsa lamba, wanda za'a iya amfani dashi a cikin ƙananan yanayin zafi ta hanyar zaɓin da ya dace da magani, ko da yake an tsara shi don al'ada da tasoshin matsa lamba mai zafi.
Kafin amfani da waɗannan madadin kayan, ana ba da shawarar cewa a kimanta tsarinsu na sinadarai, kaddarorin injina, da sakamakon aikace-aikacen da ake amfani da su don tabbatar da sun cika ƙaƙƙarfan buƙatun takamaiman aikace-aikacen.
ASTM A333 GR.6 Aikace-aikace
Iskar Gas da LNG: Bututun da ake amfani da su don jigilar iskar gas da sifofin sa masu ruwa.
Tsire-tsire na Petrochemical: don jigilar ruwa na cryogenic a cikin tsaftacewa da tafiyar da sinadarai.
Tankunan ajiya na Cryogenic: Gina tankunan ajiya na cryogenic don iskar oxygen ruwa, nitrogen mai ruwa, da sauransu, da tsarin bayarwa masu alaƙa.
Wuraren firiji: Tsarin firiji don sarrafa abinci da adanawa.
Tsarin Ruwa na sanyaya: Ana amfani da shi don tsarin sanyaya a cikin injin nukiliya da wuraren makamashi.
Platforms Offshore: Kayan aikin Cryogenic da bututun da suka dace don binciken teku da wuraren hakar ma'adinai.
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Lokacin aikawa: Afrilu-12-2024